Alicia A. Guevara, MD

Medicare activity in 2024

Official CMS public-use data for Alicia A. Guevara, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)572 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)499 services
3. Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)55 services
4. Detection test by immunoassay technique for influenza virus (87400)48 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)40 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure68%
• Arthritis59%
• Ischemic heart disease37%
• Diabetes26%
• Anxiety26%

Practice locations

Addresses where Alicia A. Guevara is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Moody Ct, Suite 200Thousand Oaks, CA 91360 (805) 418‑3500
• 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
• 248 Hampshire Rd, Suite 100Thousand Oaks, CA 91361 (805) 370‑0040

Group practices

Medicare enrollment lists Alicia A. Guevara as a member of this group (CMS data updated October 2, 2026).

• The Regents of the University of California1,462 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Thousand Oaks

Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.

• Shawn F. Whelan, DO
• Irina Feldman, MD
• Lina Hadj Smaine, DO
• Susan J. Cheng, MD
• Casey G. Batten, MD
• Poonam Somani, MD
• Steven H. Suchman, MD
• Nicola Azar, MD

All family doctors in Thousand Oaks →

Other clinicians in The Regents of the University of California

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Leigh C. Reardon, MD
• Arnold Baas, MD
• Negeen Shahandeh, MD
• Eskedar L. Gizaw, NP
• Seeduwa Mudiyans O. Bandara, MD
• Jessica L. Lucier, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
4. Medicare Care Compare — official Medicare tool to look up clinicians