Brian Kellert, D.O.
NPI 1215224761 · Obstetrics & Gynecology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Kellert, D.O. is a Obstetrics & Gynecology Physician provider in Walnut Creek, CA (NPI 1215224761).
Provider details
- NPI number
- 1215224761
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A15787 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 395 W 12th AveColumbus, OH 43210-1267Phone: (614) 293-8515Fax: (614) 293-5877
Registry dates
- Enumerated
- 2011-07-06
- Last updated
- 2018-03-17
Frequently asked questions
- What is Brian Kellert's NPI number?
- Brian Kellert's National Provider Identifier (NPI) is 1215224761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Kellert's specialty?
- Brian Kellert is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Kellert located?
- Brian Kellert's practice location on file with NPPES is 110 Tampico Drive Suite 100, Walnut Creek, CA 94598-1267.
- What is Brian Kellert's phone number?
- The practice phone number listed in the NPPES registry for Brian Kellert is (925) 891-9033.
- Does Brian Kellert accept Medicare?
- Brian Kellert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Kellert's NPI active?
- Yes — Brian Kellert's NPI (1215224761) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.