Dr. Ranjit S. Grewal, MD Family Medicine
Dr. Ranjit Singh Grewal, MD, is a board-certified family medicine physician providing primary and preventive healthcare in Houston, Texas. His clinical work includes routine physical examinations, preventive screening, acute illness care, diabetes management, high blood pressure treatment, asthma care, allergy-related conditions, weight management, and other common medical concerns. His current Houston Family MD practice describes his approach as combining traditional family medicine with individualized and integrative healthcare.
Dr. Grewal is a Houston native who returned to Texas after completing family medicine residency training at East Tennessee State University. Before returning to the Houston area, he provided healthcare to veterans and military personnel in San Antonio. He currently leads Houston Family MD and remains board certified through the American Board of Family Medicine.
Patients looking for other primary care doctors can also browse the Doctiplus Family Medicine Specialist category, which includes physicians providing preventive, acute, and continuing family healthcare.
Family Medicine And Primary Care
Family medicine provides broad healthcare for patients rather than concentrating on a single organ or disease. A family physician may help with routine checkups, health screening, chronic disease management, minor acute illnesses, medication review, and coordination with specialists.
Dr. Grewal’s current practice emphasizes comprehensive primary care for individuals and families in the Houston area. Houston Family MD specifically lists preventive care, chronic disease management, and acute illness treatment among its core services.
This broad approach can be especially useful for people managing several health concerns at once. A patient with diabetes, high blood pressure, asthma, and elevated cholesterol may benefit from having one primary care physician who can review how those conditions and their treatments interact.
Doximity lists Family Medicine as Dr. Grewal’s principal specialty and also notes geriatric medicine, hospital medicine, and preventive medicine among his professional practice areas. His formal ABMS-listed board certification is in Family Medicine.
Preventive Healthcare
Preventive medicine is an important part of Dr. Grewal’s family medicine practice.
Houston Family MD lists annual physical examinations, vaccinations, and health screenings among its preventive services. The practice describes these visits as opportunities to identify potential health concerns early rather than waiting until symptoms become more serious.
Preventive visits may involve reviewing blood pressure, cholesterol, blood sugar, family medical history, vaccination status, lifestyle factors, and age-appropriate screening.
MedlinePlus explains that preventive healthcare can include screening for conditions such as high blood pressure, diabetes, and cancer, assessing future disease risks, updating vaccinations, and encouraging healthy habits.
The exact screening plan should be individualized. Age, previous test results, family history, existing diagnoses, medications, and personal risk factors can all affect which tests are appropriate and how often they should be repeated.
Annual Physical Examinations
An annual physical provides a structured opportunity to review overall health even when a patient does not have a specific complaint.
During a routine examination, a family physician may review medications, allergies, previous diagnoses, family history, vital signs, recent laboratory results, and changes in general health.
Houston Family MD specifically includes annual physical examinations within its preventive healthcare services.
Routine visits can also reveal trends that may be difficult to recognize from a single measurement. Blood pressure, blood sugar, weight, kidney function, and cholesterol may become more useful when considered over time.
Patients can make these appointments more productive by bringing recent laboratory results, vaccination records, medication lists, and information from specialists.
Diabetes Care
Diabetes management is one of the main chronic disease services offered in Dr. Grewal’s practice.
Houston Family MD states that Dr. Grewal evaluates patients who may be at risk for diabetes as well as those who already have a diagnosis. His practice describes using medical history, symptom review, physical examination, and blood testing as part of diabetes assessment.
Diabetes is a chronic condition involving abnormal blood glucose regulation. The CDC explains that when the body does not produce enough insulin or cannot use insulin effectively, excess glucose remains in the bloodstream and can eventually contribute to complications affecting the heart, kidneys, eyes, and other organs.
Management may include nutrition changes, physical activity, home glucose monitoring, oral medication, injectable medication, or insulin depending on the type and severity of diabetes. Houston Family MD describes individualized treatment rather than one identical plan for every patient.
The CDC likewise emphasizes keeping blood glucose within an individualized target range as much as possible to help prevent or delay complications.
