Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Megan V O'Neill, DDS
Dentist in Holmesville, OH · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548307333
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Megan V O'Neill
Credential DDS
Sex Female
Practice address 8001 Township Road 574, Holmesville, OH, 44633
Phone (330) 674-0075
Enumeration date Jan 31, 2007
Last updated in NPPES Oct 3, 2013
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0477489 | Medicaid | OH | - |
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 Megan O'Neill practice?
The practice location on file with NPPES is in Holmesville, OH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Megan O'Neill?
The National Provider Identifier (NPI) for Megan O'Neill is 1548307333, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Holmes Co. Board of Mrdd Public Health Dentistry · Holmesville, OH NPI 1417018003 Holmes County Board of Mrdd Developmentally Disabled Services Day Training Agency · Holmesville, OH NPI 1831227032 Lynn Hope Industries, Inc. Non-emergency Medical Transport (VAN) · Holmesville, OH NPI 1407567969 Melissa Duff Physical Therapist · Holmesville, OH NPI 1497580336
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-03.