Active NPI
Anthony Michael Sajewicz, M.D.
- Diagnostic Radiology Physician
- Santa Rosa, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- A99915
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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
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
- Providence Santa Rosa Memorial Hospital
- California Pacific Medical Center- Van Ness Campus
- Sutter Lakeside Hospital
- UCSF Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A99915 | CA | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| West Florida Radiology Associates PA | Diagnostic Radiology | Current | 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
- 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.
-
- Multi-Specialty Clinic/Center
- Palo Alto, CA
- NPI 1013950807
-
- Multi-Specialty Clinic/Center
- Sacramento, CA
- NPI 1003267196
-
- Clinical Medical Laboratory
- Santa Clara, CA
- NPI 1669287033
-
- General Acute Care Hospital
- Oakland, CA
- NPI 1083815872
-
- Family Medicine Physician
- Orinda, CA
- NPI 1871538769
Diagnostic Radiology
-
- Medicare Defined Swing Bed Hospital Unit
- Hoopeston, IL
- NPI 1720021074
-
- Home Health Agency
- Charleston, IL
- NPI 1922190024
-
- General Acute Care Hospital
- Urbana, IL
- NPI 1013071653
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Santa Rosa, CA
- NPI 1134152549
-
- General Acute Care Hospital
- San Francisco, CA
- NPI 1740348929
-
- General Acute Care Hospital
- Santa Rosa, CA
- NPI 1740413798
-
- Critical Access Hospital
- Lakeport, CA
- NPI 1952634008
-
- General Acute Care Hospital
- San Francisco, CA
- NPI 1689772592
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 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.