Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Margaret Lang-Williams, MD

Individual provider Hospitalist Physician · NPI 1255389847

Dr. Margaret Lang-Williams, MD is an Internal Medicine in Houston, Texas. Graduated from Tufts University School of Medicine in 1984, 42 years ago. Practices with Tomball Regional Internal Medicine Associates, a 2-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
42
Trained at
Tufts University School of Medicine
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

921 Gessner Rd Fl 8
Houston, TX 77024-2501
Phone: (281) 516-0212
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2501 Jimmy Johnson Blvd, Port Arthur, TX 77640-2007 — (409) 727-7342

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence H1720 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence H1720 (TX)

Record details

NPI number1255389847
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 5, 2006
Last updated in NPPESMarch 27, 2025
Certification dateMarch 27, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Tomball Regional Internal Medicine Associates — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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