Quick answers
- Does Alison S. Ridenour accept Medicare assignment?
- Yes. Medicare's clinician data says Alison S. Ridenour 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 Alison S. Ridenour see?
- In 2024, CMS data shows 589 Original Medicare patients and 1,705 services for Alison S. Ridenour. This counts Original Medicare only and measures volume, not quality.
- What is Alison S. Ridenour's NPI number?
- 1144294984. 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 Alison S. Ridenour, 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 | 589 |
|---|---|
| Services billed to Medicare | 1,705 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)335 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)302 services
- Established patient complete exam of visual system (92014)283 services
- Imaging of optic nerve (92133)197 services
- Exam of visual field with extended testing (92083)137 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%
- Arthritis47%
- Diabetes31%
- Anxiety22%
- Ischemic heart disease21%
Hospitals where Alison S. Ridenour works
Medicare's Facility Affiliation Data lists Alison S. Ridenour 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.
- WellSpan Waynesboro HospitalWaynesboro, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390138
Practice locations
Addresses where Alison S. Ridenour is enrolled with Medicare (CMS data updated October 2, 2026).
- 1051 E Main St, Suite 7Waynesboro, PA 17268 (717) 387‑5657
- 187 Scharberry LnMars, PA 16046 (724) 591‑5501
Group practices
Medicare enrollment lists Alison S. Ridenour as a member of this group (CMS data updated October 2, 2026).
- Aeg Pennsylvania Professional Inc78 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Waynesboro
Clinicians with the same Medicare primary specialty in Waynesboro, PA — not a recommendation.
Other clinicians in Aeg Pennsylvania Professional Inc
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 | 1996 (30 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144294984 |
| 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