Natalia N. Bilan, MD

Medicare activity in 2024

Official CMS public-use data for Natalia N. Bilan, 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)177 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)46 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)40 services
4. Assessment of and care planning for patient with impaired thought processing, typically 60 minutes (99483)21 services
5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)20 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 cholesterol64%
• High blood pressure56%
• Arthritis34%
• Diabetes28%
• Anxiety21%
• Osteoporosis17%

Hospitals where Natalia N. Bilan works

Medicare's Facility Affiliation Data lists Natalia N. Bilan 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.

• Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603

Practice locations

Addresses where Natalia N. Bilan is enrolled with Medicare (CMS data updated October 2, 2026).

• 29809 Santa Margarita Pkwy, Suite 300Rancho Santa Margarita, CA 92688 (949) 709‑5100

Group practices

Medicare enrollment lists Natalia N. Bilan as a member of this group (CMS data updated October 2, 2026).

• Excel Physicians Medical Corporation2 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Rancho Santa Margarita

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

• Mark Vincent, MD
• John Foley, MD
• Mark A. Cianciola, MD
• Kenneth A. Kazenelson, MD
• Faranak C. Ghazi, MD
• Peter S. Desilva, MD
• Mark E. Adlard, MD
• Huy M. Huynh, DO

All family doctors in Rancho Santa Margarita →

Other clinicians in Excel Physicians Medical Corporation

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

• Peter S. Desilva, 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