Prediabetes And Early Risk Assessment
Primary care can also help identify people whose blood sugar is elevated before type 2 diabetes is fully established.
Patients may have abnormal blood glucose without obvious symptoms, which is one reason preventive testing can be useful for people with relevant risk factors.
The CDC notes that type 2 diabetes can develop gradually and that some people have few or no noticeable symptoms early in the disease.
Dr. Grewal’s practice provides diabetes screening and counseling as part of its chronic disease and preventive care services.
When prediabetes or increased risk is identified, the goal is generally to address modifiable risk factors while continuing appropriate medical monitoring.
High Blood Pressure Management
Hypertension is another major condition treated through Houston Family MD.
The practice states that Dr. Grewal screens for high blood pressure and helps patients manage established hypertension in order to reduce long-term cardiovascular risk.
High blood pressure often causes no obvious symptoms, which makes routine measurement important. Persistent hypertension can contribute to heart disease, stroke, kidney problems, and other complications.
Dr. Grewal’s practice describes treatment plans that may include lifestyle changes, medication, or both. Its hypertension services include reviewing medical history, completing a physical examination, measuring blood pressure, and considering cardiac testing when indicated.
The National Heart, Lung, and Blood Institute notes that treatment can involve heart-healthy lifestyle changes and several classes of blood pressure medication depending on an individual’s needs.
Patients should not adjust prescribed blood pressure medication on their own without discussing the change with their healthcare professional.
Cardiovascular Risk Reduction
Family medicine also plays an important role in identifying cardiovascular risk before a patient develops a major heart problem.
Blood pressure, cholesterol, diabetes, smoking history, physical activity, family history, and other health factors can be reviewed together during primary care visits.
This broader perspective matters because cardiovascular risk rarely depends on only one laboratory result or one diagnosis.
Patients with higher risk may require additional testing, medication, or referral to cardiology depending on their symptoms and medical history.
Dr. Grewal’s hypertension practice specifically notes that an electrocardiogram or additional cardiac testing may be considered when clinically appropriate.
Asthma Care
Asthma is another condition specifically treated at Houston Family MD.
The practice states that Dr. Grewal evaluates asthma in both adults and children and may use medical history, physical examination, and lung-function testing to help establish the diagnosis. Additional imaging or allergy testing may also be considered depending on the patient’s symptoms.
Asthma causes inflammation and narrowing of the airways and may produce coughing, wheezing, chest tightness, or shortness of breath.
The CDC states that asthma can be controlled with appropriate medication and by reducing exposure to triggers that provoke attacks.
Houston Family MD describes asthma management that may include inhalers, trigger identification, allergy treatment, and continued monitoring.
Because asthma severity differs substantially between patients, treatment should be adjusted according to symptom frequency, lung function, triggers, and response to therapy.
Allergy-Related Conditions
Allergy testing is another service offered through Dr. Grewal’s practice.
Allergic symptoms may overlap with asthma, sinus problems, nasal congestion, skin symptoms, or recurring respiratory complaints.
For patients whose breathing problems worsen around specific triggers, allergy assessment may help identify factors contributing to symptoms.
Houston Family MD notes that allergy treatment may be incorporated into asthma care when allergies contribute to breathing difficulties.
Not every person with congestion, cough, or respiratory symptoms requires allergy testing. A primary care evaluation can help determine whether symptoms appear allergic, infectious, respiratory, or related to another medical problem.
Acute Illness And Walk-In Medical Problems
Family medicine is not limited to chronic disease.
Houston Family MD also lists walk-in medical problems and acute illness treatment among the services available through the practice.
Common primary care concerns can include respiratory infections, sore throats, fever, minor injuries, stomach symptoms, urinary complaints, headaches, or other new medical problems.
The physician’s role is to determine whether a condition can be treated in the office or whether laboratory testing, imaging, specialist consultation, urgent care, or emergency treatment is more appropriate.
Severe or rapidly worsening symptoms should not be delayed while waiting for a routine primary care appointment.
