Jacob Ron Greenmyer, MD

Primary specialty

Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X

License

69582 Issued in MN

Practice address

200 1St St SW
Rochester, MN 55905-0001

Phone

(507) 284-2511

NPI assigned

Mar 30, 2020

Last updated

Jun 19, 2025By the provider in NPPES

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MN

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jgreenmyer608546@ehrdirect.mayoclinicmsg.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.

• Mayo Clinic

  • Multi-Specialty Clinic/Center
  • Rochester, MN
  • NPI 1922074434
  Medicare reassignment NPD
• Mayo Clinic

  • Clinical Medical Laboratory
  • Rochester, MN
  • NPI 1083249577
  NPD

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

{
    "created_epoch": "1585526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750291200000",
    "number": "1891323564",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENMYER",
        "first_name": "JACOB",
        "middle_name": "RON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-30",
        "last_updated": "2025-06-19",
        "certification_date": "2025-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MN",
            "license": "30904",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MN",
            "license": "69582",
            "primary": false
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "MN",
            "license": "69582",
            "primary": true
        },
        {
            "code": "207QH0002X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Hospice and Palliative Medicine",
            "state": "MN",
            "license": "69582",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jgreenmyer608546@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559050001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Emma Green
• Isabel C Green, M.D.
• Eddie Leon Greene, M.D.
• Andrew Christopher Greenlund, M.D.
• Laura Greenlund, M.D., PH.D.
• Andrew Charles Greenslade, DMD
• Nachole Greenslade
• Jason Derek Greenwood, MD
• Katie Greger
• Kirby John Greger

• Pediatric Hematology & Oncology Physician in Rochester, MN
• Providers in Rochester, MN by specialty
• Pediatric Hematology & Oncology Physician in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.