Gregory Vrankovich, D.C.
NPI 1497991525 · Chiropractor · Oakland, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Vrankovich, D.C. is a Chiropractor provider in Oakland, CA (NPI 1497991525).
Provider details
- NPI number
- 1497991525
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- 31096 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-12-18
- Last updated
- 2023-06-27
- Certified
- 2023-06-27
Frequently asked questions
- What is Gregory Vrankovich's NPI number?
- Gregory Vrankovich's National Provider Identifier (NPI) is 1497991525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Vrankovich's specialty?
- Gregory Vrankovich is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Gregory Vrankovich located?
- Gregory Vrankovich's practice location on file with NPPES is 311 Oak St Ste C2, Oakland, CA 94607-4635.
- What is Gregory Vrankovich's phone number?
- The practice phone number listed in the NPPES registry for Gregory Vrankovich is (510) 655-3456.
- Does Gregory Vrankovich accept Medicare?
- Gregory Vrankovich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Vrankovich's NPI active?
- Yes — Gregory Vrankovich's NPI (1497991525) is active in the NPPES registry as of the last update on 2023-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.