Active NPI
Naomi Jean Von Hollen, ARNP
- Nurse Practitioner
- Dubuque, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- A157454
- Practice address
- 1000 Langworthy St
Dubuque, IA 52001-7365 - Phone
- (563) 584-3330
- Fax
- (563) 584-4422
- NPI assigned
- May 18, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | AP60396767 | WA | |
| Nurse Practitioner | 363L00000X | A157454 | IA | Primary |
Addresses
Primary practice location
1000 Langworthy St
Dubuque, IA 52001-7365
Mailing address
1000 Langworthy St
Dubuque, IA 52001-7365
Phone (563) 584-3330
Other names 1
- Naomi Jean Synstegard
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, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1000 Langworthy St
Dubuque, IA 52001-7313
Phone (563) 584-4100
Hospital & facility affiliations
- Mercyone Dubuque Medical Center
- Mercyone Elkader Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A157454 | IA | MD | Nurse Practitioner |
| AP60396767 | WA | MD | Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Medical Associates Clinic P C | Current | Accepting new patients | |
| Vpa PC | Current | Accepting new patients | |
| Vpa PC | Current | Accepting new patients |
Locations
699 Walnut St
Ste 4
Des Moines, IA 50309
Phone (515) 278-9920
1500 Associates Dr
Dubuque, IA 52002
Phone (563) 584-4100
1000 Langworthy St
Dubuque, IA 52001
Phone (563) 584-3455
911 Carter St NW
Elkader, IA 52043
Phone (563) 245-1717
1240 Big Jack Rd
Platteville, WI 53818
Phone (608) 348-2844
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Multi-Specialty Clinic/Center
- Dubuque, IA
- NPI 1457300790
-
- Family Medicine Physician
- Brentwood, TN
- NPI 1578363362
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Elkader, IA
- NPI 1184645434
-
- General Acute Care Hospital
- Dubuque, IA
- NPI 1659348506
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147910400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1747699200000",
"number": "1376596361",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1000 LANGWORTHY ST",
"city": "DUBUQUE",
"state": "IA",
"postal_code": "520017365",
"telephone_number": "563-584-3330",
"fax_number": "563-584-4422"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1000 LANGWORTHY ST",
"city": "DUBUQUE",
"state": "IA",
"postal_code": "520017365",
"telephone_number": "563-584-3330",
"fax_number": "563-584-4422"
}
],
"practiceLocations": [],
"basic": {
"last_name": "VON HOLLEN",
"first_name": "NAOMI",
"middle_name": "JEAN",
"credential": "ARNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-18",
"last_updated": "2025-05-20",
"certification_date": "2025-05-20",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "WA",
"license": "AP60396767",
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "IA",
"license": "A157454",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "NAOMI",
"last_name": "SYNSTEGARD",
"middle_name": "JEAN",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Dubuque, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 2025; 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.