John Feemster

Primary specialty

Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X

License

82725 Issued in MN

Practice address

200 1St St SW
Rochester, MN 55905-0001

Phone

(507) 284-2511

NPI assigned

May 20, 2022

Last updated

Jul 1, 2026By 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MD

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

Sleep Medicine

Education

Medical College of Wisconsin, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mayo ClinicGroup PAC ID 6507778255, shared by 5 NPIs, 4,829 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Medicare enrollment (NPD)

Enrolled

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

• The Johns Hopkins Hospital

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1578597993
  Care Compare affiliation

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

{
    "created_epoch": "1653004800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782864000000",
    "number": "1124766118",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "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": [
        {
            "address_1": "4940 Eastern Ave",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212242735",
            "country_code": "US",
            "telephone_number": "410-550-0526",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FEEMSTER",
        "first_name": "JOHN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-20",
        "last_updated": "2026-07-01",
        "certification_date": "2026-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "MN",
            "license": "82725",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Olivia Febles Simeon, MD
• Jessica T Feda, P.T.
• Timothy P Fedje, PT
• Kelliann Catherine Fee-Schroeder, DNP
• Molly A. Feely, MD
• Xiaoyan Fei, LICSW
• Donald J Feist, M.D.
• Donald Luke Fejfar, MD
• Nicholas Austin Felan, MD
• Andrew L Feldman, M.D.

• Sleep Medicine (Internal Medicine) Physician in Rochester, MN
• Providers in Rochester, MN by specialty
• Sleep Medicine (Internal Medicine) Physician in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 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.