Alec G. Contag, MD

Medicare activity in 2024

Official CMS public-use data for Alec G. Contag, 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 low level od decision making, if using time, 20 minutes or more (99213)58 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)19 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 blood pressure63%
• High cholesterol61%
• Arthritis59%
• Diabetes28%
• Depression28%
• Anxiety26%

Hospitals where Alec G. Contag works

Medicare's Facility Affiliation Data lists Alec G. Contag at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• UC San Diego Health Hillcrest - Hillcrest Medical CenterSan Diego, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050025

Practice locations

Addresses where Alec G. Contag is enrolled with Medicare (CMS data updated October 2, 2026).

• 1637 3rd Ave, Suite BChula Vista, CA 91911 (619) 662‑4100
• 200 W Arbor DrSan Diego, CA 92103 (858) 657‑7000

Group practices

Medicare enrollment lists Alec G. Contag as a member of these groups (CMS data updated October 2, 2026).

• Regents of the University of California2,089 clinicians in the group
• Centro de Salud de la Comunidad de San Ysidro, Inc.297 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Chula Vista

Clinicians with the same Medicare primary specialty in Chula Vista, CA — not a recommendation.

• David Lepez, MD
• Brendan J. Kidder, MD
• John R. Swartz, MD
• Carie C. Nguyen, MD
• Laura R. Cuevas, MD
• Jessica R. Adeleke, DO
• Allison M. Estrada, MD
• Alejandra Vazquez-Bojorquez, MD

All family doctors in Chula Vista →

Other clinicians in Regents of the University of California

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

• John Chang
• Juliana M. Da Silva, MD
• Sean J. Evans, MD
• Crystal N. Wiley Cene, MD
• Sarah F. Yamanishi, CNA
• Karen G. Deutsch, NP

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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians