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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ELEEN ZAREBIDAKI MD
NPI 1285262931
Pediatrics in Vacaville, CA

Active since March 30, 2020PECOS Enrolled
421 NUT TREE RD, VACAVILLE, CA 95687(707) 624-7500 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 16, 2026, Jun 22, 2023, Mar 30, 2020 (3 updates tracked since 2020).

About Eleen Zarebidaki Md NPPES

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

ELEEN ZAREBIDAKI MD (NPI 1285262931) is an individual pediatrics provider in Vacaville, California, licensed in California (191184) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285262931
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameELEEN ZAREBIDAKICredential: MD
Location Address421 NUT TREE RDVacaville, CA 95687-3508
Mailing Address421 Nut Tree RdVacaville, CA 95687-3508
Phone(707) 624-7500
Sole ProprietorNo
Enumeration DateMarch 30, 2020
Last NPPES UpdateSeptember 16, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2026
✔ NPI 1285262931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · 191184
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
421 NUT TREE RD, Vacaville, CA 95687
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eleen Zarebidaki Md 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 Reassignments

2

Medicare enrollment records show Eleen Zarebidaki reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northbay Healthcare Group
0.6 mi
General Acute Care Hospital
1000 NUT TREE RD
Vacaville, CA 95687
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Northbay Physicians Surgery Center, LLC
  • 516 clinicians in this Medicare group
NPI 1255483202 (707) 646-3401
Northbay Health Medical Foundation
14 mi
Internal Medicine
4500 BUSINESS CENTER DR
Fairfield, CA 94534
  • Reassigned Medicare billing, California enrollment
  • 225 clinicians in this Medicare group
NPI 1760283527 (707) 646-3110

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 95687 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
$98.85 typical visit price
range $65.02 – $191.95
Typical copayment $24.71 (range $16.25 – $47.98)
Most-billed visit code 99203
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. TREESA ANTONY DNP, FNP-BC, RN-BSN
Nurse Practitioner (Family)
421 NUT TREE RD
VACAVILLE, CA 95687
Solano County (707) 646-5500
MATTHEW M HEEREN M.D.
Pediatrics
421 NUT TREE RD
VACAVILLE, CA 95687
Solano County (707) 624-7500
MR. NICOLAS RICHARD LAZAREWICZ FNP
Nurse Practitioner
421 NUT TREE RD
VACAVILLE, CA 95687
Solano County (707) 624-7500
STEPHEN R NEWMAN M.D.
Family Medicine
421 NUT TREE RD
VACAVILLE, CA 95687
Solano County (707) 455-3000
ALFREDO OVALLE M.D.
Family Medicine
421 NUT TREE RD
VACAVILLE, CA 95687
Solano County (707) 624-7500
MR. MARK RICHARD BROWN FNP-C
Nurse Practitioner (Family)
421 NUT TREE RD
VACAVILLE, CA 95687
Solano County (707) 624-7500
SANDRA BETH SKATES D,O.
Neuromusculoskeletal Medicine & OMM
421 NUT TREE RD
VACAVILLE, CA 95687
Solano County (707) 624-7580
DR. RAJDEEP SINGH KULAR MD
Family Medicine
421 NUT TREE RD
VACAVILLE, CA 95687
Solano County (707) 624-7500

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 Eleen Zarebidaki's NPI number?

The NPI number for Eleen Zarebidaki is 1285262931. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is Eleen Zarebidaki located?

Eleen Zarebidaki practices at 421 Nut Tree Rd, Vacaville, CA 95687. The listed phone number is (707) 624-7500.

What is Eleen Zarebidaki's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Eleen Zarebidaki enrolled in Medicare?

Yes. Eleen Zarebidaki is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Eleen Zarebidaki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eleen Zarebidaki reassigns Medicare benefits to 2 organizations: Northbay Healthcare Group (Vacaville, CA) and Northbay Health Medical Foundation (Fairfield, CA). Each 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 Eleen Zarebidaki'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 Eleen Zarebidaki was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.