Jesse Meir Zaretsky, MD PHD

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

2022036641 Issued in MO

Practice address

4500 Forest Park Ave
Div Im Medical Oncology, Ste 1B
Saint Louis, MO 63108-2114

Phone

(314) 747-1171

Fax

(314) 362-7086

NPI assigned

Jun 18, 2019

Sex

Male

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, IL2 enrollments

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 2

Specialty

Medical OncologyAlso: Internal Medicine

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Washington University Physicians in Illinois IncGroup PAC ID 4789945163, 168 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

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.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1992746903
  Medicare reassignment Care Compare group NPD
• Washington University Physicians in Illinois, Inc

  • Multi-Specialty Clinic/Center
  • O Fallon, IL
  • NPI 1477076263
  Medicare reassignment Care Compare group NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1962442475
  NPD
• Washington University Physicians in Illinois, Inc

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1457203135
  NPD
• Washington University Physicians in Illinois, Inc

  • Multi-Specialty Clinic/Center
  • Shiloh, IL
  • NPI 1356822993
  NPD

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": "1560816000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780012800000",
    "number": "1760042089",
    "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": "314-747-1171",
            "fax_number": "314-362-7086"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 FOREST PARK AVE",
            "address_2": "DIV IM MEDICAL ONCOLOGY, STE 1B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631082114",
            "telephone_number": "314-747-1171",
            "fax_number": "314-362-7086"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZARETSKY",
        "first_name": "JESSE",
        "middle_name": "MEIR",
        "name_prefix": "Dr.",
        "credential": "MD PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-18",
        "last_updated": "2026-05-29",
        "certification_date": "2025-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MO",
            "license": "2022036641",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2022036641",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200073280",
            "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": "4500 Forest Park Ave",
            "address_2": "Div IM Medical Oncology, Ste 1B",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631082114",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Emma Zang
• Elke Zani-Ruttenstock, MD
• Augusto Zani, MD
• Emily Whitaker Zantow, M.D.
• Estefania Zapata Rodriguez, DPT
• Brittany Zaring, RD
• Allison Zaromb, DMD
• Choendal Marlaan Zasaretti, MD
• Madeline Rebecca Zatezalo, AUD
• Sneha Zaveri, PHARMD

• Medical Oncology Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Medical Oncology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 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.