Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexander R Paciorkowski, MD

Neurology with Special Qualifications in Child Neurology Physician in Rochester, NY · enumerated 2006.

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

National Provider Identifier

1245206606

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Registry record

Entity type Individual (Type 1)

Name Alexander R Paciorkowski

Credential MD

Sex Male

Practice address 919 Westfall Rd, Bldg C, Suite 220, Rochester, NY, 14618

Phone (585) 341-7500

Fax (585) 341-7510

Enumeration date Feb 27, 2006

Last updated in NPPES Jul 7, 2023

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 2007013167 (MO) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 266133 (NY) Secondary

2084N0402X Neurology with Special Qualifications in Child Neurology Physician Allopathic & Osteopathic Physicians · License 2007013167 (MO) Primary

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

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Frequently asked questions

What is the NPI number for Alexander Paciorkowski?

The National Provider Identifier (NPI) for Alexander Paciorkowski is 1245206606, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Paciorkowski practice?

The practice location on file with NPPES is in Rochester, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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