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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE MAIRI CLARK MD
NPI 1194427252
General Practice in Bethesda, MD

Active since March 21, 2023
8901 WISCONSIN AVENUE, AMERICA BLDG, FLOOR 2, BETHESDA, MD 20889(301) 295-4290 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Katherine Mairi Clark Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE MAIRI CLARK MD (NPI 1194427252) is an individual general practice provider in Bethesda, Maryland, licensed in Virginia (0101283231) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1194427252
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameKATHERINE MAIRI CLARKCredential: MD
Location Address8901 WISCONSIN AVENUE, AMERICA BLDG, FLOOR 2Bethesda, MD 20889
Mailing Address8901 Wisconsin AveBethesda, MD 20889-0004 · (301) 295-4290
Phone(301) 295-4290
Sole ProprietorNo
Enumeration DateMarch 21, 2023
Last NPPES UpdateJune 15, 2026
NPPES CertifiedJune 15, 2026
✔ NPI 1194427252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in VA · 0101283231
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
8901 WISCONSIN AVENUE, Bethesda, MD 20889
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TONYA M CONLEY MD
General Practice
8901 WISCONSIN AVENUE, WALTER REED NATIONAL MILITARY MEDICAL CENTER
BETHESDA, MD 20889
Montgomery County (301) 295-4600
ERIC SILVESTRE SUAREZ MD
Pathology (Anatomic Pathology)
8901 WISCONSIN AVENUE, PATHOLOGY DEPT., BUILDING 9
BETHESDA, MD 20889
Montgomery County (301) 319-8216
DR. BRADLEY A. SERWER M.D.
Internal Medicine (Interventional Cardiology)
8901 WISCONSIN AVENUE
BETHESDA, MD 20889
Montgomery County (301) 295-0390
DR. STEVEN HENRY MCILWAIN DPM
Podiatrist (Foot & Ankle Surgery)
8901 WISCONSIN AVENUE
BETHESDA, MD 20889
Montgomery County (301) 295-4295
DR. ROBERT MICHAEL TAFT
Dentist (Prosthodontics)
8901 WISCONSIN AVENUE, BLDG 1, RM 16125
BETHESDA, MD 20889
Montgomery County (301) 319-4509
DR. BRETT JAMES THEELER M.D.
Psychiatry & Neurology (Neurology)
8901 WISCONSIN AVENUE
BETHESDA, MD 20889
Montgomery County (301) 295-4771
DR. DALLIN ROWLEY M.D.
Student in an Organized Health Care Education/Training Program
8901 WISCONSIN AVENUE, WALTER REED NATIONAL MILITARY MEDICAL CENTER
BETHESDA, MD 20889
Montgomery County (301) 295-4503
DR. ALICE JEAN SITHOLE PHARM.D.
Pharmacist
8901 WISCONSIN AVENUE, OUTPATIENT PHARMACY
BETHESDA, MD 20889
Montgomery County (301) 295-2121

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Clark's NPI number?

The NPI number for Katherine Clark is 1194427252. It was assigned to this individual provider in the NPPES registry on March 21, 2023.

Where is Katherine Clark located?

Katherine Clark practices at 8901 Wisconsin Avenue America Bldg, Floor 2, Bethesda, MD 20889. The listed phone number is (301) 295-4290.

What is Katherine Clark's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Katherine Clark was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.