Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Erich Mertensmeyer, D.O.

Otolaryngology/Facial Plastic Surgery Physician in Springfield, MO · enumerated 2007 · practices at Mercy Clinic Springfield Communities.

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

National Provider Identifier

1396861498

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Registry record

Entity type Individual (Type 1)

Name Dr. Erich Mertensmeyer

Credential D.O.

Sex Male

Practice address 1229 E Seminole St, Ste 520, Springfield, MO, 65804

Phone (417) 820-5750

Fax (417) 820-5066

Enumeration date Mar 21, 2007

Last updated in NPPES Sep 25, 2019

Taxonomy & licenses

207YX0602X Otolaryngic Allergy Physician Allopathic & Osteopathic Physicians · License 2003013945 (MO) Secondary

207YX0905X Otolaryngology/Facial Plastic Surgery Physician Allopathic & Osteopathic Physicians · License 2003013945 (MO) 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
1396861498	Medicaid	MO	-
191683003	Medicaid	AR	-
431560263	Other	MO	TRICARE
P01036353	Other	MO	RR MCR

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

What is the NPI number for Erich Mertensmeyer?

The National Provider Identifier (NPI) for Erich Mertensmeyer is 1396861498, a Type 1 (individual) record in the CMS NPPES registry.

Where does Erich Mertensmeyer practice?

The practice location on file with NPPES is in Springfield, MO. 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 2019-09-25.