Georgina L. Calderon, MD

Medicare activity in 2024

Official CMS public-use data for Georgina L. Calderon, 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. Emergency department visit with moderate level of medical decision making (99284)230 services
2. Emergency department visit with high level of medical decision making (99285)173 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)129 services
4. Critical care, first 30-74 minutes (99291)92 services
5. Emergency department visit with low level of medical decision making (99283)44 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 pressure74%
• High cholesterol65%
• Arthritis44%
• Anxiety36%
• Diabetes33%
• Depression30%

Hospitals where Georgina L. Calderon works

Medicare's Facility Affiliation Data lists Georgina L. Calderon 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.

• Adventist Health ClearlakeClearlake, CA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 051317
• Adventist Health Howard MemorialWillits, CA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 051310
• Adventist Health Ukiah ValleyUkiah, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050301

Practice locations

Addresses where Georgina L. Calderon is enrolled with Medicare (CMS data updated October 2, 2026).

• 275 Hospital DrUkiah, CA 95482 (707) 462‑3111

Group practices

Medicare enrollment lists Georgina L. Calderon as a member of this group (CMS data updated October 2, 2026).

• Pacific Redwood Medical Group Inc58 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Ukiah

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

• Sam Dercon, MD
• John D. Colfax, MD
• Nicholas Montano
• Duncan M. Johnston, MD
• Samuel Martisius, DO
• Esteban Cubillos Torres, MD
• Sreeram Duriseti, MD
• Neil R. Parekh, MD

All emergency medicine doctors in Ukiah →

Other clinicians in Pacific Redwood Medical Group Inc

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

• Sam Dercon, MD
• John D. Colfax, MD
• Aaron Streufert, NP
• Duncan M. Johnston, MD
• Sasha Yusem, DO
• James F. Dolan, 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