ALICIA AMELIA GUEVARA M.D.
NPI 1629295217
Family Medicine in Thousand Oaks, CA
About Alicia Amelia Guevara M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALICIA AMELIA GUEVARA M.D. (NPI 1629295217) is an individual family medicine provider in Thousand Oaks, California, licensed in California (A95110) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Drexel University College Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Alicia Amelia Guevara 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.
Medicare Billing Reassignments
2Medicare enrollment records show Alicia Guevara reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 403 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.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91361 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THOUSAND OAKS, CA 91361
THOUSAND OAKS, 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 Alicia Guevara's NPI number?
The NPI number for Alicia Guevara is 1629295217. It was assigned to this individual provider in the NPPES registry on April 18, 2007.
Where is Alicia Guevara located?
Alicia Guevara practices at 248 Hampshire Rd Ste 100, Thousand Oaks, CA 91361. The listed phone number is (805) 370-0040.
What is Alicia Guevara's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alicia Guevara enrolled in Medicare?
Yes. Alicia Guevara 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 Alicia Guevara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alicia Guevara reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California (Los Angeles, CA) and Sansum Clinic (Santa Barbara, 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 Alicia Guevara'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 Alicia Guevara was last updated on October 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.