Quick answers
- Does Ronald L. Swaab accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald L. Swaab 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 Ronald L. Swaab see?
- In 2024, CMS data shows 406 Original Medicare patients and 109,337 services for Ronald L. Swaab. This counts Original Medicare only and measures volume, not quality.
- What is Ronald L. Swaab's NPI number?
- 1134129869. 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 Ronald L. Swaab, 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 | 406 |
|---|---|
| Services billed to Medicare | 109,337 |
| Different services or procedures | 112 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, darbepoetin alfa, 1 microgram (non-esrd use) (J0881)11,600 services
- Injection, denosumab, 1 mg (J0897)3,246 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)824 services
- Injection, palonosetron hcl, 25 mcg (J2469)550 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)535 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%
- Arthritis45%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)37%
- Chronic kidney disease34%
- Diabetes33%
Hospitals where Ronald L. Swaab works
Medicare's Facility Affiliation Data lists Ronald L. Swaab 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.
- Chester County HospitalWest Chester, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390179
- Lancaster General HospitalLancaster, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390100
- Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153
- Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222
Practice locations
Addresses where Ronald L. Swaab is enrolled with Medicare (CMS data updated October 2, 2026).
- 195 Stock St, Suite 304Hanover, PA 17331 (717) 698‑1564
- 20 Expedition Trail, 101 Gettysburg Cancer CenterGettysburg, PA 17325 (717) 334‑4033
- 216 Mall Blvd, Suite 201King Of Prussia, PA 19406 (215) 561‑0809
- 500 Evergreen Dr, Suite G3Glen Mills, PA 19342 (610) 579‑3595
Group practices
Medicare enrollment lists Ronald L. Swaab as a member of these groups (CMS data updated October 2, 2026).
- Satish a Shah MD PC15 clinicians in the group
- Rittenhouse Hematology Oncology LLC4 clinicians in the group
Specialties
- Medical Oncologyprimary
- Hematology/Oncologyalso
Other oncologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in Satish a Shah MD PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134129869 |
| 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