Mark Gregory Smith, RRT

Primary specialty

Registered Respiratory TherapistTaxonomy code 227900000X

License

YM006446L Issued in PA

Practice address

4549 Candlewood PL
Apt. 305
Rapid City, SD 57702-1605

Phone

(240) 422-1979

NPI assigned

May 4, 2007

Sex

Male

Sole proprietor

Yes

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1178236800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1629280599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4549 CANDLEWOOD PL",
            "address_2": "APT. 305",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577021605",
            "telephone_number": "240-422-1979"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4549 CANDLEWOOD PL",
            "address_2": "APT. 305",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577021605",
            "telephone_number": "240-422-1979"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SMITH",
        "first_name": "MARK",
        "middle_name": "GREGORY",
        "name_prefix": "Mr.",
        "credential": "RRT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-05-04",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "227900000X",
            "taxonomy_group": "",
            "desc": "Respiratory Therapist, Registered",
            "state": "DC",
            "license": "RC250",
            "primary": false
        },
        {
            "code": "227900000X",
            "taxonomy_group": "",
            "desc": "Respiratory Therapist, Registered",
            "state": "PA",
            "license": "YM006446L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hailey Smith
• Jennifer K Smith, LMT
• Josh Brian Smith
• Maren Jane Smith, PT, DPT
• Mark Smith
• Melissa M Smith, PHARMD, RPH
• Melissa M Smith, LMHC, LPC-MH
• Nathaniel L Smith, MD
• Rochelle Smith
• Steffan Smith

• Registered Respiratory Therapist in Rapid City, SD
• Providers in Rapid City, SD by specialty
• Registered Respiratory Therapist in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.