Catherine Greving, M.A.

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

00794 Issued in IA

Practice address

700 College Dr
Decorah, IA 52101-1041

Phone

(563) 387-5400

NPI assigned

Apr 7, 2008

Last updated

Oct 7, 2025By 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IA

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

Mental Health Counselor

Education

Other, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Winneshiek Medical CenterGroup PAC ID 4688582935, shared by 9 NPIs, 99 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Arts

Practice roles

Locations

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.

• Winneshiek Medical Center

  dba WinnMed

  • Critical Access Hospital
  • Decorah, IA
  • NPI 1619922051
  Medicare reassignment NPD
• Winneshiek Medical Center

  dba WinnMed Decorah Clinic

  • Multi-Specialty Clinic/Center
  • Decorah, IA
  • NPI 1992854863
  Medicare reassignment NPD
• Winneshiek Medical Center

  dba WinnMed Pharmacy

  • Community/Retail Pharmacy
  • Decorah, IA
  • NPI 1104507060
  NPD

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

{
    "created_epoch": "1207526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1396918892",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 MONTGOMERY ST",
            "city": "DECORAH",
            "state": "IA",
            "postal_code": "521012325",
            "telephone_number": "563-387-5400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 COLLEGE DR",
            "city": "DECORAH",
            "state": "IA",
            "postal_code": "521011041",
            "telephone_number": "563-387-5400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "104 15th Ave SW",
            "address_purpose": "LOCATION",
            "city": "Clarion",
            "state": "IA",
            "postal_code": "505252011",
            "country_code": "US",
            "telephone_number": "515-344-4395",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "901 Montgomery St",
            "address_purpose": "LOCATION",
            "city": "Decorah",
            "state": "IA",
            "postal_code": "521012325",
            "country_code": "US",
            "telephone_number": "563-382-2911",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREVING",
        "first_name": "CATHERINE",
        "credential": "M.A.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-04-07",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "IA",
            "license": "00794",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angela Gibbs
• Nancy J Gilson, RN DIABETES EDUCATOR
• Jennifer E Gipp, O.D.
• Andy Glee Goodner, MD
• Anita J Green, LPC
• Ann Elizabeth Grimstad, ARNP
• Gundersen Clinic LTD
• Gundersen Clinic, LTD.
• Gundersen Clinic, LTD.
• Gundersen Clinic, LTD.

• Mental Health Counselor in Decorah, IA
• Providers in Decorah, IA by specialty
• Mental Health Counselor in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 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.