Individual provider Active NPI

Julia Clara Dennis, CRNA

  • Certified Registered Nurse Anesthetist
  • Marengo, IA
National Provider Identifier
1730752601
Registry record updated Jan 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
D164098 Issued in IA
Practice address
300 W May St
Marengo, IA 52301-1261
Phone
(319) 642-5543
NPI assigned
Jul 20, 2021
Last updated
Jan 13, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X D164098 IA Primary

Addresses

Primary practice location

300 W May St
Marengo, IA 52301-1261

Mailing address

5829 N Union Rd
Cedar Falls, IA 50613-9365

Other practice location 1

1825 Logan Ave
Waterloo, IA 50703-1916
Phone (319) 235-3886

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210727001069 IA Practitioner - Certified Registered Nurse Anesthetist (Crna) 8123421260 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2021
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
Medical Associates Clinic P CGroup PAC ID 3870491228, 228 clinicians
Marengo Memorial HospitalGroup PAC ID 0749199446, 37 clinicians

Practice addresses (Care Compare)

112 Jefferson St
West Union, IA 52175-1022
Phone (563) 422-3811

250 Mercy Dr
Dubuque, IA 52001-7320
Phone (563) 584-8000

300 W May St
Marengo, IA 52301-1261
Phone 31964255438068

901 Montgomery St
Decorah, IA 52101-2325
Phone (563) 382-2911

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Marengo Memorial Hospital Current Accepting new patients
St Luke's Methodist Hospital Current Accepting new patients
Winneshiek Medical Center CurrentSince Dec 20, 2025 Accepting new patients
Iowa Physicians Clinic Medical Foundation CurrentSince Feb 7, 2022 Accepting new patients
Medical Associates Clinic P C CurrentSince Jan 5, 2026 Accepting new patients
Marengo Memorial Hospital CurrentSince Oct 1, 2024 Accepting new patients
Mercy Medical Center - New Hampton CurrentSince Nov 21, 2025 Accepting new patients
Winneshiek Medical Center CurrentSince Dec 20, 2025 Accepting new patients
Mercy Medical Center New Hampton CurrentSince Nov 21, 2025 Accepting new patients
Marengo Memorial Hospital CurrentSince Oct 1, 2024 Accepting new patients
Winneshiek Medical Center CurrentSince Jan 24, 2026 Accepting new patients

Locations

4480 Utica Ridge Rd
Ste 160
Bettendorf, IA 52722
Phone (563) 742-5950

4480 Utica Ridge Rd
Ste 2230
Bettendorf, IA 52722
Phone (563) 742-5150

1000 Langworthy St
Dubuque, IA 52001
Phone (563) 584-3455

250 Mercy Dr
Dubuque, IA 52001
Phone (563) 589-8000

300 W May St
Marengo, IA 52301
Phone (319) 462-8011

300 W May St
Ste A
Marengo, IA 52301
Phone (319) 642-5543

1753 W Ridgeway Ave
Ste 107
Waterloo, IA 50701
Phone (319) 833-5907

1825 Logan Ave
Waterloo, IA 50703
Phone (319) 235-3886

Interoperability endpoints

  • Direct secure messaging: jdziewatkoski830618@direct.unitypoint.org

Organizations & group practices 12

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1626739200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736726400000",
    "number": "1730752601",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5829 N UNION RD",
            "city": "CEDAR FALLS",
            "state": "IA",
            "postal_code": "506139365"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 W MAY ST",
            "city": "MARENGO",
            "state": "IA",
            "postal_code": "523011261",
            "telephone_number": "319-642-5543"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1825 Logan Ave",
            "address_purpose": "LOCATION",
            "city": "Waterloo",
            "state": "IA",
            "postal_code": "507031916",
            "country_code": "US",
            "telephone_number": "319-235-3886",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DENNIS",
        "first_name": "JULIA",
        "middle_name": "CLARA",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-07-20",
        "last_updated": "2025-01-13",
        "certification_date": "2025-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IA",
            "license": "D164098",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Marengo, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.