Our care team
Our Providers
Meet the physician, physician assistants and nurse practitioner who care for adults at Lifecare Primary Medical in Richmond, TX.
Who will I see at Lifecare Primary Medical?
Our practice is led by Samira Khan, MD, an internal medicine physician. She works with two physician assistants and a family nurse practitioner, so patients can be seen promptly, including for walk-in and same-day visits. Physician assistants and nurse practitioners are licensed clinicians who diagnose and treat illness, order tests and prescribe medications, working as a team with the physician.
Physician
Samira Khan, MD
Internal Medicine
Dr. Khan is an internal medicine physician focused on preventive healthcare, annual physicals, adult primary care, and the long-term management of conditions such as hypertension and diabetes. She is affiliated with Memorial Hermann Katy Hospital.
Physician assistant
Tanveer Khan, MPAS, PA-C
Physician Assistant
Tanveer Khan graduated from the University of North Dakota School of Medicine and Health Sciences. He is certified by the National Commission on Certification of Physician Assistants (NCCPA), licensed by the Texas Medical Board, and a member of the American Academy of Physician Assistants (AAPA).
Physician assistant
Sadaf Siddiqui, MPAS, PA-C
Physician Assistant
Sadaf Siddiqui graduated from the University of Texas Medical Branch. She is certified by the NCCPA, licensed by the Texas Medical Board, and a member of the American Academy of Physician Assistants and the Texas Academy of Physician Assistants.
She brings experience as a hospitalist with a focus on internal medicine and cardiology, and as a clinician in primary care, women’s health and geriatrics. She practices a team-based approach that actively involves patients in their own care.
Nurse practitioner
Nettah Ndungu, FNP-C
Family Nurse Practitioner
Nettah Ndungu is a board-certified family nurse practitioner who joined the practice in November 2020. She began her nursing career at Memorial Hermann-TMC in 2008 and earned her master’s degree from The University of Texas Health Science Center at Houston (UTHealth).
She is a member of the American Academy of Nurse Practitioners (AANP) and AMDA – The Society for Post-Acute and Long-Term Care, with a background that includes internal medicine, oncology and gastroenterology. She works collaboratively with patients to improve their quality of life.
Our location
Visit Our Richmond Clinic
All of our providers see patients at our Richmond clinic on South Peek Road. We do not have other office locations.
Lifecare Primary Medical
7103 South Peek Road, Suite 520
Richmond, TX 77407
281-712-7757
Office hours
| Monday – Friday | 8:30 AM – 5:00 PM |
| Saturday – Sunday | Closed |
Common questions
Questions about our providers
What is a physician assistant (PA-C)?
A physician assistant is a nationally certified, state-licensed clinician who examines patients, diagnoses and treats illness, orders tests and prescribes medications, working in collaboration with a physician.
What is a family nurse practitioner (FNP-C)?
A family nurse practitioner is an advanced practice registered nurse with graduate training who provides primary care, including diagnosis, treatment and prescribing.
Can I choose which provider I see?
Yes. Let our staff know your preference when you call 281-712-7757. For same-day visits, you will usually see the first available provider.
Do your providers see children?
Our practice focuses on adults.
Schedule with our care team
Request an appointment or call our office. Our office will contact you to confirm your visit.