Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Alexander Haselkorn, M. D.

Surgery of the Hand (Surgery) Physician in Paterson, NJ · enumerated 2006.

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

National Provider Identifier

1780697698

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Registry record

Entity type Individual (Type 1)

Name Alexander Haselkorn

Credential M. D.

Sex Female

Practice address Paterson, NJ, 07514

Phone (973) 279-8850

Fax (973) 279-9716

Enumeration date Aug 14, 2006

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2086S0105X Surgery of the Hand (Surgery) Physician Allopathic & Osteopathic Physicians · License 25MA02175200 (NJ) 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
D59953	Other	NJ	AMERIHEALTH
12124	Other	NJ	UNIVERSITY HEALTH PLAN
1042506	Other	NJ	HORIZON NJ HEALTH
P2564958	Other	NJ	OXFORD
OK7331	Other	NJ	HEALTH NET
10590	Other	NJ	AMERIGROUP
4093613	Other	NJ	AETNA
63409	Other	NJ	WELL CHOICE
01000062500	Other	NJ	AMERICHOICE
2911205	Medicaid	NJ	-

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.

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Frequently asked questions

What specialty is Alexander Haselkorn?

Alexander Haselkorn is registered in NPPES with the primary taxonomy of Surgery of the Hand (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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.