Quick answers
- Does James F. Wilmarth Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James F. Wilmarth Jr. 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 James F. Wilmarth Jr. see?
- In 2024, CMS data shows 348 Original Medicare patients and 439 services for James F. Wilmarth Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James F. Wilmarth Jr.'s NPI number?
- 1225092166. 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 James F. Wilmarth Jr., 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 | 348 |
|---|---|
| Services billed to Medicare | 439 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient complete exam of visual system (92014)241 services
- New patient complete exam of visual system (92004)61 services
- Imaging of optic nerve (92133)34 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 services
- Exam of visual field with extended testing (92083)19 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 cholesterol72%
- High blood pressure65%
- Diabetes37%
- Arthritis37%
- Chronic kidney disease28%
- Ischemic heart disease23%
Hospitals where James F. Wilmarth Jr. works
Medicare's Facility Affiliation Data lists James F. Wilmarth Jr. 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.
- Geisinger Medical CenterDanville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390006
Practice locations
Addresses where James F. Wilmarth Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 16 Woodbine Lane, Geisinger OptometryDanville, PA 17822 (570) 271‑6531
Group practices
Medicare enrollment lists James F. Wilmarth Jr. as a member of this group (CMS data updated October 2, 2026).
- Geisinger Clinic3,467 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Danville
Clinicians with the same Medicare primary specialty in Danville, PA — not a recommendation.
Other clinicians in Geisinger Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Pennsylvania College Of Optometry |
| Graduation year | 1988 (38 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225092166 |
| 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