Weight And Metabolic Health
Weight management and obesity-related care are included among Houston Family MD’s current services.
Weight can interact with several conditions commonly managed in family medicine, including type 2 diabetes, hypertension, sleep-related problems, joint symptoms, and cardiovascular risk.
A medically supervised approach considers overall health rather than appearance alone.
Evaluation may involve reviewing nutrition, physical activity, medications, metabolic conditions, sleep, laboratory findings, and previous weight-management efforts.
For patients with diabetes, the CDC notes that healthy eating and physical activity are among the measures that can support blood glucose management alongside prescribed medication when needed.
Treatment decisions should be individualized according to medical history and health goals.
Anxiety And Depression Care
Houston Family MD also lists anxiety and depression among conditions evaluated and treated within Dr. Grewal’s primary care practice.
Primary care can be an important first point of contact when emotional symptoms begin affecting sleep, concentration, school or work, relationships, or everyday functioning.
The practice describes assessment that includes reviewing symptoms and medical history and completing an appropriate medical and mental health evaluation. Treatment options may include lifestyle measures, medication, psychotherapy, or referral depending on the situation.
Physical illnesses and medications can sometimes contribute to symptoms that resemble anxiety or depression, so a medical evaluation may be useful when symptoms are new or changing.
Patients experiencing urgent mental health concerns require timely professional support rather than waiting for a routine appointment.
Geriatric And Older Adult Care
Doximity lists geriatric medicine among Dr. Grewal’s professional practice areas, although his formal board certification is in Family Medicine.
Family physicians frequently care for older adults whose medical needs may involve several chronic conditions and multiple medications.
Visits may include reviewing diabetes, blood pressure, mobility, medication effects, vaccination needs, preventive screening, and specialist recommendations.
Medication review becomes particularly important when several prescriptions are being used at once or when kidney function and other age-related health factors change.
A family physician can help coordinate these different issues within one continuing primary care relationship.
Preventive Medicine And Healthy Aging
Preventive medicine is also listed among Dr. Grewal’s professional interests.
His current practice website emphasizes functional and integrative healthcare, wellness, preventive services, and support for healthy aging.
Preventive healthcare may involve identifying risk factors before they progress into established disease, keeping vaccinations current, monitoring chronic conditions, and addressing lifestyle factors that influence long-term health.
MedlinePlus describes regular preventive visits as opportunities to screen for medical conditions, assess future health risk, update preventive care, and maintain an ongoing relationship with a healthcare provider.
Integrative Approach To Family Medicine
Houston Family MD describes Dr. Grewal as taking an integrative approach to family medicine.
In his current practice, this means conventional primary care is combined with individualized attention to broader health factors and wellness goals.
The practice currently lists services beyond standard primary care, including executive physicals, IV therapy, hormone replacement services, weight-related care, and other wellness-focused offerings.
These services are not appropriate for every patient. Decisions should be based on symptoms, medical history, laboratory findings, expected benefits, and possible risks.
For routine and chronic disease care, Dr. Grewal’s practice continues to emphasize established family medicine services such as preventive screening, diabetes care, hypertension treatment, asthma management, and acute illness evaluation.
Coordinating Specialist Care
Family physicians often serve as a central point between patients and specialists.
A person may simultaneously see a cardiologist, endocrinologist, pulmonologist, gastroenterologist, or another specialist while continuing routine primary care.
Bringing specialist reports and updated medication lists to family medicine visits can help reduce confusion and make it easier to understand how different recommendations fit together.
Primary care can also help determine when a symptom requires referral rather than continued treatment within a general practice.
This coordination is especially useful for patients managing several chronic conditions or taking multiple medications.
Education And Medical Training
Dr. Ranjit Grewal graduated from St. Matthew’s University School of Medicine in 2003. Doximity currently lists him as a member of the St. Matthew’s University Class of 2003.
He subsequently completed Family Medicine residency training at East Tennessee State University James H. Quillen College of Medicine from 2003 through 2006.
