NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ajay Kumar Jain, M.D.

Pediatric Gastroenterology Physician in Saint Louis, MO · enumerated 2009.

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

National Provider Identifier

1518194570

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ajay Kumar Jain
Credential M.D.
Sex Male
Practice address 1465 S Grand Blvd, Saint Louis, MO, 63104
Phone (314) 577-5647
Fax (314) 268-2775
Enumeration date Jun 17, 2009
Last updated in NPPES Jan 12, 2021

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 2008021135 (MO) Secondary
2080P0206X Pediatric Gastroenterology Physician Allopathic & Osteopathic Physicians · License 2008021135 (MO) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Ajay Jain?
The National Provider Identifier (NPI) for Ajay Jain is 1518194570, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ajay Jain practice?
The practice location on file with NPPES is in Saint Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-12.