GREGORY P VRANKOVICH D.C.
NPI 1497991525
Chiropractor in Oakland, CA
About Gregory P Vrankovich D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY P VRANKOVICH D.C. (NPI 1497991525) is an individual chiropractor in Oakland, California, licensed in California (31096) and active in the NPI registry since December 2008. He is a graduate of Life Chiropractic College - West (2008).
NPPES Registry Identity
Specialties & Licenses
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
Gregory P Vrankovich D.c. 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 Gregory Vrankovich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oakland, CA 94607
- Reassigned Medicare billing, California enrollment
- 2 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gregory Vrankovich's NPI number?
The NPI number for Gregory Vrankovich is 1497991525. It was assigned to this individual provider in the NPPES registry on December 18, 2008.
Where is Gregory Vrankovich located?
Gregory Vrankovich practices at 311 Oak St Ste C2, Oakland, CA 94607. The listed phone number is (510) 655-3456.
What is Gregory Vrankovich's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Gregory Vrankovich enrolled in Medicare?
Yes. Gregory Vrankovich 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 Gregory Vrankovich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Vrankovich reassigns Medicare benefits to Vrankovich Chiropractic Inc (Oakland, 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 Gregory Vrankovich'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 Gregory Vrankovich was last updated on June 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Gregory P Vrankovich, D.C. · NPI 1497991525
Chiropractor provider in Oakland, California. Individual provider, active in the CMS NPPES registry since December 18, 2008.
## Identity
- **NPI:** 1497991525 (Entity type: Individual)
- **Enumerated:** December 18, 2008
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 31096 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 311 OAK ST STE C2, Oakland, CA 94607-4635
- **Phone:** (510) 655-3456
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Vrankovich Chiropractic Inc (NPI 1164689832, Oakland, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Life Chiropractic College - West, class of 2008
## Record status
- **NPPES last updated:** June 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1497991525) · Data from the CMS NPPES public registry.