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

John D Mesko, M.D.

Specialist in Mena, AR · enumerated 2006.

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

National Provider Identifier

1003822016

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Registry record

Entity type Individual (Type 1)

Name John D Mesko

Credential M.D.

Sex Male

Practice address Mena, AR, 71953

Phone (479) 394-4595

Fax (479) 394-1140

Enumeration date Jul 31, 2006

Last updated in NPPES Nov 12, 2010

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

Taxonomy & licenses

174400000X Specialist Other Service Providers · License C6220 (AR) 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
100071960 A	Medicaid	OK	-
112972001	Medicaid	AR	-
50764	Other	AR	BLUE CROSS BLUE SHEILD
710709244	Other	AR	TAX ID #

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

How do I verify John Mesko's NPI record?

Cross-check NPI 1003822016 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1003822016 active?

Yes, as of the latest NPPES snapshot, NPI 1003822016 is active (record last updated 2010-11-12).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-12.