Active NPI
Marc Bozych, DO
- Pediatric Anesthesiology Physician
- San Francisco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Anesthesiology Physician
- License
- 20A17673
- Practice address
- 521 Parnassus Ave FL 4
San Francisco, CA 94143-2206 - Phone
- (415) 476-9035
- Fax
- (415) 353-9163
- NPI assigned
- Apr 7, 2018
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 34.016010 | OH | |
| Anesthesiology Physician | 207L00000X | 20A17673 | CA | |
| Pain Medicine (Anesthesiology) Physician | 207LP2900X | 34.016010 | OH | |
| Pediatric Anesthesiology Physician | 207LP3000X | 34.016010 | OH | |
| Pediatric Anesthesiology Physician | 207LP3000X | 20A17673 | CA | Primary |
Addresses
Primary practice location
521 Parnassus Ave FL 4
San Francisco, CA 94143-2206
Mailing address
521 Parnassus Ave FL 4
San Francisco, CA 94143-2206
Phone (415) 476-9035
Other practice location 1
700 Childrens Dr
Columbus, OH 43205-2664
Phone (614) 722-4200
Other practice location 2
455 Executive Campus Dr
Westerville, OH 43082-8870
Phone (614) 722-4200
Other practice location 3
405 Butterfly Gardens Dr
Columbus, OH 43215-3427
Phone (614) 722-4200
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0495744 | Medicaid | OH |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OH, CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Lake Erie Col of Osteo Med at Seton Hill Univ, 2014
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 17673 | CA | MD | Chiropractor |
| 20A17673 | CA | MD | Anesthesiology Physician |
| 34.016010 | OH | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of California San Francisco | Current | Accepting new patients | |
| UCSF Medical Group Business Services | Current | Accepting new patients | |
| University Anesthesia Medical Group | Anesthesiology | Current | Accepting new patients |
| University of California San Francisco | Current | Accepting new patients | |
| UCSF Medical Group Business Services | Current | Accepting new patients | |
| Children'S Anesthesia Associates Inc | Anesthesiology | Current | Accepting new patients |
| UCSF Medical Center | Anesthesiology | Past | Accepting new patients |
Locations
400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000
521 Parnassus Ave
Fl 4
San Francisco, CA 94143
Phone (415) 476-9035
2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503
505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058
2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444
405 Butterfly Gardens Dr
Columbus, OH 43215
Phone (614) 722-4200
700 Childrens Dr
Columbus, OH 43205
Phone (614) 722-4411
455 Executive Campus Dr
Westerville, OH 43082
Phone (614) 355-6100
Interoperability endpoints
- mbozych374208@direct-ucsfmedicalcenter.org
Organizations & group practices 7
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.
-
- Anesthesiology Physician
- San Francisco, CA
- NPI 1528137296
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1477624104
-
- Pediatrics Physician
- San Francisco, CA
- NPI 1861578973
-
- Anesthesiology Physician
- Columbus, OH
- NPI 1629020680
-
- Health Service Clinic/Center
- San Francisco, CA
- NPI 1194115246
-
- Community/Retail Pharmacy
- San Francisco, CA
- NPI 1659141711
-
- Anesthesiology Physician
- San Francisco, CA
- NPI 1205016011
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1523059200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1742169600000",
"number": "1033616941",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "521 PARNASSUS AVE FL 4",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941432206",
"telephone_number": "415-476-9035",
"fax_number": "415-353-9163"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "521 PARNASSUS AVE FL 4",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941432206",
"telephone_number": "415-476-9035",
"fax_number": "415-353-9163"
}
],
"practiceLocations": [
{
"address_1": "700 Childrens Dr",
"address_purpose": "LOCATION",
"city": "Columbus",
"state": "OH",
"postal_code": "432052664",
"country_code": "US",
"telephone_number": "614-722-4200",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "455 Executive Campus Dr",
"address_purpose": "LOCATION",
"city": "Westerville",
"state": "OH",
"postal_code": "430828870",
"country_code": "US",
"telephone_number": "614-722-4200",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "405 Butterfly Gardens Dr",
"address_purpose": "LOCATION",
"city": "Columbus",
"state": "OH",
"postal_code": "432153427",
"country_code": "US",
"telephone_number": "614-722-4200",
"fax_number": "614-722-4203",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BOZYCH",
"first_name": "MARC",
"credential": "DO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2018-04-07",
"last_updated": "2025-03-17",
"certification_date": "2025-03-17",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "OH",
"license": "34.016010",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "CA",
"license": "20A17673",
"primary": false
},
{
"code": "207LP2900X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pain Medicine",
"state": "OH",
"license": "34.016010",
"primary": false
},
{
"code": "207LP3000X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pediatric Anesthesiology",
"state": "OH",
"license": "34.016010",
"primary": false
},
{
"code": "207LP3000X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pediatric Anesthesiology",
"state": "CA",
"license": "20A17673",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0495744",
"state": "OH"
}
],
"endpoints": [],
"other_names": []
}
Other providers in San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 17, 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.