Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. James Frederic Passarelli, MD

Surgery Physician in New Haven, CT · enumerated 2006 · practices at Greater New Haven Ob Gyn Group PC.

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

National Provider Identifier

1104851518

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Registry record

Entity type Individual (Type 1)

Name Dr. James Frederic Passarelli

Credential MD

Sex Male

Practice address 2 Church Street South, New Haven, CT, 06519

Phone (203) 776-2500

Fax (203) 776-2959

Enumeration date Jul 12, 2006

Last updated in NPPES Aug 18, 2014

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 033614 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
001336149	Medicaid	CT	-

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

What specialty is James Passarelli?

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

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.

Other providers at this practice address

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Joanne Foodim Internal Medicine Physician · New Haven, CT NPI 1780663237 Greater New Haven Ob Gyn Group PC Obstetrics & Gynecology Physician · New Haven, CT NPI 1396821716

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-18.