James Robert Etzkorn, M.D.

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

R5648 Issued in MO

Practice address

2821 N Ballas Rd
Saint Louis, MO 63131-2321

Phone

(314) 995-9718

Fax

(314) 995-7196

NPI assigned

Jun 2, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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 MedicineAlso: Endocrinology

Education

Saint Louis University School of Medicine, 1973

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
• Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
• Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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
• Mercy Hospitals East Communities

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1427098169
  Care Compare affiliation
• Mercy Hospitals East Communities

  • Land Ambulance
  • Saint Louis, MO
  • NPI 1881329902

  Hospital

  Care Compare affiliation
• Missouri Baptist Medical Center

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1487663506
  Care Compare affiliation

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

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1124066253",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2821 N BALLAS RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631312321",
            "telephone_number": "314-995-9718",
            "fax_number": "314-995-7196"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2821 N BALLAS RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631312321",
            "telephone_number": "314-995-9718",
            "fax_number": "314-995-7196"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ETZKORN",
        "first_name": "JAMES",
        "middle_name": "ROBERT",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MO",
            "license": "R5648",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madison Clare Etling, DDS
• Etoya R. White Therapy & Coaching LLC
• Charles David Ettelson, M.D.
• Oscar Etuk, D.P.M
• Courtney Anne Etzkorn, O.D.
• Ann Louise Eubanks, PT, MHS
• Martha Eubanks, SLP
• Euclid Primary Care, P.C.
• Molly Euler, RN
• Vanessa Eulo, M.D.

• Endocrinology, Diabetes & Metabolism Physician in Saint Louis, MO
• Providers in Saint Louis, 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 Jul 13, 2026; 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.