Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Matthew Aaron Parker, M.D.

Hospitalist Physician in Saint Joseph, MO · enumerated 2008.

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

National Provider Identifier

1558537522

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Registry record

Entity type Individual (Type 1)

Name Dr. Matthew Aaron Parker

Credential M.D.

Sex Male

Practice address 5325 Faraon St, Saint Joseph, MO, 64506

Phone (816) 271-6406

Fax (816) 271-7986

Enumeration date Apr 30, 2008

Last updated in NPPES Oct 26, 2017

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 2013036517 (MO) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 01069584A (IN) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 2013036517 (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
1558537522	Medicaid	MO	-
49764019	Other	MO	BCBS OF KANSAS CITY
1558537522	Medicaid	IA	-
P01652757	Other	MO	RR MEDICARE
201132170A	Medicaid	KS	-

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 Matthew Parker?

The National Provider Identifier (NPI) for Matthew Parker is 1558537522, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Parker practice?

The practice location on file with NPPES is in Saint Joseph, 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 2017-10-26.