Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael Thomas O'Neill Jr., O.D
Optometrist in Warren, PA · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1215317177
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Registry record
Entity type Individual (Type 1)
Name Dr. Michael Thomas O'Neill Jr.
Credential O.D
Sex Male
Practice address 2 Farm Colony Dr, Warren, PA, 16365
Phone (814) 726-2303
Enumeration date Jun 5, 2015
Last updated in NPPES May 12, 2021
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 103028204 | Medicaid | PA | - |
| 04344161 | Medicaid | NY | - |
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 Michael O'Neill practice?
The practice location on file with NPPES is in Warren, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael O'Neill?
The National Provider Identifier (NPI) for Michael O'Neill is 1215317177, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Mark Morici Certified Registered Nurse Anesthetist · Warren, PA NPI 1417930777 Ralph Witchey Optometrist · Warren, PA NPI 1124060462 Juliette Stenz Ophthalmology Physician · Warren, PA NPI 1396908877 Samantha Jenkins Optometrist · Warren, PA NPI 1326296245 Darbee Harrington Physical Therapist · Warren, PA NPI 1962735530 Michael Landy Optometrist · Warren, PA NPI 1851619167 John Strong Certified Registered Nurse Anesthetist · Warren, PA NPI 1083038319 Beau Froebel Ophthalmology Physician · Warren, PA NPI 1780115493
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-12.