Quick answers
- Does Shannon M. Wiedersum accept Medicare assignment?
- Yes. Medicare's clinician data says Shannon M. Wiedersum accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Shannon M. Wiedersum see?
- In 2024, CMS data shows 1,132 Original Medicare patients and 4,091 services for Shannon M. Wiedersum. This counts Original Medicare only and measures volume, not quality.
- What is Shannon M. Wiedersum's NPI number?
- 1013396944. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Shannon M. Wiedersum, 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.
| Original Medicare patients | 1,132 |
|---|---|
| Services billed to Medicare | 4,091 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,265 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)754 services
- Destruction of precancer skin growth, 1 growth (17000)572 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)400 services
- Destruction of skin growth, 1-14 growths (17110)300 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 cholesterol75%
- High blood pressure61%
- Arthritis44%
- Osteoporosis21%
- Anxiety20%
- Diabetes17%
Hospitals where Shannon M. Wiedersum works
Medicare's Facility Affiliation Data lists Shannon M. Wiedersum 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.
- Doylestown HospitalDoylestown, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390203
- 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 Shannon M. Wiedersum is enrolled with Medicare (CMS data updated October 2, 2026).
- 252 W Swamp Rd, Suite 48Doylestown, PA 18901 (215) 230‑9988
Group practices
Medicare enrollment lists Shannon M. Wiedersum as a member of this group (CMS data updated October 2, 2026).
- Mary B Toporcer, MD, PC3 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Doylestown
Clinicians with the same Medicare primary specialty in Doylestown, PA — not a recommendation.
Other clinicians in Mary B Toporcer, MD, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013396944 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians