Robert Sage, M.D.

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

8156 Issued in SD

Practice address

2820 Mount Rushmore Rd Ste 200
Rapid City, SD 57701-5462

Phone

(605) 608-3376

Fax

(605) 608-3550

NPI assigned

Aug 14, 2007

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in SD

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

Dermatology

Education

Sanford School of Medicine of University of South Dakota, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rushmore Dermatology LLPGroup PAC ID 0840767059, 7 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: robert.sage@rcmc.eclinicaldirectplus.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.

• Rushmore Dermatology, LLP

  • Dermatology Physician
  • Rapid City, SD
  • NPI 1184583726
  Medicare reassignment Care Compare group NPD Authorized official
• Rapid City Medical Center, LLP

  • Multi-Specialty Clinic/Center
  • Rapid City, SD
  • NPI 1487602843
  NPD

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

{
    "created_epoch": "1187049600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778803200000",
    "number": "1861684748",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1737",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577091737",
            "telephone_number": "605-608-3376",
            "fax_number": "605-608-3550"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2820 MOUNT RUSHMORE RD STE 200",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577015462",
            "telephone_number": "605-608-3376",
            "fax_number": "605-608-3550"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAGE",
        "first_name": "ROBERT",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-08-14",
        "last_updated": "2026-05-15",
        "certification_date": "2026-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ND0101X",
            "taxonomy_group": "",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "SD",
            "license": "8156",
            "primary": false
        },
        {
            "code": "207NS0135X",
            "taxonomy_group": "",
            "desc": "Dermatology, Procedural Dermatology",
            "state": "SD",
            "license": "8156",
            "primary": false
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "SD",
            "license": "8156",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 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.