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JOHN PATRICK WILLIAMS M.D.
NPI 1154588820
Internal Medicine in Washington, DC

Active since May 20, 2008
5801 DEFENSE PENTAGON, WASHINGTON, DC 20310(703) 614-7765(703) 692-1188 Get Directions Write a Review

NPPES record last updated: April 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Patrick Williams M.d. NPPES

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

JOHN PATRICK WILLIAMS M.D. (NPI 1154588820) is an individual internal medicine provider in Washington, District Of Columbia, licensed in Georgia (66374) and active in the NPI registry since May 2008.

NPPES Registry Identity

NPI1154588820
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN PATRICK WILLIAMSCredential: M.D.
Location Address5801 DEFENSE PENTAGONWashington, DC 20310-3379
Mailing Address715 Village Square DrStone Mountain, GA 30083-3379 · (404) 299-8444 · Fax (404) 292-8824
Phone(703) 614-7765
Fax(703) 692-1188
Sole ProprietorNo
Enumeration DateMay 20, 2008
Last NPPES UpdateApril 10, 2025
NPPES CertifiedApril 10, 2025
✔ NPI 1154588820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in GA · 66374
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 390200000X (IN)
5801 DEFENSE PENTAGON, Washington, DC 20310
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Other Providers at the Same Location NPPES 9

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

DEBORAH L BRIMMER DENTAL HYGIENIST
Dental Hygienist
5801 DEFENSE PENTAGON
WASHINGTON, DC 20310
District of Columbia (703) 692-8701
DR. GREGORY DOWSE DDS
Dentist
5801 DEFENSE PENTAGON
WASHINGTON, DC 20310
District of Columbia (703) 692-8810
LORNA IMPERIAL LAGARDE RPH
Pharmacist
5801 DEFENSE PENTAGON, DTHC PHARMACY SERVICES DTMC PENTAGON
WASHINGTON, DC 20310
District of Columbia (703) 692-8694
KARL STILLER R.PH.
Pharmacist
5801 DEFENSE PENTAGON, CORRIDOR 8, E-RING
WASHINGTON, DC 20310
District of Columbia (703) 692-8692
AUSTIN H. CHHOEU D.O.
Preventive Medicine (Aerospace Medicine)
5801 DEFENSE PENTAGON
WASHINGTON, DC 20310
District of Columbia (703) 692-8810
DR. MARLEEN NGA TRAN PHARMD
Pharmacist
5801 DEFENSE PENTAGON
WASHINGTON, DC 20310
District of Columbia (703) 692-8694
ERIN ELIZABETH JOHNSON DPT
Physical Therapist
5801 DEFENSE PENTAGON
WASHINGTON, DC 20310
District of Columbia (703) 692-8870
APRIL JENNIFER FRYE
Physician Assistant
5801 DEFENSE PENTAGON
WASHINGTON, DC 20310
District of Columbia (703) 692-8810

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 John Williams's NPI number?

The NPI number for John Williams is 1154588820. It was assigned to this individual provider in the NPPES registry on May 20, 2008.

Where is John Williams located?

John Williams practices at 5801 Defense Pentagon, Washington, DC 20310. The listed phone number is (703) 614-7765.

What is John Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Williams was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.