Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Evan Hardin, M.D.

Internal Medicine Physician in West Chester, OH · enumerated 2006.

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

National Provider Identifier

1659337400

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Registry record

Entity type Individual (Type 1)

Name Matthew Evan Hardin

Credential M.D.

Sex Male

Practice address 7690 Discovery Dr, West Chester, OH, 45069

Phone (513) 584-7425

Fax (513) 475-7453

Enumeration date Apr 21, 2006

Last updated in NPPES Mar 14, 2019

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 35-073396 (OH) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 35-073396 (OH) 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
110038557	Other	OH	RAIL ROAD MEDICARE
2192685	Medicaid	OH	-
64016462	Medicaid	KY	-
200288240	Medicaid	IN	-

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

How do I verify Matthew Hardin's NPI record?

Cross-check NPI 1659337400 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1659337400 active?

Yes, as of the latest NPPES snapshot, NPI 1659337400 is active (record last updated 2019-03-14).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-14.