Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory Itzhak, P.A.

Physician Assistant in Bronx, NY · enumerated 2009.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1588894893

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Registry record

Entity type Individual (Type 1)

Name Gregory Itzhak

Credential P.A.

Sex Male

Practice address 4377 Bronx Blvd, Bronx, NY, 10466

Phone (718) 325-0700

Fax (718) 325-1301

Enumeration date Jul 21, 2009

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 012850 (NY) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Gregory Itzhak?

Gregory Itzhak is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Kumarie Nandi Family Medicine Physician · Bronx, NY NPI 1073532115 Rjzm LLC General Practice Physician · Bronx, NY NPI 1982627113 Astor Care Medical, PC Neuromusculoskeletal Medicine & OMM Physician · Bronx, NY NPI 1942211271 Mario Nolasco Physical Therapist · Bronx, NY NPI 1730301029 Theresa Grethe Licensed Practical Nurse · Bronx, NY NPI 1326247982 Lady Cecille Canete Physical Therapist · Bronx, NY NPI 1699964254 Nysarc Inc Nyc Chapter Developmentally Disabled Services Day Training Agency · Bronx, NY NPI 1720245632 Joseph Vetere Chiropractor · Bronx, NY NPI 1043471832

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.