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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.

DR. TIBOR JOHN HAM JR. MD
NPI 1861467011
Internal Medicine in Vienna, VA

Active since February 21, 2006
135 CENTER ST S, VIENNA, VA 22180(703) 938-7800(703) 938-4541 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Tibor John Ham Jr. Md NPPES

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

DR. TIBOR JOHN HAM JR. MD (NPI 1861467011) is an individual internal medicine provider in Vienna, Virginia, licensed in Virginia (0101027751) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1861467011
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. TIBOR JOHN HAM JR.Credential: MD
Location Address135 CENTER ST SVienna, VA 22180-5720
Mailing Address135 Center St SVienna, VA 22180-5720 · (703) 938-7800 · Fax (703) 938-4541
Phone(703) 938-7800
Fax(703) 938-4541
Sole ProprietorNo
Enumeration DateFebruary 21, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1861467011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101027751
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.
135 CENTER ST S, Vienna, VA 22180
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Other Providers at the Same Location NPPES

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

VIENNA INTERNAL MEDICINE ASSOCIATES PC
Internal Medicine
135 CENTER ST S
VIENNA, VA 22180
Fairfax County (703) 938-7800

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 Tibor Ham's NPI number?

The NPI number for Tibor Ham is 1861467011. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Where is Tibor Ham located?

Tibor Ham practices at 135 Center St S, Vienna, VA 22180. The listed phone number is (703) 938-7800.

What is Tibor Ham'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 Tibor Ham was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.