Henry Siem, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

DR.0068922 Issued in CO

Practice address

1633 Medical Center PT
Colorado Springs, CO 80907-5700

Phone

(719) 598-9446

Fax

(719) 598-5734

NPI assigned

May 10, 2013

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 CO

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

Family Practice

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Optumcare Colorado Medical Group LLCGroup PAC ID 2769706431, 187 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• At Home Healthcare Home health agency, Denver, CO, CCN 067255
• Centura Health-Penrose St Francis Health Services Hospital, Colorado Springs, CO, CCN 060031

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hsiem119287@westdirect.optum.com

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.

• Optumcare Colorado Medical Group LLC

  • General Practice Physician
  • Colorado Springs, CO
  • NPI 1407252828
  Medicare reassignment Care Compare group NPD
• Optumcare Colorado Medical Group LLC

  • Family Medicine Physician
  • Colorado Springs, CO
  • NPI 1902437874
  NPD
• Optumcare Colorado Medical Group LLC

  • Rheumatology Physician
  • Boulder, CO
  • NPI 1922893478
  NPD
• Optumcare Colorado Medical Group LLC

  • Family Medicine Physician
  • Colorado Springs, CO
  • NPI 1528190295
  NPD (past)

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

• Catholic Health Initiatives Colorado

  • General Acute Care Hospital
  • Colorado Springs, CO
  • NPI 1801436415
  Care Compare affiliation
• Catholic Health Initiatives Colorado

  • General Acute Care Hospital
  • Colorado Springs, CO
  • NPI 1932112125
  Care Compare affiliation
• LHCG Lvii, LLC

  • Home Health Agency
  • Denver, CO
  • NPI 1730595307
  Care Compare affiliation

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

{
    "created_epoch": "1368144000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1457797995",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1633 MEDICAL CENTER PT",
            "city": "COLORADO SPRINGS",
            "state": "CO",
            "postal_code": "809075700",
            "telephone_number": "719-598-9446",
            "fax_number": "719-598-5734"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEM",
        "first_name": "HENRY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-05-10",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CO",
            "license": "DR.0068922",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dennis Dwayne Siefker, MA LPC MFC
• Jennifer Siegal, RMT
• Justin A Siegel
• Mindy Siegel, MD
• Shelly Sieligowski, LSW
• Fulufhelo Siema
• Mark A. Siemer, D.O.
• Adrian Sierra
• Nancy Gail Siever, MA, PSYCHOTHERAPIST
• Daniel Sigars, D.C.

• Family Medicine Physician in Colorado Springs, CO
• Providers in Colorado Springs, CO by specialty
• Family Medicine Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 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.