Individual provider Active NPI

Timothy Harold Hoffmann, ARNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Waterloo, IA
National Provider Identifier
1902792856
Registry record updated Aug 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
G185506 Issued in IA
Practice address
3251 W 9TH St
Waterloo, IA 50702-5310
Phone
(319) 269-6146
Fax
(319) 234-0354
NPI assigned
Jun 17, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X G185506 IA Primary

Addresses

Primary practice location

3251 W 9TH St
Waterloo, IA 50702-5310

Mailing address

3251 W 9TH St
Waterloo, IA 50702-5310
Phone (319) 269-6146

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
I20250917004487 IA Practitioner - Nurse Practitioner 8527562008 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Black Hawk-Grundy Mental Health Center IncGroup PAC ID 1850280363, 21 clinicians

Practice addresses (Care Compare)

3251 W 9TH St
Waterloo, IA 50702-5310
Phone (319) 234-2893

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
G185506IAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Black Hawk-Grundy Mental Health Center Inc. CurrentSince Sep 8, 2025 Accepting new patients
St Luke'S Methodist Hospital Current Accepting new patients

Locations

3251 W 9th St
Waterloo, IA 50702
Phone (319) 234-2893

Interoperability endpoints

  • Direct secure messaging: thoffmann1207963@direct.unitypoint.org

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": "1750118400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755129600000",
    "number": "1902792856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3251 W 9TH ST",
            "city": "WATERLOO",
            "state": "IA",
            "postal_code": "507025310",
            "telephone_number": "319-269-6146",
            "fax_number": "319-234-0354"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3251 W 9TH ST",
            "city": "WATERLOO",
            "state": "IA",
            "postal_code": "507025310",
            "telephone_number": "319-269-6146",
            "fax_number": "319-234-0354"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOFFMANN",
        "first_name": "TIMOTHY",
        "middle_name": "HAROLD",
        "name_prefix": "Mr.",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-06-17",
        "last_updated": "2025-08-14",
        "certification_date": "2025-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "IA",
            "license": "G185506",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Waterloo, IA

Sources for this page

Verify at the official NPI Registry.