Sierra Dawn Gross, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

10930A Issued in WY

Practice address

1333 W 5TH St, Ste 112
Sheridan, WY 82801-2752

Phone

(307) 675-2650

Fax

(307) 675-2651

NPI assigned

Mar 31, 2014

Sex

Female

Sole proprietor

No

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.

• Memorial Hospital of Sheridan County

  • General Acute Care Hospital
  • Sheridan, WY
  • NPI 1487707188
  Medicare reassignment Care Compare group WY
• Big Horn Health Network

  • Internal Medicine Physician
  • Sheridan, WY
  • NPI 1861722688
  Medicare reassignment NPD INTERNAL MEDICINE · WY
• Memorial Hospital of Sheridan County

  • Community Based Hospice Care Agency
  • Sheridan, WY
  • NPI 1144359423
  Care Compare group
• Memorial Hospital of Sheridan County

  • Medicare Defined Swing Bed Hospital Unit
  • Sheridan, WY
  • NPI 1184753261
  Care Compare group
• Memorial Hospital of Sheridan County

  • Home Health Agency
  • Sheridan, WY
  • NPI 1851420939
  Care Compare group
• Gastroenterology Associates, LLC

  • Gastroenterology Physician
  • Casper, WY
  • NPI 1811909807
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Campbell County Hospital District

  • General Acute Care Hospital
  • Gillette, WY
  • NPI 1487638417
  Care Compare affiliation Hospital
• Campbell County Hospital District

  • Ambulatory Surgical Clinic/Center
  • Gillette, WY
  • NPI 1780738153
  Care Compare affiliation Hospital
• Johnson County Memorial Hospital

  • Critical Access Hospital
  • Buffalo, WY
  • NPI 1003894122
  Care Compare affiliation Hospital
• Memorial Hospital of Sheridan County

  • General Acute Care Hospital
  • Sheridan, WY
  • NPI 1487707188
  Care Compare affiliation Hospital

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Alternative Elder Living, Inc.

  • Skilled Nursing Facility
  • Sheridan, WY
  • NPI 1396034112
  CMS ownership ADP OF THE SNF · OPERATIONAL/MANAGERIAL CONTROL

• Sierra Dawn Gross Stallman Former name

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Oct 17, 2025.

{
    "created_epoch": "1396224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760659200000",
    "number": "1649698366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1333 W 5TH ST, STE 110",
            "city": "SHERIDAN",
            "state": "WY",
            "postal_code": "828012752",
            "telephone_number": "307-675-2650",
            "fax_number": "307-675-2651"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1333 W 5TH ST, STE 112",
            "city": "SHERIDAN",
            "state": "WY",
            "postal_code": "828012752",
            "telephone_number": "307-675-2650",
            "fax_number": "307-675-2651"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1401 W 5th St",
            "address_purpose": "LOCATION",
            "city": "Sheridan",
            "state": "WY",
            "postal_code": "828012705",
            "country_code": "US",
            "telephone_number": "307-675-2650",
            "fax_number": "307-675-2651",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GROSS",
        "first_name": "SIERRA",
        "middle_name": "DAWN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-03-31",
        "last_updated": "2025-10-17",
        "certification_date": "2025-10-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WY",
            "license": "10930A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "147313100",
            "state": "WY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sgross@sheridan.cernerdirect.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "1401 W 5th St",
            "city": "Sheridan",
            "state": "WY",
            "country_code": "US",
            "postal_code": "828012705",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "SIERRA",
            "last_name": "GROSS STALLMAN",
            "middle_name": "DAWN",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• All providers in Sheridan, WY
• Internal Medicine Physician in Wyoming

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.