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NAOMI JEAN VON HOLLEN ARNP
NPI 1376596361
Nurse Practitioner in Dubuque, IA

Active since May 18, 2006PECOS EnrolledAccepts Medicare Assignment
1000 LANGWORTHY ST, DUBUQUE, IA 52001(563) 584-3330(563) 584-4422 Get Directions Write a Review

NPPES record last updated: May 20, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Naomi Jean Von Hollen Arnp NPPES

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

NAOMI JEAN VON HOLLEN ARNP (NPI 1376596361) is an individual nurse practitioner in Dubuque, Iowa, licensed in Iowa (A157454) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Mercyone Dubuque Medical Center, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1376596361
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameNAOMI JEAN VON HOLLENCredential: ARNP
Location Address1000 LANGWORTHY STDubuque, IA 52001-7365
Mailing Address1000 Langworthy StDubuque, IA 52001-7365 · (563) 584-3330 · Fax (563) 584-4422
Phone(563) 584-3330
Fax(563) 584-4422
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateMay 18, 2006
Last NPPES UpdateMay 20, 2025
NPPES CertifiedMay 20, 2025
✔ NPI 1376596361 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in IA · A157454✔ Licensed in WA · AP60396767
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1000 LANGWORTHY ST, Dubuque, IA 52001
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Other Names 1

Former Name (1)Naomi Jean Synstegard

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

Naomi Jean Von Hollen Arnp 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 ID8729036991
PECOS Enrollment IDI20050105000433
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

2

Medicare enrollment records show Naomi Von Hollen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Associates Clinic P C
3.1 mi
Multi-Specialty
1500 ASSOCIATES DR
Dubuque, IA 52002
  • Reassigned Medicare billing, Iowa enrollment
  • 272 clinicians in this Medicare group
NPI 1457300790 (563) 584-4100
Vpa PC
384 mi
Family Medicine
500 KIRTS BLVD, SUITE 200
Troy, MI 48084
  • Reassigned Medicare billing, Iowa enrollment
  • 27 clinicians in this Medicare group
NPI 1336153295 (800) 759-7291

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

Hospital Affiliations CMS Care Compare 3

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

Mercyone Dubuque Medical Center

Acute Care Hospitals · Dubuque, IA
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160069
Location250 Mercy DriveDubuque, IA 52001 · Dubuque County
Emergency services Birthing friendly

Mercyone Elkader Medical Center

Critical Access Hospitals · Elkader, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161319
Location901 Davidson Street NWElkader, IA 52043 · Clayton County
Emergency services

Mercyone Dyersville Medical Center

Critical Access Hospitals · Dyersville, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161378
Location1111 3rd Street SWDyersville, IA 52040 · Dubuque County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52001 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.

ALLISON MILLER MD
Internal Medicine (Nephrology)
1000 LANGWORTHY ST
DUBUQUE, IA 52001
Dubuque County (563) 584-3550
LARISSA R DEHNING PA-C
Physician Assistant
1000 LANGWORTHY ST
DUBUQUE, IA 52001
Dubuque County (563) 584-3226
KIM M. EHLERS A.R.N.P.
Nurse Practitioner
1000 LANGWORTHY ST
DUBUQUE, IA 52001
Dubuque County (563) 584-3430
SUSAN G. BUSHMAN A.R.N.P.
Nurse Practitioner
1000 LANGWORTHY ST
DUBUQUE, IA 52001
Dubuque County (563) 584-3480
BRIAN LEO LOC D.O.
Internal Medicine (Cardiovascular Disease)
1000 LANGWORTHY ST
DUBUQUE, IA 52001
Dubuque County (563) 584-3425
REILLY KUHN WOJCIEHOWSKI MD
Family Medicine
1000 LANGWORTHY ST
DUBUQUE, IA 52001
Dubuque County (563) 584-3226
JOSEPH BERNARD FULLER M.D.
Surgery
1000 LANGWORTHY ST
DUBUQUE, IA 52001
Dubuque County (563) 584-3450
THOMAS ANTHONY SINSKY M.D.
Internal Medicine
1000 LANGWORTHY ST
DUBUQUE, IA 52001
Dubuque County (563) 584-3430

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Naomi Von Hollen's NPI number?

The NPI number for Naomi Von Hollen is 1376596361. It was assigned to this individual provider in the NPPES registry on May 18, 2006. The provider is also known as Naomi Jean Synstegard.

Where is Naomi Von Hollen located?

Naomi Von Hollen practices at 1000 Langworthy St, Dubuque, IA 52001. The listed phone number is (563) 584-3330.

What is Naomi Von Hollen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Naomi Von Hollen enrolled in Medicare?

Yes. Naomi Von Hollen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Naomi Von Hollen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Naomi Von Hollen reassigns Medicare benefits to 2 organizations: Medical Associates Clinic P C (Dubuque, IA) and Vpa PC (Troy, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Naomi Von Hollen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Naomi Von Hollen accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Anthem Blue Cross and Blue Shield and 2 other insurers list Naomi Von Hollen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Naomi Von Hollen affiliated with any hospitals?

According to CMS data, Naomi Von Hollen is affiliated with Mercyone Dubuque Medical Center, Mercyone Elkader Medical Center and Mercyone Dyersville Medical Center.

When was this NPI record last updated?

The NPPES record for Naomi Von Hollen was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.