Individual provider Active NPI

Naomi Jean Von Hollen, ARNP

  • Nurse Practitioner
  • Dubuque, IA
National Provider Identifier
1376596361
Registry record updated May 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
A157454 Issued in IA
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

Updated by the provider on May 20, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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 Former name

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
I20050105000433 IA Practitioner - Nurse Practitioner 8729036991 Reassigns benefits to 2 organizations

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
Medical Associates Clinic P CGroup PAC ID 3870491228, 228 clinicians

Practice addresses (Care Compare)

1000 Langworthy St
Dubuque, IA 52001-7313
Phone (563) 584-4100

Hospital & facility affiliations

  • Mercyone Dubuque Medical Center Hospital, Dubuque, IA, CCN 160069
  • Mercyone Elkader Medical Center Hospital, Elkader, IA, CCN 161319

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A157454IAMDNurse Practitioner
AP60396767WAMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Medical Associates Clinic P C CurrentSince May 19, 2025 Accepting new patients
Vpa PC CurrentSince Jul 15, 2025 Accepting new patients
Vpa PC CurrentSince Jul 15, 2025 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.

Hospital & facility affiliations 2

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": "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

Verify at the official NPI Registry.