Joshua A. Rosenthal, MD

Medicare activity in 2024

Official CMS public-use data for Joshua A. Rosenthal, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)493 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)463 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)141 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)130 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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%
• Chronic kidney disease75%
• Diabetes58%
• Arthritis56%
• Ischemic heart disease56%

Hospitals where Joshua A. Rosenthal works

Medicare's Facility Affiliation Data lists Joshua A. Rosenthal 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.

• Berkeley Medical CenterMartinsburg, WV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 510008
• Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005
• Meritus Medical CenterHagerstown, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210001

Practice locations

Addresses where Joshua A. Rosenthal is enrolled with Medicare (CMS data updated October 2, 2026).

• 103 Marcley DrMartinsburg, WV 25401 (304) 263‑0911
• 12931 Oak Hill AveHagerstown, MD 21742 (301) 797‑9600
• 27 Vista DrWaynesboro, PA 17268 (301) 797‑9600

Group practices

Medicare enrollment lists Joshua A. Rosenthal as a member of this group (CMS data updated October 2, 2026).

• Otto Roza MD PA10 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in West Virginia →

Other nephrologists in Martinsburg

Clinicians with the same Medicare primary specialty in Martinsburg, WV — not a recommendation.

• Eli Roza, MD
• Paul G. Welch, MD
• Khetisuda Suvarnasuddhi, MD
• Kousalya M. Arunagiri
• Muneeb S. Malik, MD
• Anwar Iqbal, MD
• Jeremy R. Yospin, MD
• Babak Barmar, MD

All nephrologists in Martinsburg →

Other clinicians in Otto Roza MD PA

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

• Paul G. Welch, MD
• Khetisuda Suvarnasuddhi, MD
• Karolyn S. Gable
• Anwar Iqbal, MD
• Muneeb S. Malik, MD
• Jeremy R. Yospin, 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