Houston Family MD independently states that he completed residency through East Tennessee State University Family Physicians of Kingsport in Tennessee before returning to Texas.
After residency, Dr. Grewal provided medical care to veterans and military personnel in San Antonio before returning to his hometown of Houston to practice family medicine.
Board Certification And Medical License
Dr. Grewal is certified in Family Medicine by the American Board of Family Medicine. Current Doximity information displays this certification using American Board of Medical Specialties data.
The same professional record lists an active Texas medical license through 2027.
Board certification in Family Medicine reflects completion of specialty training and the certification requirements established for physicians practicing comprehensive family healthcare.
Licensing and certification information can be updated, so patients who require formal credential verification should check the appropriate state licensing or specialty certification authority.
Current Houston Family MD Practice
As of August 13, 2026, Dr. Grewal continues to lead Houston Family MD in the northwest Houston and Cypress area. His current practice website lists the office at:
10726 Huffmeister Road, Suite 150
Houston, Texas 77065
Doximity independently lists the same address and office phone number for Dr. Ranjit Singh Grewal.
WellMed’s current provider directory also lists Dr. Grewal at this Huffmeister Road office, identifies his specialty as Family Medicine, and records NPI 1477561520.
Older Houston Family MD forms still display a previous Northwest Freeway address in Cypress, but the practice’s current 2026 contact page uses the Huffmeister Road location.
Patients should therefore use the current Huffmeister Road information and confirm appointment details directly before visiting.
Accepting New Patients
Houston Family MD currently states that the practice is accepting new patients. Its new-patient information invites people to schedule both regular checkups and illness-related appointments and recommends bringing current medications and relevant previous medical records.
WellMed’s current physician listing also identifies Dr. Grewal as accepting new patients.
Appointment availability and insurance participation can change, so patients should confirm scheduling and coverage directly with the practice.
Telehealth Availability
Houston Family MD currently provides a telehealth option through its patient services menu.
Telehealth can be useful for selected follow-up visits or concerns that do not require an immediate physical examination.
However, some medical problems require vital signs, laboratory testing, imaging, or an in-person examination. The practice can determine whether a specific appointment is appropriate for virtual care.
Hospital Affiliation
Houston Family MD states that Dr. Grewal currently serves on the staff at North Cypress Medical Center.
Healthgrades likewise identifies HCA Houston Healthcare North Cypress as a current hospital affiliation.
Because hospital privileges and healthcare-system relationships can change, patients who expect inpatient treatment should confirm the relevant facility with Dr. Grewal’s office.
Languages
WellMed’s current provider profile lists English as a language spoken by Dr. Grewal.
Some independent practice directories additionally list Hindi, Punjabi, and Spanish language services associated with the broader office.
Patients who specifically require care in a particular language should verify clinician or interpreter availability when scheduling rather than assuming a language is available at every appointment.
Preparing For An Appointment
Patients can make a family medicine visit more productive by bringing an updated medication list, allergy information, recent laboratory reports, hospital discharge records, imaging results, and information from specialists.
Houston Family MD specifically asks new patients to bring their current medication list and any previous medical records they want the practice to review.
People managing diabetes can bring home blood glucose readings when available. Those receiving treatment for hypertension may benefit from bringing recent home blood pressure measurements.
Patients with asthma can note how frequently symptoms occur, what seems to trigger them, whether symptoms interfere with sleep or exercise, and which inhalers or other treatments they currently use.
Writing down the main questions before the appointment can also help ensure that important concerns are discussed.
Continuing Family Healthcare
Dr. Ranjit S. Grewal’s professional background combines family medicine residency training, American Board of Family Medicine certification, preventive medicine interests, and an ongoing Houston primary care practice.
His current Houston Family MD services cover preventive examinations, chronic disease management, acute medical concerns, diabetes, hypertension, asthma, allergies, weight-related health, and selected wellness services.
For patients who want one physician to help manage routine health needs while also coordinating chronic conditions and specialist care, family medicine can provide a consistent point of contact throughout continuing medical care.

Reviews
There are no reviews yet.