MARK TOMISLAV GRABOVAC MD
NPI 1720028897
Anesthesiology in San Francisco, CA
About Mark Tomislav Grabovac Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK TOMISLAV GRABOVAC MD (NPI 1720028897) is an individual anesthesiology provider in San Francisco, California, licensed in California (G76893) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
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
Mark Tomislav Grabovac Md 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 Reassignment
Medicare enrollment records show Mark Grabovac reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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.
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 94118
SAN FRANCISCO, CA 94118
SAN FRANCISCO, CA 94118
SAN FRANCISCO, CA 94118
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 Mark Grabovac's NPI number?
The NPI number for Mark Grabovac is 1720028897. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Mark Grabovac located?
Mark Grabovac practices at 3700 California St, San Francisco, CA 94118. The listed phone number is (415) 719-0000.
What is Mark Grabovac's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Grabovac enrolled in Medicare?
Yes. Mark Grabovac 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 organization bills Medicare for Mark Grabovac's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Grabovac reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The 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 Mark Grabovac'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 Mark Grabovac was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Mark Tomislav Grabovac, MD · NPI 1720028897
Anesthesiology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1720028897 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G76893 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3700 CALIFORNIA ST, San Francisco, CA 94118-1618
- **Phone:** (415) 719-0000
## 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:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1991
## Record status
- **NPPES last updated:** December 16, 2021
- **Other identifiers:** Medicaid 00G768930 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1720028897) · Data from the CMS NPPES public registry.