Dan Negoianu, MD

Medicare activity in 2024

Official CMS public-use data for Dan Negoianu, 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. Hemodialysis procedure with physician evaluation (90935)99 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)76 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)74 services
4. Other inpatient or outpatient dialysis procedure (90999)70 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)33 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 disease75%
• Heart failure75%
• Diabetes63%
• Ischemic heart disease58%

Hospitals where Dan Negoianu works

Medicare's Facility Affiliation Data lists Dan Negoianu 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

Practice locations

Addresses where Dan Negoianu is enrolled with Medicare (CMS data updated October 2, 2026).

• 3400 Spruce St 210 White Bldg, Renal Electrolyte HupPhiladelphia, PA 19104 (215) 662‑2638
• 3400 Spruce St 210 White Building, Renal Electrolyte HupPhiladelphia, PA 19104 (215) 662‑2638
• 3701 Market St, Fl 1Philadelphia, PA 19104 (215) 387‑2658
• 501 S 54th StPhiladelphia, PA 19143 (215) 662‑3202

Group practices

Medicare enrollment lists Dan Negoianu as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in Pennsylvania →

Other nephrologists in Philadelphia

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

• Abhijeet Pal, MD
• Omar H. Maarouf, MD
• Maria Martinez Cantarin, MD
• Gitana Bradauskaite, MD
• Hasan Arif, MD
• Saurabh Gupta, MD
• Amanda K. Leonberg Yoo, MD
• Edward Filippone

All nephrologists in Philadelphia →

Other clinicians in University of Penn - Medical Group

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

• Leslie A. Gonce
• Marissa L. Berlant, PA
• Henry Liu, MD
• Farhoud Faraji, MD
• Julia Jacob, MD
• Daniel Yoshor, 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