Individual provider Active NPI

Rahul Chakravarthi Ramaswamy, MD

  • Internal Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1275277311
Registry record updated Sep 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2024026329 Issued in MO
Practice address
1 Barnes Jewish Hospital PLZ
Div Im General Med
Saint Louis, MO 63110-1003
Phone
(314) 747-3000
Fax
(314) 996-8436
NPI assigned
Apr 25, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 26, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2024026329 MO Primary

Addresses

Primary practice location

1 Barnes Jewish Hospital PLZ
Div Im General Med
Saint Louis, MO 63110-1003

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 747-3000

Other practice location 1

915 N Grand Blvd
Saint Louis, MO 63106-1621
Phone (614) 805-1817

Other identifiers 1

IdentifierTypeStateIssuer
200110997MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250729002466 MO Practitioner - Internal Medicine 8224545769 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Vanderbilt University School of Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

1 Barnes Jew Hosp PLZ
Saint Louis, MO 63110-1003
Phone (314) 747-3000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
2024026329MOMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Jun 23, 2025 Accepting new patients
Washington University CurrentSince Jun 23, 2025 Accepting new patients
Washington University Past Accepting new patients
Barnes Jewish Hospital Past Accepting new patients

Locations

660 S Euclid Ave
#8121
Saint Louis, MO 63110
Phone (314) 362-8064

1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-1700

8 Millstone Campus Dr
Saint Louis, MO 63146
Phone (314) 273-4375

915 N Grand Blvd
Saint Louis, MO 63106
Phone (314) 289-6434

1234 S Kingshighway Blvd
Ste 1100
Saint Louis, MO 63110

4901 Forest Park Ave
Ste 241
Saint Louis, MO 63108
Phone (314) 747-5361

Interoperability endpoints

  • FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Organizations & group practices 4

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1650844800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758844800000",
    "number": "1275277311",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-747-3000",
            "fax_number": "314-996-8436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "address_2": "DIV IM GENERAL MED",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-747-3000",
            "fax_number": "314-996-8436"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "915 N Grand Blvd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631061621",
            "country_code": "US",
            "telephone_number": "614-805-1817",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAMASWAMY",
        "first_name": "RAHUL",
        "middle_name": "CHAKRAVARTHI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-25",
        "last_updated": "2025-09-26",
        "certification_date": "2025-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2024026329",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200110997",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_2": "Div IM General Med",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.