Donald L. Siegel, MD

Medicare activity in 2024

Official CMS public-use data for Donald L. Siegel, 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. Blood bank physician services with written report (86079)121 services
2. Blood bank physician services for cross match and/or evaluation and written report (86077)82 services
3. Mechanical separation of plasma from blood (36514)38 services
4. Mechanical separation of red blood cells from blood (36512)16 services
5. Blood bank physician services for investigation of transfusion reaction with written report (86078)15 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%
• Arthritis44%
• Ischemic heart disease43%
• Chronic kidney disease43%
• Anxiety36%

Hospitals where Donald L. Siegel works

Medicare's Facility Affiliation Data lists Donald L. Siegel 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.

• Chester County HospitalWest Chester, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390179
• Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111

Practice locations

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

• 3400 Spruce St, Department of Pathology and Lab Medicine ConsPhiladelphia, PA 19104 (215) 662‑6503
• 800 Spruce St, Pathology Group PahPhiladelphia, PA 19107 (215) 829‑3000

Group practices

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

• University of Penn - Medical Group3,505 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in Pennsylvania →

Other pathologists in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

• Dana E. Martin, MD
• Gordon H. Yu, MD
• Yulan Gong, MD
• Carina Dehner, MD
• Edward B. Lee, MD
• Charalambos C. Solomides, MD
• Zahra Alipour, MD
• Emma E. Furth, MD

All pathologists in Philadelphia →

Other clinicians in University of Penn - Medical Group

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

• Dana E. Martin, MD
• Cullen E. Worsh, MD
• David M. Mintzer, MD
• Laura Smith, MD
• Kathleen McDonnell, NP
• David M. Raizen, 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