Quick answers
- Does Ajay K. Jain accept Medicare assignment?
- Yes. Medicare's clinician data says Ajay K. Jain accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Ajay K. Jain's NPI number?
- 1518194570. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ajay K. Jain is enrolled with Medicare (CMS data updated October 2, 2026).
- 10101 Woodfield LnSaint Louis, MO 63132 (608) 280‑4647
- 1465 S Grand BlvdSaint Louis, MO 63104 (314) 577‑5641
Group practices
Medicare enrollment lists Ajay K. Jain as a member of this group (CMS data updated October 2, 2026).
- SSM Health Care Group940 clinicians in the group
Specialties
- Gastroenterologyprimary
- Pediatric Medicinealso
Other gastroenterologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in SSM Health Care Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518194570 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians