MARK CALLAHAN MD
NPI 1194803890
Internal Medicine in New York, NY

Q: What is Mark Callahan's NPI number?

The NPI number for Mark Callahan is 1194803890. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is Mark Callahan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Callahan was last updated on January 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.

Active since November 01, 2006

17 E 102ND ST, NEW YORK, NY 10029(212) 241-6585(212) 824-2335 Get Directions Write a Review

NPPES record last updated: January 24, 2012. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Mark Callahan Md NPPES

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

MARK CALLAHAN MD (NPI 1194803890) is an individual internal medicine provider in New York, New York, licensed in New York (197116) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1194803890

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMARK CALLAHANCredential: MD

Location Address17 E 102ND STNew York, NY 10029-5204

Mailing Address1 Gustave L Levy Pl, Box 3000New York, NY 10029-6500 · (212) 987-3100

Phone(212) 241-6585

Fax(212) 824-2335

Sole ProprietorNo

Enumeration DateNovember 1, 2006

Last NPPES UpdateJanuary 24, 2012

✔ NPI 1194803890 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 197116

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.

17 E 102ND ST, New York, NY 10029

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Other Identifiers 3

Medicare UPINF73424NY

Medicaid01523326NY

Medicare ID-Type Unspecified33J521NY

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.

JENNIFER WEINTRAUB

Internal Medicine