Steven C Harnack, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036-078536 Issued in IL

Practice address

3000 Lawrence St # 101
Denver, CO 80205-3422

Phone

(720) 689-5269

NPI assigned

Jul 17, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MN, TX, OH, CO4 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 4

Specialty

Internal Medicine

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1990

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Cirrusmd Medical Group of Delaware, P.a.

  • Family Medicine Physician
  • Denver, CO
  • NPI 1922664200

  MN, OH

  Medicare reassignment NPD
• Cmdpn Medical Group of Texas, P.a.

  • Family Medicine Physician
  • Dallas, TX
  • NPI 1174082150
  Medicare reassignment

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

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1982622387",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2357 SEQUOIA DR",
            "city": "AURORA",
            "state": "IL",
            "postal_code": "605066222",
            "telephone_number": "630-859-6800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3000 LAWRENCE ST # 101",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802053422",
            "telephone_number": "720-689-5269"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "270 Bellevue Ave # 1084",
            "address_purpose": "LOCATION",
            "city": "Newport",
            "state": "RI",
            "postal_code": "028403516",
            "country_code": "US",
            "telephone_number": "720-689-5269",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARNACK",
        "first_name": "STEVEN",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-078536",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036078536",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Harmony Healthcare Services LLC
• Harmony Hill Healthcare, Inc.
• Harmony Hill Healthcare, Inc.
• Harmony Psychiatry & Wellness LLC
• Hudson J Harms
• Jennifer Harned Adams, PHD
• Harnews Senior Rest Haven
• Jeffrey Joseph Harnsberger, RPH
• Bradley Gene Harold, R.N.
• Hannah Harold

• Internal Medicine Physician in Denver, CO
• Providers in Denver, CO by specialty
• Internal Medicine Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 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.