DR. REGINA PATRICIA CRUZ SINGSON MD
NPI 1609842863
Pathology - Anatomic Pathology & Clinical Pathology in Thousand Oaks, CA

Q: What is Regina Patricia Singson's NPI number?

The NPI number for Regina Patricia Singson is 1609842863. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Q: What is Regina Patricia Singson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Active since February 27, 2006PECOS Enrolled

215 W JANSS RD, THOUSAND OAKS, CA 91360(805) 373-8582(805) 373-6865 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Regina Patricia Cruz Singson Md NPPES

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

DR. REGINA PATRICIA CRUZ SINGSON MD (NPI 1609842863) is an individual anatomic pathology & clinical pathology provider in Thousand Oaks, California, licensed in California (A55921) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609842863

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. REGINA PATRICIA CRUZ SINGSONCredential: MD

Location Address215 W JANSS RDThousand Oaks, CA 91360

Mailing Address2190 Lynn Rd, Ste 220Thousand Oaks, CA 91360 · (805) 495-8050 · Fax (805) 496-2160

Phone(805) 373-8582

Fax(805) 373-6865

Sole ProprietorNo

Enumeration DateFebruary 27, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1609842863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · A55921

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

215 W JANSS RD, Thousand Oaks, CA 91360

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Other Identifiers 1

MedicaidA55921CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Regina Patricia Cruz Singson 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 Reassignment

Medicare enrollment records show Regina Patricia Singson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Glover Kelty And Schultheis M Ds

Same address

Anatomic Pathology & Clinical Pathology

215 W JANSS RD, PATHOLOGY DEPARTMENT
Thousand Oaks, CA 91360

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Glover, Kelty & Schultheis Mds
6 clinicians in this Medicare group

NPI 1245263243 (805) 373-8582

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 91360 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

$140.72 typical visit price

range $62.32 – $185.36

Typical copayment $35.18 (range $15.58 – $46.34)

Most-billed visit code 99204

Established Patient

$108.74 typical visit price

range $20.68 – $151.85

Typical copayment $27.18 (range $5.17 – $37.96)

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.

LOS ROBLES RADIOLOGIC ASSOCIATES

Radiology (Diagnostic Radiology)