Tatiana D. Thema, MD

Medicare activity in 2024

Official CMS public-use data for Tatiana D. Thema, 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. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)80 services
2. Emergency department visit with high level of medical decision making (99285)58 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)45 services
4. Critical care, first 30-74 minutes (99291)26 services
5. Emergency department visit with moderate level of medical decision making (99284)14 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 cholesterol72%
• Arthritis51%
• Diabetes35%
• Anxiety34%
• Ischemic heart disease33%

Hospitals where Tatiana D. Thema works

Medicare's Facility Affiliation Data lists Tatiana D. Thema 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.

• Tacoma General Allenmore HospitalTacoma, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500129

Practice locations

Addresses where Tatiana D. Thema is enrolled with Medicare (CMS data updated October 2, 2026).

• 1901 S Union AveTacoma, WA 98405 (253) 459‑6633
• 315 Martin Luther King Jr WayTacoma, WA 98405 (253) 403‑1000

Group practices

Medicare enrollment lists Tatiana D. Thema as a member of this group (CMS data updated October 2, 2026).

• Tacoma Emergency Care Physicians PLLC87 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Washington →

Other emergency medicine doctors in Tacoma

Clinicians with the same Medicare primary specialty in Tacoma, WA — not a recommendation.

• Brendan T. Parker, MD
• Arjun Singh, MD
• Thuy V. Pham, MD
• Douglas L. Hayden, MD
• Keith S. Gates, MD
• Jeffrey T. Gerton, MD
• Gabriel Morales, MD
• Mark H. Eisenberg, MD

All emergency medicine doctors in Tacoma →

Other clinicians in Tacoma Emergency Care Physicians PLLC

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

• Shannon Scherer, NP
• Madeleine King, MD
• Megan D. Casto, NP
• Brian J. Beerbower, MD
• Michael H. Obrien McGinty, MD
• Caitlin Dotlich, PA

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