Quick answers
- Does Steven J. Donnelly accept Medicare assignment?
- Yes. Medicare's clinician data says Steven J. Donnelly 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 Steven J. Donnelly see?
- In 2024, CMS data shows 450 Original Medicare patients and 1,718 services for Steven J. Donnelly. This counts Original Medicare only and measures volume, not quality.
- What is Steven J. Donnelly's NPI number?
- 1790710572. 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 Steven J. Donnelly, 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 | 450 |
|---|---|
| Services billed to Medicare | 1,718 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Removal of cataract with insertion of prosthetic lens (66984)308 services
- Measurement of corneal curvature and depth of eye (92136)273 services
- Imaging of optic nerve (92133)163 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)159 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)149 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 pressure70%
- Arthritis38%
- Ischemic heart disease24%
- Diabetes23%
- Chronic kidney disease22%
Practice locations
Addresses where Steven J. Donnelly is enrolled with Medicare (CMS data updated October 2, 2026).
- 485 Royer Dr, Suite 103Lancaster, PA 17601 (717) 560‑4020
Group practices
Medicare enrollment lists Steven J. Donnelly as a member of this group (CMS data updated October 2, 2026).
- Eye Doctors of Lancaster Ltd8 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Lancaster
Clinicians with the same Medicare primary specialty in Lancaster, PA — not a recommendation.
Other clinicians in Eye Doctors of Lancaster Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790710572 |
| 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
- 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