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ESTHER QUIJOY CATALYA M.D.
NPI 1629184148
Internal Medicine - Hematology & Oncology in Pleasant Hill, CA

Active since August 21, 2006PECOS Enrolled
400 TAYLOR BLVD, SUITE 202, PLEASANT HILL, CA 94523(925) 672-5041(925) 677-5025 Get Directions Write a Review

NPPES record last updated: August 8, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Esther Quijoy Catalya M.d. NPPES

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

ESTHER QUIJOY CATALYA M.D. (NPI 1629184148) is an individual hematology & oncology provider in Pleasant Hill, California, licensed in California (A44912) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629184148
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameESTHER QUIJOY CATALYACredential: M.D.
Location Address400 TAYLOR BLVD, SUITE 202Pleasant Hill, CA 94523-2147
Mailing Address400 Taylor Blvd, Suite 202Pleasant Hill, CA 94523-2147 · (925) 672-5041 · Fax (925) 677-5025
Phone(925) 672-5041
Fax(925) 677-5025
Sole ProprietorNo
Enumeration DateAugust 21, 2006
Last NPPES UpdateAugust 8, 2013
✔ NPI 1629184148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A44912
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
400 TAYLOR BLVD, Pleasant Hill, CA 94523
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINF01429
Medicare ID-Type Unspecified00A449120CA
Medicare PINCE773ZCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Esther Quijoy Catalya M.d. 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 Esther Catalya reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

John Muir Trauma Physicians Billing Service
3.8 mi
Trauma Surgery
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 810 clinicians in this Medicare group
NPI 1962551861 (925) 947-5331

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 94523 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

JASMIN LILY ESHRAGH C.N.S.
Clinical Nurse Specialist (Oncology)
400 TAYLOR BLVD, SUITE 101
PLEASANT HILL, CA 94523
Contra Costa County (925) 825-8878
MATTHEW NELSON SIROTT M.D.
Internal Medicine (Hematology & Oncology)
400 TAYLOR BLVD, STE 202
PLEASANT HILL, CA 94523
Contra Costa County (925) 677-5041
DR. JONATHAN HARRIS HECHT M.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Contra Costa County (925) 691-9688
RUJUL RAKESHKUMAR DESAI MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 TAYLOR BLVD
PLEASANT HILL, CA 94523
Contra Costa County (718) 844-6551
CARDIOVASCULAR CONSULTANTS MEDICAL GROUP, INC.
Internal Medicine (Cardiovascular Disease)
400 TAYLOR BLVD, #101
PLEASANT HILL, CA 94523
Contra Costa County (925) 274-2860
DAVID BUFFUM R.N., N.P.
Nurse Practitioner (Gerontology)
400 TAYLOR BLVD, STE 202
PLEASANT HILL, CA 94523
Contra Costa County (925) 677-5041
DIABLO VALLEY CHILD NEUROLOGY INC
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Contra Costa County (925) 691-9688
MS. DAWN MARIE SABORIT CPNP
Nurse Practitioner (Pediatrics)
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Contra Costa County (925) 691-9688

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 Esther Catalya's NPI number?

The NPI number for Esther Catalya is 1629184148. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Esther Catalya located?

Esther Catalya practices at 400 Taylor Blvd Suite 202, Pleasant Hill, CA 94523. The listed phone number is (925) 672-5041.

What is Esther Catalya's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Esther Catalya enrolled in Medicare?

Yes. Esther Catalya is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Esther Catalya's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Esther Catalya reassigns Medicare benefits to John Muir Trauma Physicians Billing Service (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 Esther Catalya'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 Esther Catalya was last updated on August 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.