Active NPI
Jennifer Rebecca Mazza, ARNP, FNP-C
- Family Nurse Practitioner
- Iowa City, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- A119156
- 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, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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
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 100
- Quality
- 75.68
- Promoting interoperability
- 78
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Van Buren County Hospital | Physician Assistant | Current | Accepting new patients |
| Ottumwa Health Group LLC | Current | Accepting new patients | |
| Ottumwa Health Group LLC | Current | Accepting new patients | |
| Emergency Services of Iowa LLC | Physician Assistant | Current | Accepting new patients |
| Van Buren County Hospital | Current | Accepting new patients | |
| Van Buren County Hospital | Current | Accepting new patients | |
| Ottumwa Health Group LLC | Current | 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
- jennifer.mazza.2@6270.direct.athenahealth.com
- 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.
-
- Emergency Medicine Physician
- Ottumwa, IA
- NPI 1477017663
Physician Assistant
-
- Gynecology Physician
- Ottumwa, IA
- NPI 1386956290
-
- Emergency Medicine Physician
- Keosauqua, IA
- NPI 1316063076
Physician Assistant
-
- Critical Access Hospital
- Keosauqua, IA
- NPI 1508810714
-
dba Ottumwa Women's Health Clinic
- Rural Health Clinic/Center
- Ottumwa, IA
- NPI 1336919364
-
dba EasyCare Walk In Clinic
- Rural Health Clinic/Center
- Ottumwa, IA
- NPI 1649891722
-
- Medicare Defined Swing Bed Hospital Unit
- Keosauqua, IA
- NPI 1598844037
-
dba Farmington Medical Clinic
- Rural Health Clinic/Center
- Farmington, IA
- NPI 1992875678
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Keosauqua, IA
- NPI 1508810714
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 8, 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.