NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Gregory T Frondorf, R.N., C.R.N.A.

Certified Registered Nurse Anesthetist in Batavia, OH · enumerated 2006.

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

National Provider Identifier

1215008636

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. Gregory T Frondorf
Credential R.N., C.R.N.A.
Sex Male
Practice address 3000 Hospital Drive, Mercy Clermont Hospital, Batavia, OH, 45103
Fax (513) 732-8713
Enumeration date Nov 10, 2006
Last updated in NPPES Dec 10, 2013

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 262262 (OH) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

Other identifiers

Identifier Type State Issuer
2764147 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Gregory Frondorf?
The National Provider Identifier (NPI) for Gregory Frondorf is 1215008636, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Frondorf practice?
The practice location on file with NPPES is in Batavia, OH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-10.