Spencer L. Penn, DO

Medicare activity in 2024

Official CMS public-use data for Spencer L. Penn, 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 high level of medical decision making (99285)513 services
2. Emergency department visit with moderate level of medical decision making (99284)166 services
3. Emergency department visit with low level of medical decision making (99283)39 services
4. Critical care, first 30-74 minutes (99291)18 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%
• Arthritis56%
• Ischemic heart disease53%
• Anxiety42%
• Atrial fibrillation41%

Hospitals where Spencer L. Penn works

Medicare's Facility Affiliation Data lists Spencer L. Penn 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.

• St Mary Medical CenterLanghorne, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390258

Practice locations

Addresses where Spencer L. Penn is enrolled with Medicare (CMS data updated October 2, 2026).

• 1201 Langhorne Newtown RdLanghorne, PA 19047 (215) 710‑2100
• 503 N 21st StCamp Hill, PA 17011 (717) 234‑2561

Group practices

Medicare enrollment lists Spencer L. Penn as a member of these groups (CMS data updated October 2, 2026).

• Cep America LLC1,023 clinicians in the group
• Penn State Health Medical Group LLC734 clinicians in the group
• Emergency Care Services of Pennsylvania PC28 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Pennsylvania →

Other emergency medicine doctors in Langhorne

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

• Michele L. Azer, MD
• Lauren A. Diamond, MD
• Joseph J. Pagano, DO
• Callie Morano, MD
• Lauren M. Muchorski, DO
• Amy M. Witkin, MD
• Christopher G. Schwartz, DO
• Julia C. Todd, DO

All emergency medicine doctors in Langhorne →

Other clinicians in Cep America LLC

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

• Caleb R. Overfelt, MD
• Daniel G. Spearman, MD
• David Feiger, MD
• Mahum Riaz, DO
• Michele L. Azer, MD
• Avra M. Hill, PA

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