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TIMOTHY H HOLTZ
NPI 1235001793
Internal Medicine in Washington, DC

Active since September 23, 2025
950 NEW HAMPSHIRE AVE NW, WASHINGTON, DC 20037(202) 994-3624 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Timothy H Holtz NPPES

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

TIMOTHY H HOLTZ (NPI 1235001793) is an individual internal medicine provider in Washington, District Of Columbia, licensed in Georgia (48427) and active in the NPI registry since September 2025.

NPPES Registry Identity

NPI1235001793
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTIMOTHY H HOLTZ
Location Address950 NEW HAMPSHIRE AVE NWWashington, DC 20037-2301
Mailing Address950 New Hampshire Ave NwWashington, DC 20037-2301 · (202) 994-3624
Phone(202) 994-3624
Sole ProprietorYes
Enumeration DateSeptember 23, 2025
NPPES CertifiedSeptember 23, 2025
✔ NPI 1235001793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in GA · 48427
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.
950 NEW HAMPSHIRE AVE NW, Washington, DC 20037
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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 Timothy Holtz's NPI number?

The NPI number for Timothy Holtz is 1235001793. It was assigned to this individual provider in the NPPES registry on September 23, 2025.

Where is Timothy Holtz located?

Timothy Holtz practices at 950 New Hampshire Ave NW, Washington, DC 20037. The listed phone number is (202) 994-3624.

What is Timothy Holtz'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 Timothy Holtz was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.