Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Kevin T Oconnor, DO

Surgery Physician in Greenville, MI · enumerated 2006.

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

National Provider Identifier

1659335396

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Registry record

Entity type Individual (Type 1)

Name Dr. Kevin T Oconnor

Credential DO

Sex Male

Practice address 707 S Greenville West Dr, Greenville, MI, 48838

Phone (616) 754-3001

Enumeration date Apr 12, 2006

Last updated in NPPES Apr 2, 2018

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 5101010639 (MI) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
3526975	Medicaid	MI	-
3162370	Medicaid	MI	-

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 Kevin Oconnor?

The National Provider Identifier (NPI) for Kevin Oconnor is 1659335396, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kevin Oconnor practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-04-02.