Elena Y. Agafonova, MD

Medicare activity in 2024

Official CMS public-use data for Elena Y. Agafonova, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)482 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)218 services
3. Hospital discharge day management, more than 30 minutes (99239)207 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)125 services
5. Hospital discharge day management, 30 minutes or less (99238)74 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 pressure75%
• High cholesterol75%
• Arthritis54%
• Chronic kidney disease44%
• Depression41%
• Anxiety39%

Hospitals where Elena Y. Agafonova works

Medicare's Facility Affiliation Data lists Elena Y. Agafonova 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.

• French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050232
• Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050107

Practice locations

Addresses where Elena Y. Agafonova is enrolled with Medicare (CMS data updated October 2, 2026).

• 1400 E Church StSanta Maria, CA 93454 (805) 739‑3000
• 345 S Halcyon RdArroyo Grande, CA 93420 (805) 489‑4261

Group practices

Medicare enrollment lists Elena Y. Agafonova as a member of this group (CMS data updated October 2, 2026).

• Central Coast In-Patient Consultants Inc32 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Santa Maria

Clinicians with the same Medicare primary specialty in Santa Maria, CA — not a recommendation.

• Samuel Densen, MD
• Alina A. Dalmendray, MD
• Jason C. Choi, MD
• Hatem K. Mezher, MD
• Brian W. Fields, DO
• Katie M. Julian, MD
• Mohammad A. Arain, MD
• James P. Sweeney, MD

All internal medicine doctors in Santa Maria →

Other clinicians in Central Coast In-Patient Consultants Inc

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

• Alina A. Dalmendray, MD
• Roman M. Winter, MD
• Ijeoma A. Ofiaeli, MD
• Brian W. Fields, DO
• Brandon M. Penn, DO
• Katie M. Julian, 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. 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