Tiffany M. Castellano, MD

Medicare activity in 2024

Official CMS public-use data for Tiffany M. Castellano, 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)336 services
2. Removal of tissue from wound, 20.0 sq cm or less (97597)226 services
3. Removal of tissue from wound, each additional 20.0 sq cm (97598)149 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)93 services
5. Management of oxygen chamber therapy (99183)72 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 cholesterol69%
• Arthritis50%
• Chronic kidney disease35%
• Ischemic heart disease33%
• Depression33%

Hospitals where Tiffany M. Castellano works

Medicare's Facility Affiliation Data lists Tiffany M. Castellano 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 Tiffany M. Castellano is enrolled with Medicare (CMS data updated October 2, 2026).

• 200 W Arbor DrSan Diego, CA 92103 (858) 657‑7000

Group practices

Medicare enrollment lists Tiffany M. Castellano as a member of this group (CMS data updated October 2, 2026).

• Regents of the University of California2,089 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in San Diego

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

• Danielle A. Wickman, MD
• Tyler M. Dohm, MD
• Kevin M. Kelly Jr., MD
• Andrea E. Comiskey, MD
• Sari Lahham, MD
• Tamara Casas, MD
• Scott T. Ninokawa, MD
• Benjamin I. Liotta, MD

All emergency medicine doctors in San Diego →

Other clinicians in Regents of the University of California

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

• Amy D. Bacani
• Ah-Reum Jeong, MD
• Anjoulie Pujji, DO
• Momo C. Kurosaka, MD
• Jenelle Raynowska, MD
• Kamila B. Zasowska, 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