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BRIAN KELLERT D.O.
NPI 1215224761
Obstetrics & Gynecology in Walnut Creek, CA

Active since July 06, 2011PECOS Enrolled
110 TAMPICO DRIVE SUITE 100, WALNUT CREEK, CA 94598(925) 891-9033(925) 891-9066 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Brian Kellert D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN KELLERT D.O. (NPI 1215224761) is an individual obstetrics & gynecology provider in Walnut Creek, California, licensed in California (20A15787) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and maintains a secondary practice location in Columbus.

NPPES Registry Identity

NPI1215224761
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameBRIAN KELLERTCredential: D.O.
Location Address110 TAMPICO DRIVE SUITE 100Walnut Creek, CA 94598-1267
Mailing Address110 Tampico Drive Suite 100Walnut Creek, CA 94598-2961 · (925) 891-9033 · Fax (925) 891-9066
Phone(925) 891-9033
Fax(925) 891-9066
Sole ProprietorYes
Enumeration DateJuly 6, 2011
Last NPPES UpdateMarch 17, 2018
✔ NPI 1215224761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · 20A15787
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
110 TAMPICO DRIVE SUITE 100, Walnut Creek, CA 94598
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Secondary Practice Location 1

Location 1395 W 12th AveColumbus, OH 43210-1267 · Phone (614) 293-8515 · Fax (614) 293-5877

Other Identifiers 1

Other20A15787CA · Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brian Kellert D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Brian Kellert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Diablo Valley Perinatal Associates, Inc
Same address
Maternal & Fetal Medicine
110 TAMPICO, SUITE 100
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1255645172 (925) 891-9033

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 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Brian Kellert's NPI number?

The NPI number for Brian Kellert is 1215224761. It was assigned to this individual provider in the NPPES registry on July 6, 2011.

Where is Brian Kellert located?

Brian Kellert practices at 110 Tampico Drive Suite 100, Walnut Creek, CA 94598. The listed phone number is (925) 891-9033.

What is Brian Kellert's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Brian Kellert enrolled in Medicare?

Yes. Brian Kellert is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Brian Kellert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Kellert reassigns Medicare benefits to Diablo Valley Perinatal Associates, Inc (Walnut Creek, 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 Brian Kellert'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 Brian Kellert was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.