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HARRISON F. MITCHELL, M.D.,P.C
NPI 1568633659
Internal Medicine in New York, NY

Active since March 17, 2008
40 W 135TH ST APT 1D, NEW YORK, NY 10037(212) 690-3200(212) 690-1298 Get Directions Write a Review

NPPES record last updated: October 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Harrison F. Mitchell, M.d.,p.c NPPES

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

HARRISON F. MITCHELL, M.D.,P.C (NPI 1568633659) is a healthcare organization registered as an internal medicine in New York, New York and active in the NPI registry since March 2008. The organization lists Harrison F Mitchell, Chairman, as its authorized official.

NPPES Registry Identity

NPI1568633659
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHARRISON F. MITCHELL, M.D.,P.C
Location Address40 W 135TH ST APT 1DNew York, NY 10037-2530
Mailing Address40 W 135th St Apt 1dNew York, NY 10037-2530 · (212) 690-3200 · Fax (212) 690-1298
Phone(212) 690-3200
Fax(212) 690-1298
Organization SubpartNo
Authorized OfficialHarrison F MitchellChairman · (212) 690-3200
Enumeration DateMarch 17, 2008
Last NPPES UpdateOctober 30, 2025
NPPES CertifiedOctober 30, 2025
✔ NPI 1568633659 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 · 193957
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.
40 W 135TH ST APT 1D, New York, NY 10037
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Harrison F. Mitchell, M.d.,p.c 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 Harrison F. Mitchell, M.D.,p.C, which bills Medicare for the services this clinician delivers.

Clinician (1)

Harrison Mitchell, M.D
Internal Medicine
NPI 1629134622
2368 ADAM CLAYTON POWELL JR BLVD
New York, NY 10030
(212) 690-3200
✔ PECOS✔ Accepts Medicare0.3 mi

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 Harrison F. Mitchell, M.D.,p.C's NPI number?

The NPI number for Harrison F. Mitchell, M.D.,p.C is 1568633659. It was assigned to this organization in the NPPES registry on March 17, 2008.

Where is Harrison F. Mitchell, M.D.,p.C located?

Harrison F. Mitchell, M.D.,p.C is located at 40 W 135th St Apt 1D, New York, NY 10037. The listed phone number is (212) 690-3200.

What is Harrison F. Mitchell, M.D.,p.C's specialty?

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

Is Harrison F. Mitchell, M.D.,p.C enrolled in Medicare?

Yes. Harrison F. Mitchell, M.D.,p.C is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Harrison F. Mitchell, M.D.,p.C?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Harrison F. Mitchell, M.D.,p.C. 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 Harrison F. Mitchell, M.D.,p.C was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.