ROSEMARY FLORES M.D.
NPI 1871593095
Specialist in Thousand Oaks, CA

Active since July 29, 2005PECOS EnrolledAccepts Medicare Assignment
3180 WILLOW LN, #200, THOUSAND OAKS, CA 91361(805) 497-3239(805) 497-3110 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Rosemary Flores M.d. NPPES

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

ROSEMARY FLORES M.D. (NPI 1871593095) is an individual specialist in Thousand Oaks, California, licensed in California (A63292) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1996).

NPPES Registry Identity

NPI1871593095
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameROSEMARY FLORESCredential: M.D.
Location Address3180 WILLOW LN, #200Thousand Oaks, CA 91361-4941
Mailing Address3180 Willow Ln, #200Thousand Oaks, CA 91361-4941 · (805) 497-3239 · Fax (805) 497-3110
Fax(805) 497-3110
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 1996
Enumeration DateJuly 29, 2005
Last NPPES UpdateDecember 1, 2021
✔ NPI 1871593095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A63292
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3180 WILLOW LN, Thousand Oaks, CA 91361

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rosemary Flores M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456252543
PECOS Enrollment IDI20040120001093
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 Rosemary Flores reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Specialist
3180 WILLOW LN STE 212
Thousand Oaks, CA 91361
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
Health Maintenance Organization
5601 DE SOTO AVE
Woodland Hills, CA 91367
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Specialist
3180 WILLOW LN, #200
THOUSAND OAKS, CA 91361
Chiropractor
3180 WILLOW LN, SUITE 110
THOUSAND OAKS, CA 91361
Non-Pharmacy Dispensing Site
3180 WILLOW LN, SUITE 102
THOUSAND OAKS, CA 91361
Nurse Practitioner (Family)
3180 WILLOW LN, SUITE 102
THOUSAND OAKS, CA 91361
Obstetrics & Gynecology
3180 WILLOW LN, SUITE 108
THOUSAND OAKS, CA 91361
Clinical Medical Laboratory
3180 WILLOW LN, SUITE 220
THOUSAND OAKS, CA 91361
Chiropractor
3180 WILLOW LN, SUITE 204
THOUSAND OAKS, CA 91361
Durable Medical Equipment & Medical Supplies (Oxygen Equipment & Supplies)
3180 WILLOW LN, SUITE 220
WESTLAKE VILLAGE, CA 91361

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 Rosemary Flores's NPI number?

The NPI number for Rosemary Flores is 1871593095. It was assigned to this individual provider in the NPPES registry on July 29, 2005.

Where is Rosemary Flores located?

Rosemary Flores practices at 3180 Willow Ln #200, Thousand Oaks, CA 91361. The listed phone number is (805) 497-3239.

What is Rosemary Flores's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Rosemary Flores enrolled in Medicare?

Yes. Rosemary Flores is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Rosemary Flores's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rosemary Flores reassigns Medicare benefits to 2 organizations: Conejo Medical And Breast Care Center A Medical Corporation (Thousand Oaks, CA) and Southern California Permanente Medical Group (Woodland Hills, 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 Rosemary Flores'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 Rosemary Flores was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.