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

John Wah, MD

Individual provider Internal Medicine Physician · NPI 1265727580

John Wah, MD is a Geriatric Medicine in Westminster, Maryland. Qualified in 2011, 15 years ago. Practices with Expanding Medicine LLC, a 4-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
15
Licensed in
MD
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

77 E Main St Ste 215
Westminster, MD 21157-5037
Phone: (410) 871-8104
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 7309 2nd Ave, Sykesville, MD 21784-7531 — (410) 795-1100

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0077578 (MD)

Record details

NPI number1265727580
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 15, 2011
Last updated in NPPESNovember 12, 2025
Certification dateNovember 12, 2025
Mailing address684 Poole Rd Ste A, Westminster, MD 21157-6173

Medicare enrollment

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

Medicare specialtyGERIATRIC MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Expanding Medicine Llc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Westminster