Quick answers
- Does Don G. Koepsell accept Medicare assignment?
- Yes. Medicare's clinician data says Don G. Koepsell 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 Don G. Koepsell see?
- In 2024, CMS data shows 501 Original Medicare patients and 2,547 services for Don G. Koepsell. This counts Original Medicare only and measures volume, not quality.
- What is Don G. Koepsell's NPI number?
- 1548374572. 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 Don G. Koepsell, 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 | 501 |
|---|---|
| Services billed to Medicare | 2,547 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Photography of the retina (92250)711 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)369 services
- Established patient complete exam of visual system (92014)339 services
- Exam of visual field with limited testing (92081)335 services
- Exam of the internal drainage system of eye (92020)173 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 pressure66%
- Arthritis42%
- Ischemic heart disease27%
- Diabetes20%
- Osteoporosis20%
Hospitals where Don G. Koepsell works
Medicare's Facility Affiliation Data lists Don G. Koepsell 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.
- Phoenixville HospitalPhoenixville, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390127
Practice locations
Addresses where Don G. Koepsell is enrolled with Medicare (CMS data updated October 2, 2026).
- 1220 Valley Forge Rd, Suite 39Valley Forge, PA 19482 (610) 935‑1211
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1548374572 |
| 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