Rachel Maas Rost

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Practice address

4302 Titan Dr
Rapid City, SD 57701-4312

Phone

(406) 309-6017

NPI assigned

Aug 12, 2019

Sex

Female

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 MT

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Sara Boilen, PSYD, PLLC

  • Psychologist
  • Whitefish, MT
  • NPI 1477070738
  NPD (past)
• Sara Boilen, PSYD, PLLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Whitefish, MT
  • NPI 1821692203

  Clinical

  NPD (past)

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

{
    "created_epoch": "1565568000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1689220097",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4302 TITAN DR",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577014312",
            "telephone_number": "406-309-6017"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4302 TITAN DR",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577014312",
            "telephone_number": "406-309-6017"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "511 Relentless Dr Unit B",
            "address_purpose": "LOCATION",
            "city": "Belgrade",
            "state": "MT",
            "postal_code": "597144268",
            "country_code": "US",
            "telephone_number": "406-309-6017",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ROST",
        "first_name": "RACHEL",
        "middle_name": "MAAS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-12",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Root and Bloom LLC
• Elmo J Rosario, MD
• Patrick D Roseland, CRNA
• Charles Lowell Roskam IV
• Steven M Ross, MD
• Megan Renee Rotella, O.D.
• Roth Counseling
• Roth Haave LLC
• Connie Roth
• Mary Kay Roth, DDS

• Clinical Social Worker in Rapid City, SD
• Providers in Rapid City, SD by specialty
• Clinical Social Worker in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 10, 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.