DR. MATHAVI SAHADEVAN MD
NPI 1871022095
Internal Medicine in Chesterfield, MO
About Dr. Mathavi Sahadevan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATHAVI SAHADEVAN MD (NPI 1871022095) is an individual internal medicine provider in Chesterfield, Missouri, licensed in Missouri (2021050221) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mathavi Sahadevan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mathavi Sahadevan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63127
- Reassigned Medicare billing, Missouri enrollment
- 12 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63017 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mathavi Sahadevan's NPI number?
The NPI number for Mathavi Sahadevan is 1871022095. It was assigned to this individual provider in the NPPES registry on June 9, 2017.
Where is Mathavi Sahadevan located?
Mathavi Sahadevan practices at 16216 Baxter Rd Ste 299, Chesterfield, MO 63017. The listed phone number is (636) 536-2600.
What is Mathavi Sahadevan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mathavi Sahadevan enrolled in Medicare?
Yes. Mathavi Sahadevan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mathavi Sahadevan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mathavi Sahadevan reassigns Medicare benefits to Allergy, Asthma & Sinus Care Center, LLC (Saint Louis, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mathavi Sahadevan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mathavi Sahadevan accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company and UnitedHealthcare list Mathavi Sahadevan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mathavi Sahadevan was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Mathavi Sahadevan, MD · NPI 1871022095
Internal Medicine physician in Chesterfield, Missouri. Individual provider, active in the CMS NPPES registry since June 9, 2017.
## Identity
- **NPI:** 1871022095 (Entity type: Individual)
- **Enumerated:** June 9, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2021050221 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 16216 BAXTER RD STE 299, Chesterfield, MO 63017-4778
- **Phone:** (636) 536-2600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Allergy, Asthma & Sinus Care Center, LLC (NPI 1417034695, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** November 7, 2025
- **Other identifiers:** Medicaid YHZ71660775 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1871022095) · Data from the CMS NPPES public registry.