Ranjani P Ramanathan, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

2007022069 Issued in MO

Practice address

201 BJC Saint Peters Dr Ste 100
Saint Peters, MO 63376-3386

Phone

(636) 916-7235

Fax

(636) 916-9850

NPI assigned

Feb 14, 2007

Last updated

Sep 25, 2025By the provider in NPPES

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

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

EndocrinologyAlso: Internal Medicine

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Physician Groups LCGroup PAC ID 3072421254, 526 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Barnes-Jewish St Peters Hospital Hospital, Saint Peters, MO, CCN 260191
• Progress West Hospital Hospital, Ofallon, MO, CCN 260219
• Christian Hospital Northeast Hospital, Saint Louis, MO, CCN 260180
• Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
• Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rramanathan10311@direct.carenet.org

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

• Physician Groups LC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1285664268

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Physician Groups LC

  dba Medical Arts Clinic

  • Multi-Specialty Clinic/Center
  • Farmington, MO
  • NPI 1427114990
  NPD
• Ozarks Medical Center

  dba Ozarks Healthcare

  • General Acute Care Hospital
  • West Plains, MO
  • NPI 1831115641
  NPD (past)

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

• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  Care Compare affiliation
• Barnes Jewish St Peters Hospital Inc

  dba Barnes-Jewish St Peters Hospital

  • General Acute Care Hospital
  • Saint Peters, MO
  • NPI 1144238908
  Care Compare affiliation
• Christian Hospital Northeast- Northwest

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1639186760
  Care Compare affiliation
• Christian Hospital Northeast-Northwest

  dba Christian Hospital

  • Ambulance
  • Saint Louis, MO
  • NPI 1073769329

  Hospital

  Care Compare affiliation
• Missouri Baptist Medical Center

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1487663506
  Care Compare affiliation
• Progress West Healthcare Center

  • General Acute Care Hospital
  • O'Fallon, MO
  • NPI 1508938044
  Care Compare affiliation

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

{
    "created_epoch": "1171411200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1639212335",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 BJC SAINT PETERS DR STE 100",
            "city": "SAINT PETERS",
            "state": "MO",
            "postal_code": "633763386",
            "telephone_number": "636-916-7235",
            "fax_number": "636-916-9850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 BJC SAINT PETERS DR STE 100",
            "city": "SAINT PETERS",
            "state": "MO",
            "postal_code": "633763386",
            "telephone_number": "636-916-7235",
            "fax_number": "636-916-9850"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "201 Bjc Saint Peters Dr Ste 200",
            "address_purpose": "LOCATION",
            "city": "Saint Peters",
            "state": "MO",
            "postal_code": "633763386",
            "country_code": "US",
            "telephone_number": "636-916-9615",
            "fax_number": "636-916-9850",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAMANATHAN",
        "first_name": "RANJANI",
        "middle_name": "P",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-14",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2007022069",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MO",
            "license": "2007022069",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "201 Bjc Saint Peters Dr Ste 200",
            "city": "Saint Peters",
            "state": "MO",
            "country_code": "US",
            "postal_code": "633763386",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Haley Clare Raftery
• Kaitlin Mackenzie Raftery, MAAT, PLPC, ATR
• Furqan F Raja, MD
• Emily Rall, OTR/L
• Ramak Inc. (Kare Chiropractic)
• Melissa Ramel, PHD, MPH, RD, LD
• Ramic St. Peters, LLC
• Megan Rampani
• Lexi Rain Randman, PMHNP
• Angela Marie Rapp, LPC

• Endocrinology, Diabetes & Metabolism Physician in Saint Peters, MO
• Providers in Saint Peters, MO by specialty
• Endocrinology, Diabetes & Metabolism Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 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.