John Karstens

Primary specialty

Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X

License

OS023662 Issued in PA

Practice address

204 W 26TH St
Erie, PA 16508-1806

Phone

(814) 868-7581

Fax

(814) 866-3580

NPI assigned

Mar 27, 2021

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

Medicare fee-for-service enrollment

Enrolled in PA

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

New York College of Osteo Medicine of New York Institute of Technology, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

St Vincent Medical Education and Research Institute IncGroup PAC ID 3870405137, 297 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Vincent Hospital Hospital, Erie, PA, CCN 390009

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jkarstens1038864@direct.ahn.org

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.

• St Vincent Medical Education and Research Institute Inc

  • Internal Medicine Physician
  • Erie, PA
  • NPI 1902881477
  Medicare reassignment Care Compare group NPD
• Saint Vincent Consultants in Cardiovascular Diseases

  • Cardiovascular Disease Physician
  • Erie, PA
  • NPI 1902114911
  NPD (past)

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

• Saint Vincent Health Center

  • General Acute Care Hospital
  • Erie, PA
  • NPI 1861435042
  Care Compare affiliation

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

{
    "created_epoch": "1616803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755820800000",
    "number": "1457938169",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2314 SASSAFRAS ST STE 2",
            "city": "ERIE",
            "state": "PA",
            "postal_code": "165022721",
            "telephone_number": "144-525-0438",
            "fax_number": "814-452-7005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "204 W 26TH ST",
            "city": "ERIE",
            "state": "PA",
            "postal_code": "165081806",
            "telephone_number": "814-868-7581",
            "fax_number": "814-866-3580"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARSTENS",
        "first_name": "JOHN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-27",
        "last_updated": "2025-08-22",
        "certification_date": "2025-08-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OS023662",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "PA",
            "license": "OS023662",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julia Heya Karcic, DPM
• Nancy Lucille Kardos, PTA
• Mohammad Karim
• Dawn Elizabeth Karns, D.O.
• Joshua Karr
• Jason Kartesz
• Maria Kasak
• Erin Marie Kaschalk, CRNP
• Timothy Kaselitz
• Alexander Jonathan Kass, OD

• Sleep Medicine (Internal Medicine) Physician in Erie, PA
• Providers in Erie, PA by specialty
• Sleep Medicine (Internal Medicine) Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 22, 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.