Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. JENNIFER REBECCA MAZZA ARNP, FNP-C
NPI 1366968968
Nurse Practitioner - Family in Iowa City, IA

Q: What is Jennifer Mazza's NPI number?

The NPI number for Jennifer Mazza is 1366968968. It was assigned to this individual provider in the NPPES registry on August 16, 2017.

Q: What is Jennifer Mazza's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Mazza was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 16, 2017PECOS EnrolledAccepts Medicare Assignment

201 S CLINTON ST STE 168, IOWA CITY, IA 52240(319) 384-0520(319) 384-0603 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 8, 2026, Jun 21, 2024, Jun 13, 2024 and 3 more (6 updates tracked since 2017).

On this page

About Mrs. Jennifer Rebecca Mazza Arnp, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. JENNIFER REBECCA MAZZA ARNP, FNP-C (NPI 1366968968) is an individual family provider in Iowa City, Iowa, licensed in Iowa (A119156) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, is affiliated with Van Buren County Hospital, and maintains 9 additional practice locations.

NPPES Registry Identity

NPI1366968968

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMRS. JENNIFER REBECCA MAZZACredential: ARNP, FNP-C

Location Address201 S CLINTON ST STE 168Iowa City, IA 52240-4034

Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 384-0520 · Fax (319) 384-0603

Phone(319) 384-0520

Fax(319) 384-0603

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateAugust 16, 2017

Last NPPES UpdateOctober 8, 20266 updates tracked since enumeration

NPPES CertifiedOctober 8, 2026

✔ NPI 1366968968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in IA · A119156

201 S CLINTON ST STE 168, Iowa City, IA 52240

Open in Google Maps ↗

Secondary Practice Locations 9

Location 1767 Mormon Trek BlvdIowa City, IA 52246-1812 · Phone (319) 384-8333 · Fax (319) 467-8105

Location 23640 Middlebury RdIowa City, IA 52245-2712 · Phone (319) 467-6789 · Fax (319) 356-3949

Location 3865 Lincoln Rd Ste 400Bettendorf, IA 52722-4159 · Phone (563) 344-2240 · Fax (563) 362-3059

Location 4411 10th St SE Ste 2300Cedar Rapids, IA 52403-2467 · Phone (319) 731-1430 · Fax (319) 356-3949

Location 52709 W BRIGGS AVE, STE 1FAIRFIELD, IA 52556-2649 · Phone (319) 356-1616

Location 62591 Holiday RdCoralville, IA 52241-2781 · Phone (319) 467-7150

Location 71632 Sycamore StIowa City, IA 52240-6044 · Phone (319) 467-8350 · Fax (319) 467-8105

Location 8720 Pacha Pkwy Ste 1North Liberty, IA 52317-4797 · Phone (319) 384-8822 · Fax (319) 467-8105

Location 92705 E 53rd StDavenport, IA 52807-3008 · Phone (563) 362-3052 · Fax (563) 362-3059

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Jennifer Rebecca Mazza Arnp, Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204194939

PECOS Enrollment IDI20171229000595

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Jennifer Mazza reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ottumwa Health Group LLC

62 mi

Rural Health

1009 PENNSYLVANIA AVE
Ottumwa, IA 52501

Reassigned Medicare billing, Iowa enrollment
86 clinicians in this Medicare group

NPI 1639861990 (641) 683-6868

Emergency Services Of Iowa LLC

62 mi

Emergency Medicine

1001 PENNSYLVANIA AVE
Ottumwa, IA 52501

Reassigned Medicare billing, Iowa enrollment
46 clinicians in this Medicare group

NPI 1477017663 (641) 684-2341

Van Buren County Hospital

67 mi

Critical Access

304 FRANKLIN ST
Keosauqua, IA 52565

Reassigned Medicare billing, Iowa enrollment
Also billed through NPI 1316063076 (Iowa)
46 clinicians in this Medicare group

NPI 1508810714 (319) 293-3171

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

107 services101 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

50 services48 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

23 services21 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Van Buren County Hospital

Critical Access Hospitals · Keosauqua, IA

OwnershipGovernment - Local

CMS Certification Number161337

Location304 Franklin StreetKeosauqua, IA 52565 · Van Buren County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TIFFANY TALLEY

Nurse Practitioner (Family)