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Internal Medicine

Haymar H. Hann

Sees patients in New York, NY · New York

Summary

Haymar H. Hann is an internal medicine doctor at 201 E 65th St, New York, NY 10065. Phone: (212) 879-4700. Accepts Medicare assignment. NPI 1558944587. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 201 E 65th St, New York, NY 10065 · Directions (1 more location)
  • Phone: (212) 879‑4700
  • Medicare: Accepts Medicare assignment
  • Group practice: Medical Office of Manhattan PLLC
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Haymar H. Hann, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Haymar H. Hann accept Medicare assignment?
Yes. Medicare's clinician data says Haymar H. Hann accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Haymar H. Hann's NPI number?
1558944587. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Haymar H. Hann is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Haymar H. Hann as a member of this group (CMS data updated October 2, 2026).

  • Medical Office of Manhattan PLLC35 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All internal medicine doctors in New York →

Other clinicians in Medical Office of Manhattan PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558944587
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians