Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Andrew S Gerken, MD

Family Medicine Physician in Bucyrus, OH · enumerated 2006.

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

National Provider Identifier

1134185051

Verified

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Registry record

Entity type Individual (Type 1)

Name Andrew S Gerken

Credential MD

Sex Male

Practice address 629 N Sandusky Ave, Bucyrus, OH, 44820

Phone (419) 562-4677

Fax (419) 562-0987

Enumeration date Apr 21, 2006

Last updated in NPPES Jun 10, 2020

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 4301502408 (MI) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 35082874 (OH) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 4301502408 (MI) Primary

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

Other identifiers

Identifier	Type	State	Issuer
P00205797	Other	OH	RR MEDICARE - GREENFIELD
P00263123	Other	OH	RR MEDICARE FOR BUCYRUS
P00143218	Other	OH	RR MEDICARE FOR MADISON
000000339750	Other	OH	BCBS FOR MADISON
000000384551	Other	OH	BCBS FOR GALION
000000346397	Other	OH	BCBS FOR GREENFIELD
2466700	Medicaid	OH	-
P00306579	Other	-	RR
000000362624	Other	OH	BCBS FOR BUCYRUS
000000384661	Other	-	BCBS GALION

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

Where does Andrew Gerken practice?

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

What is the NPI number for Andrew Gerken?

The National Provider Identifier (NPI) for Andrew Gerken is 1134185051, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-10.