Individual provider Active NPI

Zachary Zaniewski, DO

  • Diagnostic Radiology Physician
  • Portland, ME
National Provider Identifier
1609403104
Registry record updated Jun 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
DO3970 Issued in ME
Practice address
22 Bramhall St
Portland, ME 04102-3175
Phone
(508) 641-5299
NPI assigned
Mar 25, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 33770 NH
Diagnostic Radiology Physician 2085R0202X DO3970 ME Primary

Addresses

Primary practice location

22 Bramhall St
Portland, ME 04102-3175

Mailing address

324 Gannett Dr Ste 200
South Portland, ME 04106-3266
Phone (072) 482-7800

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH, ME2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20250702002386 NH Practitioner - Diagnostic Radiology 6901220003 Reassigns benefits to 1 organization
I20250702003326 ME Practitioner - Diagnostic Radiology 6901220003 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of New England, College of Osteo Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Spectrum Healthcare Partners PAGroup PAC ID 7618871245, shared by 7 NPIs, 305 clinicians

Practice addresses (Care Compare)

22 Bramhall St
Portland, ME 04102-3134
Phone (207) 871-2571

3073 White Mountain Hwy
North Conway, NH 03860-7101
Phone (603) 356-5461

33 Sewall St
Portland, ME 04102-2603
Phone (207) 828-2160

600 Turner St
Suite 1
Auburn, ME 04210-5093
Phone (207) 601-3333

Hospital & facility affiliations

  • Mainehealth Maine Medical Center Hospital, Portland, ME, CCN 200009
  • Memorial Hospital, the Hospital, North Conway, NH, CCN 301307
  • Lincolnhealth Hospital, Damariscotta, ME, CCN 201302
  • St Mary'S Regional Medical Center Hospital, Lewiston, ME, CCN 200034

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Healthcare Partners, P.a. CurrentSince Jul 10, 2025 Accepting new patients
Spectrum Healthcare Partners, PA Diagnostic Radiology CurrentSince Jul 10, 2025 Accepting new patients
Insight-Premier Health LLC Diagnostic Radiology CurrentSince Jul 11, 2025 Accepting new patients
Spectrum Healthcare Partners, PA Diagnostic Radiology CurrentSince Jul 10, 2025 Accepting new patients
Spectrum Healthcare Partners, P.a CurrentSince Jul 10, 2025 Accepting new patients
Spectrum Healthcare Partners, P.a Diagnostic Radiology CurrentSince Jul 14, 2025 Accepting new patients

Locations

600 Turner St
Ste 1
Auburn, ME 04210
Phone (207) 601-3333

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

33 Sewall St
Portland, ME 04102
Phone (207) 772-0076

324 Gannett Dr
Ste 200
South Portland, ME 04106
Phone (207) 482-7861

3073 White Mountain Hwy
North Conway, NH 03860
Phone (603) 356-5472

Interoperability endpoints

  • Direct secure messaging: zzaniewski269555@direct.mmc.mainehealth.org

Organizations & group practices 6

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 43

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 43

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1585094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751241600000",
    "number": "1609403104",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "324 GANNETT DR STE 200",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "041063266",
            "telephone_number": "072-482-7800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 BRAMHALL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023175",
            "telephone_number": "508-641-5299"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZANIEWSKI",
        "first_name": "ZACHARY",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-25",
        "last_updated": "2025-06-30",
        "certification_date": "2025-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NH",
            "license": "33770",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "ME",
            "license": "DO3970",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.