JEFFREY M. AHN M.D., PC
NPI 1578885653
Otolaryngology in New York, NY

Active since February 17, 2010
45 PARK AVE, NEW YORK, NY 10016(212) 714-9494 Get Directions Write a Review

NPPES record last updated: February 17, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Jeffrey M. Ahn M.d., Pc NPPES

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

JEFFREY M. AHN M.D., PC (NPI 1578885653) is a healthcare organization registered as an otolaryngology in New York, New York and active in the NPI registry since February 2010. The organization lists Jeffrey M. Ahn, Owner/provider, as its authorized official.

NPPES Registry Identity

NPI1578885653
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameJEFFREY M. AHN M.D., PC
Location Address45 PARK AVENew York, NY 10016-3487
Mailing Address45 Park AveNew York, NY 10016-3487
Organization SubpartNo
Authorized OfficialJeffrey M. AhnOwner/provider · (212) 714-9494
Enumeration DateFebruary 17, 2010
✔ NPI 1578885653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in NY · 175143
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License 175143 (NY)
Also ListedPlastic Surgery · Plastic Surgery Within the Head and NeckTaxonomy 2082S0099X · License 175143 (NY)
45 PARK AVE, New York, NY 10016

Other Identifiers 1

Medicare UPIN46I041

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jeffrey M. Ahn M.d., Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Jeffrey M. Ahn M.D., PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Otolaryngology
NPI 1740326305
45 PARK AVE 1ST FL.
New York, NY 10016
(212) 714-9494
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Jeffrey M. Ahn M.D., PC's NPI number?

The NPI number for Jeffrey M. Ahn M.D., PC is 1578885653. It was assigned to this organization in the NPPES registry on February 17, 2010.

Where is Jeffrey M. Ahn M.D., PC located?

Jeffrey M. Ahn M.D., PC is located at 45 Park Ave, New York, NY 10016. The listed phone number is (212) 714-9494.

What is Jeffrey M. Ahn M.D., PC's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Jeffrey M. Ahn M.D., PC enrolled in Medicare?

Yes. Jeffrey M. Ahn M.D., PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Jeffrey M. Ahn M.D., PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Jeffrey M. Ahn M.D., PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey M. Ahn M.D., PC was last updated on February 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.