MARC BOZYCH DO
NPI 1033616941
Anesthesiology - Pediatric Anesthesiology in San Francisco, CA
About Marc Bozych Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC BOZYCH DO (NPI 1033616941) is an individual pediatric anesthesiology provider in San Francisco, California, licensed in California (20A17673) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Lake Erie Col Of Osteo Med At Seton Hill Univ (2014).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marc Bozych Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Marc Bozych reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 188 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marc Bozych's NPI number?
The NPI number for Marc Bozych is 1033616941. It was assigned to this individual provider in the NPPES registry on April 7, 2018.
Where is Marc Bozych located?
Marc Bozych practices at 521 Parnassus Ave Fl 4, San Francisco, CA 94143. The listed phone number is (415) 476-9035.
What is Marc Bozych's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.
Is Marc Bozych enrolled in Medicare?
Yes. Marc Bozych is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marc Bozych's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Bozych reassigns Medicare benefits to 4 organizations: University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Children's Anesthesia Associates Inc (Columbus, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marc Bozych's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marc Bozych was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marc Bozych, DO · NPI 1033616941
Pediatric Anesthesiology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 7, 2018.
## Identity
- **NPI:** 1033616941 (Entity type: Individual)
- **Enumerated:** April 7, 2018
- **Primary specialty:** Anesthesiology - Pediatric Anesthesiology · taxonomy 207LP3000X
- **State license:** 20A17673 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 521 PARNASSUS AVE FL 4, San Francisco, CA 94143-2206
- **Phone:** (415) 476-9035 · **Fax:** (415) 353-9163
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Children's Anesthesia Associates Inc (NPI 1629020680, Columbus, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie Col Of Osteo Med At Seton Hill Univ, class of 2014
## Record status
- **NPPES last updated:** March 17, 2025
- **Other identifiers:** Medicaid 0495744 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1033616941) · Data from the CMS NPPES public registry.