Timothy W. Clark, MD

Medicare activity in 2024

Official CMS public-use data for Timothy W. Clark, 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. Ultrasonic guidance for blood vessel access (76937)139 services
2. Review by radiologist of additional artery image (75774)100 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)88 services
4. Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch (36247)62 services
5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)62 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%
• Chronic kidney disease56%
• Arthritis48%
• Ischemic heart disease48%
• Diabetes42%

Hospitals where Timothy W. Clark works

Medicare's Facility Affiliation Data lists Timothy W. Clark 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.

• Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111
• Penn Presbyterian Medical CenterPhiladelphia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390223
• Pennsylvania HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390226

Practice locations

Addresses where Timothy W. Clark is enrolled with Medicare (CMS data updated October 2, 2026).

• 3737 Market St, Fl 7Philadelphia, PA 19104 (215) 294‑9502

Group practices

Medicare enrollment lists Timothy W. Clark as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Interventional Radiologyprimary
• Diagnostic Radiologyalso

Find other Interventional Radiology doctors in Pennsylvania →

Other interventional radiologists in Philadelphia

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

• Shadi Sallit, MD
• Alexander Trebelev, MD
• Richard J. Gray, MD
• Robert W. Hurst, MD
• Ganesh Krishnamurthy, MD
• Terence P. Gade, MD
• Jeffrey I. Mondschein, MD
• Jared Meshekow, MD

All interventional radiologists in Philadelphia →

Other clinicians in University of Penn - Medical Group

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

• William J. Vernick, MD
• Laurel J. Glaser, MD
• Nia M. Bhadra-Heintz, MD
• Aaron J. Henderson, MD
• Marc-Andre Gascon, PA
• Michael J. Birkhoff, 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