Quick answers
- Where does Mathavi Sahadevan see patients?
- Medicare's clinician data lists 2 practice locations, including Chesterfield, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Mathavi Sahadevan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mathavi Sahadevan accept Medicare assignment?
- Yes. Medicare's clinician data says Mathavi Sahadevan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mathavi Sahadevan?
- (314) 849-8700, as listed in official Medicare / NPI Registry data.
- What is Mathavi Sahadevan's NPI number?
- 1871022095. 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 Mathavi Sahadevan is enrolled with Medicare (CMS data updated 2026-10-02).
- 16216 Baxter RdChesterfield, MO 63017 (314) 849‑8700
- 9701 Landmark Pkwy Dr, Suite 207Saint Louis, MO 63127 (314) 849‑8700
Group practices
Medicare enrollment lists Mathavi Sahadevan as a member of this group (CMS data updated 2026-10-02).
- Allergy, Asthma and Sinus Care Center, LLC10 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871022095 |
| 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 2026-10-02, retrieved 2026-10-29
- 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