Greg Terrasas, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

4703 Issued in SD

Practice address

216 Anamaria Dr
Rapid City, SD 57701-7366

Phone

(605) 721-0337

Fax

(605) 721-0043

NPI assigned

Sep 12, 2005

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

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Black Hills Surgical Hospital, LLP

  dba West River Ear, Nose, and Throat

  • Surgery Physician
  • Rapid City, SD
  • NPI 1417304924
  NPD (past)
• Caritas Physician Group, Inc.

  • Mammography Clinic/Center
  • Louisville, KY
  • NPI 1053485417
  NPD (past)

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

{
    "created_epoch": "1126483200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1861486375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3911 CITY VIEW DR",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577012367",
            "telephone_number": "605-721-7447"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "216 ANAMARIA DR",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577017366",
            "telephone_number": "605-721-0337",
            "fax_number": "605-721-0043"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TERRASAS",
        "first_name": "GREG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "SD",
            "license": "4703",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5700880",
            "state": "SD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Helen Mehari Teklay, PHARM.D
• Natasha A. Telesford, MD
• Courtney Temple
• Darla Jean Tenglin, CRNA,MS
• Richard C Tenglin, MD
• Mark Allen Terry, DDS
• Susan Terveen, MS
• Kelli Ann Tesch, LMT
• Larry L Teuber, M.D.
• Shailesh Thapa

• Anesthesiology Physician in Rapid City, SD
• Providers in Rapid City, SD by specialty
• Anesthesiology Physician in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.