Mathavi Sahadevan, MD
Internal Medicine Physician · Chesterfield, MO
Mathavi Sahadevan, MD is an internal medicine physician with a practice address in Chesterfield, Missouri, and NPI 1871022095, issued on Jun 9, 2017. Check the license (Missouri 2021050221, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mathavi Sahadevan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2021050221 MO
036.153168 IL
Self-reported in NPPES; status is on the state search - Practice location
- 16216 Baxter RD Ste 299, Chesterfield, MO 63017
- Phone
- (636) 536-2600
- Enumerated
- Jun 9, 2017
- Record last updated
- Nov 7, 2025
- Medicaid ID
- YHZ71660775 NJ
- Medicare enrollment
- Enrolled (PECOS I20250910003919); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Verify Mathavi Sahadevan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2021050221Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Allergy, Asthma And Sinus Care Center, LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mathavi Sahadevan among 2,604 internal medicine physician records in Missouri
Mathavi Sahadevan, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 67% of them.
- NPI issued2017 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2017 · median 2006 among the 1,443 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
142 internal medicine physician records list a practice address in Chesterfield
They are 142 of the 2,132 NPPES records with a practice address in Chesterfield, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Chesterfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammad Ahmed, MDChesterfield, MO 630171386636447
- Kae Chang, MDChesterfield, MO 630171316910243
- John Davidson, MDChesterfield, MO 630171306833801
- David Galli, M.D.Chesterfield, MO 630171255323374
- Thomas Hastings, MDChesterfield, MO 630171841281870
- John Helton, MDChesterfield, MO 630171417921156
- Richard Kozeny, MDChesterfield, MO 630171255319810
- Mark Novack, MDChesterfield, MO 630171114918737
Common questions
What is Mathavi Sahadevan, MD's NPI number?
Mathavi Sahadevan, MD's National Provider Identifier (NPI) is 1871022095, issued on Jun 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mathavi Sahadevan, MD located?
The NPPES record lists a practice address at 16216 Baxter RD Ste 299, Chesterfield, MO, 63017. Phone: (636) 536-2600. Providers update this record themselves, so call before visiting.
How can I verify Mathavi Sahadevan, MD's license?
NPPES lists Missouri license number 2021050221, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.