Max Christian Petersen, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

2020015426 Issued in MO

Practice address

4921 Parkview PL
Div Im Endocrinology, Ste 13B
Saint Louis, MO 63110-1032

Phone

(314) 362-3500

Fax

(314) 230-1119

NPI assigned

Apr 24, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

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

EndocrinologyAlso: Internal Medicine

Education

Yale University School of Medicine, 2018

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)

Hospital & facility affiliations

• Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
• Memorial Hospital Hospital, Belleville, IL, CCN 140185

Merit-based Incentive Payment System (MIPS)

Final score

84.2 of 100Reported as group

Quality

71.6

Promoting interoperability

100

Improvement activities

40

Cost

75.75

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: mpeterson1260961@direct.carenet.org
• FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1992746903
  Medicare reassignment Care Compare group
• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  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
• Protestant Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Belleville, IL
  • NPI 1982796181
  Care Compare affiliation

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

{
    "created_epoch": "1524528000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746144000000",
    "number": "1184112344",
    "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": "314-362-3500",
            "fax_number": "314-230-1119"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4921 PARKVIEW PL",
            "address_2": "DIV IM ENDOCRINOLOGY, STE 13B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101032",
            "telephone_number": "314-362-3500",
            "fax_number": "314-230-1119"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETERSEN",
        "first_name": "MAX",
        "middle_name": "CHRISTIAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-24",
        "last_updated": "2025-05-02",
        "certification_date": "2025-05-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": "MO",
            "license": "2020015426",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2020015426",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2020015426",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MO",
            "license": "2020015426",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200086114",
            "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": "4921 Parkview Pl",
            "address_2": "Div IM Endocrinology, Ste 13B",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Diane M Petersen, M.D.
• Joan Cassilly Petersen, LCSW
• Kathleen Geryl Petersen, PH.D.
• Lauren Petersen
• Mathew James Petersen, ATC
• Rebecca Jo Petersen, FNP
• Rebecca Y. Petersen, MD
• Robert Lynn Petersen, MD
• William C Petersen, PH.D.
• Danielle Lee Petersmith, CRNA

• 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 May 2, 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.