Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jill Diane Nelson, PA-C
Physician Assistant in Olean, NY · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1790816015
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Registry record
Entity type Individual (Type 1)
Name Jill Diane Nelson
Credential PA-C
Sex Female
Practice address 535 Main St, Olean, NY, 14760
Phone (716) 372-0141
Fax (716) 376-2225
Enumeration date Mar 8, 2007
Last updated in NPPES Jun 5, 2026
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 012348 (NY) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2550 | Other | AZ | AZ LICENSE |
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.
Frequently asked questions
Where does Jill Nelson practice?
The practice location on file with NPPES is in Olean, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jill Nelson?
The National Provider Identifier (NPI) for Jill Nelson is 1790816015, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Othoniel Castro Neurology Physician · Olean, NY NPI 1750380242 William Cihak Internal Medicine Physician · Olean, NY NPI 1386643781 John Balacki Gastroenterology Physician · Olean, NY NPI 1578562179 Ricardo Ilustre Pediatrics Physician · Olean, NY NPI 1467451658 Johanna Handley Family Medicine Physician · Olean, NY NPI 1407855679 G Spigel Dermatology Physician · Olean, NY NPI 1518966746 Gilbert Witte Pulmonary Disease Physician · Olean, NY NPI 1598764730 Fred Lewis Allergy & Immunology Physician · Olean, NY NPI 1093714230
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-05.