Rhianon Michele Groom, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

72280-20 Issued in WI

Practice address

8333 Greenway Blvd
Middleton, WI 53562-3684

Phone

(630) 974-6602

Fax

(630) 487-2411

NPI assigned

Jul 31, 2009

Last updated

Oct 21, 2026By the provider in NPPES

Sex

Female

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 WI

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

Psychiatry

Education

Other, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Gundersen Lutheran Medical Center IncGroup PAC ID 2163331414, 888 clinicians

TMS Clinical Services of Wisconsin SCGroup PAC ID 6709279482, 8 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rgroom438632@direct.emplifyhealth.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Gundersen Lutheran Medical Center Inc

  dba Emplify Health Hamilton Clinic

  • Clinic/Center
  • La Crosse, WI
  • NPI 1225873458
  Medicare reassignment Care Compare group NPD
• TMS Clinical Services of Wisconsin SC

  • Psychiatry Physician
  • West Allis, WI
  • NPI 1528734902
  Medicare reassignment Care Compare group NPD
• Gundersen Lutheran Medical Center Inc

  dba Emplify Health La Crosse Hospital

  • General Acute Care Hospital
  • La Crosse, WI
  • NPI 1376593442
  NPD
• Gundersen Lutheran Medical Center, Inc

  dba Emplify Health Onalaska Behavioral Health

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Onalaska, WI
  • NPI 1871837567
  NPD

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

{
    "created_epoch": "1248998400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792540800000",
    "number": "1871724302",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 JORIE BLVD STE 300",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605232219",
            "telephone_number": "630-974-6602",
            "fax_number": "630-487-2411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8333 GREENWAY BLVD",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535623684",
            "telephone_number": "630-974-6602",
            "fax_number": "630-487-2411"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1900 South Ave",
            "address_purpose": "LOCATION",
            "city": "LA Crosse",
            "state": "WI",
            "postal_code": "546015467",
            "country_code": "US",
            "telephone_number": "608-775-2287",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1100 Jorie Blvd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Oak Brook",
            "state": "IL",
            "postal_code": "605232219",
            "country_code": "US",
            "telephone_number": "630-974-6602",
            "fax_number": "630-487-2411",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 S Jackson St Ste 250",
            "address_purpose": "LOCATION",
            "city": "Denver",
            "state": "CO",
            "postal_code": "802093558",
            "country_code": "US",
            "telephone_number": "630-974-6602",
            "fax_number": "630-487-2411",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2448 S 102nd St Ste 180",
            "address_purpose": "LOCATION",
            "city": "West Allis",
            "state": "WI",
            "postal_code": "532272150",
            "country_code": "US",
            "telephone_number": "630-974-6602",
            "fax_number": "630-487-2411",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GROOM",
        "first_name": "RHIANON",
        "middle_name": "MICHELE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-07-31",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CO",
            "license": "CDR.0007736",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "IL",
            "license": "036.182720",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "WI",
            "license": "72280-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Greenway Dental Center S.C.
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• Jane Greischar
• Anastasia Lyn Grindle, AU.D.
• Nicole Gronstal
• Colin R Grove, PT, DPT, MS, PHD
• Dana Beth Gruenenfelder, NP
• Ingrid S Gruett, MMT, MT-BC
• Nancy C Gutknecht, N.D.
• Nicole Pamela Hahn, OTR/L

• Psychiatry Physician in Middleton, WI
• Providers in Middleton, WI by specialty
• Psychiatry Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 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.