Individual provider Active NPI

Jennifer Rebecca Mazza, ARNP, FNP-C

  • Family Nurse Practitioner
  • Iowa City, IA
National Provider Identifier
1366968968
Registry record updated Oct 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
A119156 Issued in IA
Practice address
201 S Clinton St Ste 168
Iowa City, IA 52240-4034
Phone
(319) 384-0520
Fax
(319) 384-0603
NPI assigned
Aug 16, 2017
Last updated
Oct 8, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X A119156 IA Primary

Addresses

Primary practice location

201 S Clinton St Ste 168
Iowa City, IA 52240-4034

Mailing address

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 384-0520

Other practice location 1

767 Mormon Trek Blvd
Iowa City, IA 52246-1812
Phone (319) 384-8333

Other practice location 2

3640 Middlebury Rd
Iowa City, IA 52245-2712
Phone (319) 467-6789

Other practice location 3

865 Lincoln Rd Ste 400
Bettendorf, IA 52722-4159
Phone (563) 344-2240

Other practice location 4

411 10th St SE Ste 2300
Cedar Rapids, IA 52403-2467
Phone (319) 731-1430

Other practice location 5

2709 W Briggs Ave
Ste 1
Fairfield, IA 52556-2649
Phone (319) 356-1616

Other practice location 6

2591 Holiday Rd
Coralville, IA 52241-2781
Phone (319) 467-7150

Other practice location 7

1632 Sycamore St
Iowa City, IA 52240-6044
Phone (319) 467-8350

Other practice location 8

720 Pacha Pkwy Ste 1
North Liberty, IA 52317-4797
Phone (319) 384-8822

Other practice location 9

2705 E 53rd St
Davenport, IA 52807-3008
Phone (563) 362-3052

Medicare participation

Medicare enrollment files
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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20171229000595 IA Practitioner - Nurse Practitioner 6204194939 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergency Services of Iowa LLCGroup PAC ID 1557600756, 10 clinicians

Practice addresses (Care Compare)

1001 Pennsylvania Ave
Ottumwa, IA 52501-2186
Phone (641) 684-2300

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
80.02 of 100Reported as group
Quality
75.68
Promoting interoperability
78
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Van Buren County Hospital Physician Assistant CurrentSince Nov 12, 2024 Accepting new patients
Ottumwa Health Group LLC CurrentSince Jun 27, 2023 Accepting new patients
Ottumwa Health Group LLC Current Accepting new patients
Emergency Services of Iowa LLC Physician Assistant CurrentSince Jan 28, 2024 Accepting new patients
Van Buren County Hospital CurrentSince Sep 1, 2025 Accepting new patients
Van Buren County Hospital CurrentSince Nov 12, 2024 Accepting new patients
Ottumwa Health Group LLC CurrentSince Jun 27, 2023 Accepting new patients
Van Buren County Hospital Past Accepting new patients

Locations

304 Franklin St
Keosauqua, IA 52565
Phone (319) 293-3171

1001 Pennsylvania Ave
Ottumwa, IA 52501
Phone (641) 472-4111

1013 Pennsylvania Ave
Ottumwa, IA 52501
Phone (641) 683-6868

1013 Pennsylvania Ave
Ste E
Ottumwa, IA 52501
Phone (641) 684-3200

Interoperability endpoints

  • Direct secure messaging: jennifer.mazza.2@6270.direct.athenahealth.com
  • Direct secure messaging: jmazza34543@uihcdirect.org

Organizations & group practices 8

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 1

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": "1502841600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791417600000",
    "number": "1366968968",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-384-0520",
            "fax_number": "319-384-0603"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 S CLINTON ST STE 168",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522404034",
            "telephone_number": "319-384-0520",
            "fax_number": "319-384-0603"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "767 Mormon Trek Blvd",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522461812",
            "country_code": "US",
            "telephone_number": "319-384-8333",
            "fax_number": "319-467-8105",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3640 Middlebury Rd",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522452712",
            "country_code": "US",
            "telephone_number": "319-467-6789",
            "fax_number": "319-356-3949",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "865 Lincoln Rd Ste 400",
            "address_purpose": "LOCATION",
            "city": "Bettendorf",
            "state": "IA",
            "postal_code": "527224159",
            "country_code": "US",
            "telephone_number": "563-344-2240",
            "fax_number": "563-362-3059",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "411 10th St SE Ste 2300",
            "address_purpose": "LOCATION",
            "city": "Cedar Rapids",
            "state": "IA",
            "postal_code": "524032467",
            "country_code": "US",
            "telephone_number": "319-731-1430",
            "fax_number": "319-356-3949",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2709 W BRIGGS AVE",
            "address_2": "STE 1",
            "address_purpose": "LOCATION",
            "city": "FAIRFIELD",
            "state": "IA",
            "postal_code": "525562649",
            "country_code": "US",
            "telephone_number": "319-356-1616",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2591 Holiday Rd",
            "address_purpose": "LOCATION",
            "city": "Coralville",
            "state": "IA",
            "postal_code": "522412781",
            "country_code": "US",
            "telephone_number": "319-467-7150",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1632 Sycamore St",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522406044",
            "country_code": "US",
            "telephone_number": "319-467-8350",
            "fax_number": "319-467-8105",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "720 Pacha Pkwy Ste 1",
            "address_purpose": "LOCATION",
            "city": "North Liberty",
            "state": "IA",
            "postal_code": "523174797",
            "country_code": "US",
            "telephone_number": "319-384-8822",
            "fax_number": "319-467-8105",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2705 E 53rd St",
            "address_purpose": "LOCATION",
            "city": "Davenport",
            "state": "IA",
            "postal_code": "528073008",
            "country_code": "US",
            "telephone_number": "563-362-3052",
            "fax_number": "563-362-3059",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAZZA",
        "first_name": "JENNIFER",
        "middle_name": "REBECCA",
        "name_prefix": "Mrs.",
        "credential": "ARNP, FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-08-16",
        "last_updated": "2026-10-08",
        "certification_date": "2026-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IA",
            "license": "A119156",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Iowa City, IA

Sources for this page

Verify at the official NPI Registry.