Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Theresa Mayhartle, DO

Obstetrics & Gynecology Physician in Dewitt, MI · enumerated 2006.

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

National Provider Identifier

1679553952

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Registry record

Entity type Individual (Type 1)

Name Theresa Mayhartle

Credential DO

Sex Female

Practice address 12805 Escanaba Dr, Suite 2, Dewitt, MI, 48820

Phone (517) 367-5520

Fax (517) 367-5521

Enumeration date Jan 20, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 5101011364 (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
252503	Other	MI	HEALTH ADVANTAGE NETWORK
01795	Other	MI	AETNA
0700186	Other	MI	PHYSICIANS HEALTH PLAN
252503	Other	MI	MCLAREN HEALTH PLAN
1651913484	Other	MI	BLUE CROSS BLUE SHIELD
4154702	Medicaid	MI	-
G10710	Other	MI	HEALTH NET FEDERAL SERVIC

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 Theresa Mayhartle's NPI record?

Cross-check NPI 1679553952 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1679553952 active?

Yes, as of the latest NPPES snapshot, NPI 1679553952 is active (record last updated 2007-07-08).

Other providers at this practice address

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Upendra Shah Obstetrics & Gynecology Physician · Dewitt, MI NPI 1164492088 Jay Hoffman Family Medicine Physician · Dewitt, MI NPI 1255345856 Linda Bowers Family Nurse Practitioner · Dewitt, MI NPI 1497943542 Stacie Briggs Physician Assistant · Dewitt, MI NPI 1609530641

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.