Mathavi Sahadevan, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

2021050221 Issued in MO

Practice address

16216 Baxter Rd Ste 299
Chesterfield, MO 63017-4778

Phone

(636) 536-2600

NPI assigned

Jun 9, 2017

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Allergy, Asthma and Sinus Care Center, LLCGroup PAC ID 5092817502, 11 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Allergy, Asthma & Sinus Care Center, LLC

  dba Allergy, Asthma & Food Centers of St. Louis

  • Allergy Physician
  • Saint Louis, MO
  • NPI 1417034695
  Medicare reassignment Care Compare group NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1496966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1871022095",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 874797",
            "city": "KANSAS CITY",
            "state": "MO",
            "postal_code": "641874797",
            "telephone_number": "314-849-8700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16216 BAXTER RD STE 299",
            "city": "CHESTERFIELD",
            "state": "MO",
            "postal_code": "630174778",
            "telephone_number": "636-536-2600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1035 Bellevue Ave Ste 400",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631171844",
            "country_code": "US",
            "telephone_number": "314-925-4700",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9701 Landmark Parkway Dr Ste 207",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631271665",
            "country_code": "US",
            "telephone_number": "314-849-8700",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Good Samaritan Way",
            "address_purpose": "LOCATION",
            "city": "Mount Vernon",
            "state": "IL",
            "postal_code": "628642402",
            "country_code": "US",
            "telephone_number": "618-242-4600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SAHADEVAN",
        "first_name": "MATHAVI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-09",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2021050221",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036.153168",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "YHZ71660775",
            "state": "NJ"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "msahadevan376594@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "msahadevan376594@direct-ehr-ssmhc.com",
            "address_1": "1035 Bellevue Ave Ste 400",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631171844",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• S and L Drugs Inc (Kaye Pharmacy)
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• Scott G Sagett, M.D.
• Sonny S Saggar, M.D.
• Virender Singh Saini, M.D.
• Bakr Salem, M.D.
• Habbouba Salibi
• Milton Sallis, MD
• Sam'S Club Optical (Sam's Club Optical 30-6252)

• Internal Medicine Physician in Chesterfield, MO
• Providers in Chesterfield, MO by specialty
• Internal Medicine Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.