Gregory Lynn Keller, D.O.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

3716 Issued in IA

Practice address

220 Essie Davison Dr
Clarinda, IA 51632-2915

Phone

(712) 542-8354

NPI assigned

Aug 21, 2006

Last updated

Jan 26, 2026By the provider in NPPES

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

Enrolled in IA, NE2 enrollments

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 2

Specialty

Psychiatry

Education

University of Kansas School of Med (KC/Wich/Sal), 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cass County Memorial HospitalGroup PAC ID 5294634994, shared by 9 NPIs, 67 clinicians

Clarinda Regional Health CenterGroup PAC ID 4587573993, shared by 5 NPIs, 46 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Clarinda Regional Health Center Hospital, Clarinda, IA, CCN 161352
• Cass County Memorial Hospital Hospital, Atlantic, IA, CCN 161376

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

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.

• Clarinda Regional Health Center

  • Critical Access Hospital
  • Clarinda, IA
  • NPI 1366486946
  Medicare reassignment NPD
• Clarinda Regional Health Center

  dba Clarinda Medical Associates

  • Family Medicine Physician
  • Clarinda, IA
  • NPI 1629196241
  Medicare reassignment NPD
• Memorial Community Hospital Corporation

  • Critical Access Hospital
  • Blair, NE
  • NPI 1265408819
  Medicare reassignment NPD
• Cass County Memorial Hospital

  • Critical Access Hospital
  • Atlantic, IA
  • NPI 1093760944
  Medicare reassignment
• Cass County Memorial Hospital

  • Critical Access Hospital
  • Atlantic, IA
  • NPI 1861597122
  Medicare reassignment
• Memorial Community Hospital Corporation

  dba Cottonwood Clinic

  • Clinic/Center
  • Tekamah, NE
  • NPI 1437281623
  NPD

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

• Cass County Memorial Hospital

  • Critical Access Hospital
  • Atlantic, IA
  • NPI 1093760944
  Care Compare affiliation
• Clarinda Regional Health Center

  • Critical Access Hospital
  • Clarinda, IA
  • NPI 1366486946
  Care Compare affiliation

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

{
    "created_epoch": "1156118400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1649385287",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "220 ESSIE DAVISON DR",
            "city": "CLARINDA",
            "state": "IA",
            "postal_code": "516322915",
            "telephone_number": "712-542-8354"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 ESSIE DAVISON DR",
            "city": "CLARINDA",
            "state": "IA",
            "postal_code": "516322915",
            "telephone_number": "712-542-8354"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KELLER",
        "first_name": "GREGORY",
        "middle_name": "LYNN",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-21",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IA",
            "license": "3716",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NE",
            "license": "3114",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Travis Leslie Hunter
• Hy-Vee Inc (Hy-Vee Pharmacy (1071))
• Lynn Louise Irr, LMSW
• Vunita Iske
• JP Senior Healthcare LLC (Goldenrod Manor Care Center)
• Tara Keller, L.M.H.C.
• Kevin L Ketter, P.T.
• Erica King
• Bailley Kralik
• Daniel T Lantz, OD

• Psychiatry Physician in Clarinda, IA
• Providers in Clarinda, IA by specialty
• Psychiatry Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 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.