Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert E Sonnemaker, MD

Nuclear Medicine Physician in Springfield, MO · enumerated 2007.

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

National Provider Identifier

1760521660

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert E Sonnemaker

Credential MD

Sex Male

Practice address 1235 E Cherokee St, Springfield, MO, 65804

Phone (417) 820-6850

Fax (417) 820-6868

Enumeration date Feb 6, 2007

Last updated in NPPES May 15, 2013

Taxonomy & licenses

207U00000X Nuclear Medicine Physician Allopathic & Osteopathic Physicians · License 112077 (MO) 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
132094001	Medicaid	AR	-
173098	Other	MO	MO BLUE SHIELD
208723304	Medicaid	MO	-
81454	Other	AR	ARK BLUE SHIELD

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 Robert Sonnemaker?

The National Provider Identifier (NPI) for Robert Sonnemaker is 1760521660, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Sonnemaker practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-15.