NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Matthew Brian Wilkinson, M.D.

Internal Medicine Physician in Overland, MO · enumerated 2005.

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

National Provider Identifier

1821083866

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Registry record

Entity type Individual (Type 1)
Name Dr. Matthew Brian Wilkinson
Credential M.D.
Sex Male
Practice address Overland, MO, 63114
Phone (314) 449-9633
Fax (314) 449-9634
Enumeration date Sep 15, 2005
Last updated in NPPES Oct 31, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 036-107047 (IL) Secondary
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 036107047 (IL) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036107047 (IL) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 2025045328 (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
1821083866 Medicaid MO -
036107047 Medicaid IL -
08232205 Other IL BLUE CROSS 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Matthew Wilkinson?
Matthew Wilkinson is registered in NPPES with the primary taxonomy of Internal Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-31.