Individual provider Active NPI

Anthony Michael Sajewicz, M.D.

  • Diagnostic Radiology Physician
  • Santa Rosa, CA
National Provider Identifier
1982745964
Registry record updated Sep 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
A99915 Issued in CA
Practice address
3883 Airway Dr Ste 100
Santa Rosa, CA 95403-1672
Phone
(707) 521-4480
Fax
(707) 521-4460
NPI assigned
Feb 10, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X A99915 CA Primary

Addresses

Primary practice location

3883 Airway Dr Ste 100
Santa Rosa, CA 95403-1672

Mailing address

PO Box 276950
Sacramento, CA 95827-6950
Phone (707) 521-4480

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20070613000323 CA Practitioner - Diagnostic Radiology 8820196975 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

3883 Airway Dr
Suite 100
Santa Rosa, CA 95403-1672
Phone (707) 521-4480

Hospital & facility affiliations

  • Sutter Santa Rosa Regional Hospital Hospital, Santa Rosa, CA, CCN 050291
  • Providence Santa Rosa Memorial Hospital Hospital, Santa Rosa, CA, CCN 050174
  • California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047
  • Sutter Lakeside Hospital Hospital, Lakeport, CA, CCN 051329
  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A99915CAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation Current Accepting new patients
Sutter Bay Medical Foundation CurrentSince Aug 1, 2017 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Aug 1, 2017 Accepting new patients
West Florida Radiology Associates PA Diagnostic Radiology CurrentSince May 13, 2019 Accepting new patients
Sutter East Bay Medical Foundation Diagnostic Radiology Past Accepting new patients
Sarah Bush Lincoln Health Center Past Accepting new patients
Hoopeston Community Memorial Hospital Past Accepting new patients
The Carle Foundation Hospital Past Accepting new patients
Alameda Health System Past Accepting new patients

Locations

325 Distel Cir
Los Altos, CA 94022
Phone (510) 204-3977

795 El Camino Real
#1112
Palo Alto, CA 94301

6000 State Farm Dr
Ste 150
Rohnert Park, CA 94928
Phone (707) 559-7600

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

13855 E 14th St
San Leandro, CA 94578
Phone (510) 357-6500

4700 Hoen Ave
Santa Rosa, CA 95405
Phone (707) 526-3360

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

3883 Airway Dr
Ste 100
Santa Rosa, CA 95403
Phone (707) 521-4480

131 Stony Cir
Ste 1600
Santa Rosa, CA 95401
Phone (707) 541-7700

652 Petaluma Ave
Ste B
Sebastopol, CA 95472
Phone (707) 823-8565

11995 Singletree Ln
Ste 500
Eden Prairie, MN 55344
Phone (952) 595-1143

Interoperability endpoints

  • Direct secure messaging: asajewicz171937@hisp.ehr.sutterhealth.org

Organizations & group practices 9

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 5

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": "1171065600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757030400000",
    "number": "1982745964",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950",
            "telephone_number": "707-521-4480",
            "fax_number": "707-521-4460"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3883 AIRWAY DR STE 100",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954031672",
            "telephone_number": "707-521-4480",
            "fax_number": "707-521-4460"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAJEWICZ",
        "first_name": "ANTHONY",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-10",
        "last_updated": "2025-09-05",
        "certification_date": "2025-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A99915",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Rosa, CA

Sources for this page

Verify at the official NPI Registry.