Mason Merck

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

502 E Monroe St
Rapid City, SD 57701-1400

Phone

(605) 755-4060

Fax

(605) 755-4012

NPI assigned

Apr 8, 2024

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Medicare enrollment (NPD)

Enrolled

Interoperability endpoints

• Direct secure messaging: mmerck.169838@regionalhealth.sdhealthlink.net

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

{
    "created_epoch": "1712534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1306699889",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "502 E MONROE ST",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577011400",
            "telephone_number": "605-755-4060",
            "fax_number": "605-755-4012"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "502 E MONROE ST",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577011400",
            "telephone_number": "605-755-4060",
            "fax_number": "605-755-4012"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3318 N 14th St",
            "address_purpose": "LOCATION",
            "city": "Bismarck",
            "state": "ND",
            "postal_code": "585031614",
            "country_code": "US",
            "telephone_number": "701-323-8870",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MERCK",
        "first_name": "MASON",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-04-08",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "ND",
            "license": "24551",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jamie Marie Mentzer, PT, DPT
• Angela Meraz, PA
• Ashli Merchen
• Brittany Merchen
• Gordon D. Merchen, CRNA
• Elizabeth Mercurio
• Kristoffer Scott Meredith, RPT
• Chase Merfeld, MS, RD, LN
• Breanna Merhar, MA, BCBA
• Barbara J Merriman, DO

• Student in an Organized Health Care Education/Training Program in Rapid City, SD
• Providers in Rapid City, SD by specialty
• Student in an Organized Health Care Education/Training Program in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 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.