Denni Fitzsimmons, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

DO04946 Issued in IA

Practice address

1601 NW 114TH St Ste 255
Clive, IA 50325-7036

Phone

(515) 461-9780

Fax

(515) 461-9779

NPI assigned

Jul 7, 2015

Last updated

Feb 3, 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in IA

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

Family Practice

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Clinics IncGroup PAC ID 7911810882, 441 clinicians

Primary Health Care IncGroup PAC ID 8426966755, 72 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercyone Des Moines Medical Center Hospital, Des Moines, IA, CCN 160083
• Bishop Drumm Retirement Center Nursing home, Johnston, IA, CCN 165448

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dfitzsimmons3169453@direct.trinity-health.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.

• Primary Health Care, Inc.

  dba Primary Health Care-Bery Engebretsen Clinic

  • Federally Qualified Health Center (FQHC)
  • Des Moines, IA
  • NPI 1588692487
  Medicare reassignment Care Compare group NPD
• Mercy Clinics, Inc.

  dba MercyOne Clive Family Medicine Clinic

  • Primary Care Clinic/Center
  • Clive, IA
  • NPI 1487670923
  Medicare reassignment Care Compare group
• Mercyone Central Iowa Urgent Care

  • Clinic/Center
  • Des Moines, IA
  • NPI 1790422095
  Medicare reassignment NPD
• Mercyone Urgentcare

  • Clinic/Center
  • Clinton, IA
  • NPI 1447995766
  Medicare reassignment NPD
• Mercy Clinics, Inc.

  dba MercyOne Norwalk Family Medicine Clinic

  • Primary Care Clinic/Center
  • Des Moines, IA
  • NPI 1952327470

  Family Medicine

  NPD
• Mercyone Urgentcare

  • Oxygen Equipment & Supplies (DME)
  • Clinton, IA
  • NPI 1437030053
  NPD
• Primary Health Care, Inc.

  dba Primary Health Care at East High School

  • Federally Qualified Health Center (FQHC)
  • Des Moines, IA
  • NPI 1497522262
  NPD

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

• Catholic Health Initiatives - Iowa Corp

  dba MercyOne West Des Moines Medical Center

  • General Acute Care Hospital
  • West Des Moines, IA
  • NPI 1538395975
  Care Compare affiliation
• Catholic Health Initiatives-Iowa Corp

  dba MercyOne Des Moines Laboratory

  • Clinical Medical Laboratory
  • Des Moines, IA
  • NPI 1104982743

  Hospital

  Care Compare affiliation
• Catholic Health Initiatives-Iowa Corp

  dba MercyOne Des Moines Medical Center

  • General Acute Care Hospital
  • Des Moines, IA
  • NPI 1508964883
  Care Compare affiliation
• Catholic Health Initiatives, Ia-Corp

  dba Mercy Medical Mammography Center

  • Mammography Clinic/Center
  • Des Moines, IA
  • NPI 1477984367

  Hospital

  Care Compare affiliation
• CHI Living Communities

  dba Bishop Drumm Retirement Center

  • Skilled Nursing Facility
  • Toledo, OH
  • NPI 1568810372

  Nursing home

  Care Compare affiliation

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

{
    "created_epoch": "1436227200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1457734600",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 674721",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752674721",
            "telephone_number": "515-643-2519",
            "fax_number": "515-461-9779"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 NW 114TH ST STE 255",
            "city": "CLIVE",
            "state": "IA",
            "postal_code": "503257036",
            "telephone_number": "515-461-9780",
            "fax_number": "515-461-9779"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5837 Winwood Dr",
            "address_purpose": "LOCATION",
            "city": "Johnston",
            "state": "IA",
            "postal_code": "501311651",
            "country_code": "US",
            "telephone_number": "515-643-4915",
            "fax_number": "515-643-8804",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "697 Louisiana Rd",
            "address_purpose": "LOCATION",
            "city": "Dyess AFB",
            "state": "TX",
            "postal_code": "796071141",
            "country_code": "US",
            "telephone_number": "325-696-4677",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FITZSIMMONS",
        "first_name": "DENNI",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-07-07",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TX",
            "license": "S6394",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "DO04946",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julia Leiigh Feldmann, OTD
• Karla J Fiori, RPH
• Mark Douglas Fish, D.O.
• Patricia Ann Fisk
• Elizabeth Ann Fitzgerald, D.C.
• Five Star Fa Inc. (Flooring America)
• Five Star Health Services Inc (Five Star Pharmacy)
• Flexion Technology, Inc
• Zachary Shane Flick
• Samantha J Flodin, LMSW

• Family Medicine Physician in Clive, IA
• Providers in Clive, IA by specialty
• Family Medicine Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 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.