NPI Portal NPI Lookup & Verification

John M Clark, MD

John M Clark is a Neonatal-Perinatal Medicine Physician provider (Pediatrics) practicing in Ogden, UT, registered in the NPPES registry with NPI 1215940333 since 2006. The credential MD stands for Doctor of Medicine.

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NPI 1215940333
Entity type Individual (Type 1)
Name John M Clark
Credential MD
Sex Male
Practice address 4401 HARRISON BLVD, Ogden, UT, 84403
Phone 8013874300
Enumeration date 2006-08-14
Last updated in NPPES 2010-05-03

Taxonomy & licenses

Taxonomy code Specialty Primary License State
2080N0001X Neonatal-Perinatal Medicine Physician Primary 1578301205 UT

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
157830-1205 Other UT PROFESSIONAL STATE LICENSE
Copy-ready billing details
Provider: John Clark, MD
NPI: 1215940333
Taxonomy: 2080N0001X (Neonatal-Perinatal Medicine Physician)
Address: 4401 HARRISON BLVD, Ogden, UT, 84403

Other providers at this practice address

NPI Name Type Specialty Location
1982696159 Leta Fuller Individual Neonatal-Perinatal Medicine Physician Ogden, UT
1538142922 Paul Thorpe Individual Anatomic Pathology & Clinical Pathology Physician Ogden, UT
1053390344 Victoria Delli Gatti Individual Nurse Practitioner Ogden, UT
1336102979 David Houghton Individual Hospitalist Physician Ogden, UT
1982652046 Nancy Lawless Individual Critical Care Medicine (Internal Medicine) Physician Ogden, UT
1942246566 David Stettler Individual Anesthesiology Physician Ogden, UT
1306872437 Cameron Burrup Individual Anesthesiology Physician Ogden, UT
1306875489 Bentley Mcentire Individual Hospitalist Physician Ogden, UT

Verify this record

Cross-check NPI 1215940333 against the authoritative CMS record: view John M Clark on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does John Clark practice?
The practice location on file with NPPES is in Ogden, UT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Clark?
The National Provider Identifier (NPI) for John Clark is 1215940333, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2010-05-03.