Mathavi Sahadevan, MD
NPI 1871022095 · Internal Medicine Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mathavi Sahadevan, MD is a Internal Medicine Physician provider in Chesterfield, MO (NPI 1871022095).
Provider details
- NPI number
- 1871022095
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2021050221 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (3)
- 1 Good Samaritan WayMount Vernon, IL 62864-2402Phone: (618) 242-4600
- 1035 Bellevue Ave Ste 400Saint Louis, MO 63117-1844Phone: (314) 925-4700
- 9701 Landmark Parkway Dr Ste 207Saint Louis, MO 63127-1665Phone: (314) 849-8700
Registry dates
- Enumerated
- 2017-06-09
- Last updated
- 2025-11-07
- Certified
- 2025-11-07
Frequently asked questions
- What is Mathavi Sahadevan's NPI number?
- Mathavi Sahadevan's National Provider Identifier (NPI) is 1871022095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mathavi Sahadevan's specialty?
- Mathavi Sahadevan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mathavi Sahadevan located?
- Mathavi Sahadevan's practice location on file with NPPES is 16216 Baxter Rd Ste 299, Chesterfield, MO 63017-4778.
- What is Mathavi Sahadevan's phone number?
- The practice phone number listed in the NPPES registry for Mathavi Sahadevan is (636) 536-2600.
- Does Mathavi Sahadevan accept Medicare?
- Mathavi Sahadevan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mathavi Sahadevan's NPI active?
- Yes — Mathavi Sahadevan's NPI (1871022095) is active in the NPPES registry as of the last update on 2025-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.