Jonathan F. Rosenfeld, MD

Medicare activity in 2024

Official CMS public-use data for Jonathan F. Rosenfeld, 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)184 services
2. X-ray of wrist, minimum of 3 views (73110)120 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)120 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)113 services
5. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)112 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%
• Arthritis64%
• Ischemic heart disease33%
• Diabetes27%
• Anxiety26%

Hospitals where Jonathan F. Rosenfeld works

Medicare's Facility Affiliation Data lists Jonathan F. Rosenfeld 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.

• Phoenixville HospitalPhoenixville, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390127
• Pottstown HospitalPottstown, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390123
• Reading HospitalWest Reading, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390044

Practice locations

Addresses where Jonathan F. Rosenfeld is enrolled with Medicare (CMS data updated October 2, 2026).

• 321 N Furnace StBirdsboro, PA 19508 (610) 582‑2250
• 420 W Linfield Trappe Rd, Suite 2000Limerick, PA 19468 (610) 525‑1000
• 826 Main St, Suite 202Phoenixville, PA 19460 (610) 525‑1000

Group practices

Medicare enrollment lists Jonathan F. Rosenfeld as a member of these groups (CMS data updated October 2, 2026).

• Keystone Rehabilitation Systems Inc776 clinicians in the group
• Phoenixville Orthopedic Specialists LLC11 clinicians in the group

Specialties

• Hand Surgeryprimary
• Orthopedic Surgeryalso

Find other Hand Surgery doctors in Pennsylvania →

Other hand surgeons in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

• Lawrence S. Levin, MD
• Colin M. Vroome, MD
• Jovito Angeles, MD
• Hannah H. Lee, MD
• Rowena McBeath, MD
• Jack Abboudi, MD
• Lance M. Brunton
• Joel C. Klena, MD

All hand surgeons in Pennsylvania →

Other clinicians in Keystone Rehabilitation Systems Inc

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

• Kyle Price
• Nicole E. Weschler, PA
• Joshua A. Tuck, DO
• William G. Kracht, DO
• Gerard A. Myers, DO
• Stephen Sargent, 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