Joshua H. Muyderman, MD

Medicare activity in 2024

Official CMS public-use data for Joshua H. Muyderman, 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. Emergency department visit with moderate level of medical decision making (99284)116 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)83 services
3. Emergency department visit with low level of medical decision making (99283)73 services
4. Emergency department visit with high level of medical decision making (99285)22 services
5. Emergency department visit with straightforward medical decision making (99282)16 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%
• Arthritis49%
• Diabetes45%
• Anxiety43%
• COPD35%

Hospitals where Joshua H. Muyderman works

Medicare's Facility Affiliation Data lists Joshua H. Muyderman 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
• Jefferson Medical CenterRanson, WV · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 511319

Practice locations

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

• 2500 Hospital DrMartinsburg, WV 25401 (304) 260‑1443
• 300 S Preston StRanson, WV 25438 (304) 728‑1669

Group practices

Medicare enrollment lists Joshua H. Muyderman as a member of these groups (CMS data updated October 2, 2026).

• City Hospital Inc161 clinicians in the group
• Jefferson Memorial Hospital31 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in West Virginia →

Other emergency medicine doctors in Martinsburg

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

• Ilya Lazzeri, MD
• Douglas A. Jentilet, MD
• Melissa Natale, MD
• Sydney Zarriello, MD
• Drew Diaz, MD
• Eric R. Glass, DO
• Garrick Anderson
• Daryl M. Larusso, MD

All emergency medicine doctors in Martinsburg →

Other clinicians in City Hospital Inc

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

• Ilya Lazzeri, MD
• Angela L. Severance, CNA
• John Z. Szymanski, CNA
• Christopher M. Spiess, MD
• Sylvia Puray
• Rodney Hill, 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