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John A Merkle, MD

Diagnostic Radiology Physician in St Louis, MO · enumerated 2006.

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

National Provider Identifier

1023051349

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Registry record

Entity type Individual (Type 1)
Name John A Merkle
Credential MD
Sex Male
Practice address 774 N New Ballas Rd, St Louis, MO, 63141
Phone (314) 567-1656
Fax (314) 567-0622
Enumeration date Jun 14, 2006
Last updated in NPPES Dec 4, 2007

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License R6D30 (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
183229 Other - HEALTHLINK
1601253 Other - UHC
1601058 Other - UHC
202788410 Medicaid MO -
1015722 Other - CARE PRT
202788410 Other - HEALTHCARE USA

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

Is NPI 1023051349 active?
Yes, as of the latest NPPES snapshot, NPI 1023051349 is active (record last updated 2007-12-04).
How do I verify John Merkle's NPI record?
Cross-check NPI 1023051349 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-04.