Quick answers
- Does Cristan M. Arena accept Medicare assignment?
- Yes. Medicare's clinician data says Cristan M. Arena 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 Cristan M. Arena see?
- In 2024, CMS data shows 1,098 Original Medicare patients and 4,904 services for Cristan M. Arena. This counts Original Medicare only and measures volume, not quality.
- What is Cristan M. Arena's NPI number?
- 1922277953. 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 Cristan M. Arena, 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 | 1,098 |
|---|---|
| Services billed to Medicare | 4,904 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient complete exam of visual system (92014)801 services
- Imaging of optic nerve (92133)681 services
- Exam of visual field with extended testing (92083)661 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)405 services
- Measurement of corneal curvature and depth of eye (92136)383 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 pressure68%
- Arthritis37%
- Ischemic heart disease27%
- Diabetes24%
- Chronic kidney disease21%
Hospitals where Cristan M. Arena works
Medicare's Facility Affiliation Data lists Cristan M. Arena 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
Practice locations
Addresses where Cristan M. Arena is enrolled with Medicare (CMS data updated October 2, 2026).
- 1011 W Baltimore Pike, Suite 203West Grove, PA 19390 (610) 696‑1230
Group practices
Medicare enrollment lists Cristan M. Arena as a member of this group (CMS data updated October 2, 2026).
- Chester County Eye Care Assoc PC12 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in West Grove
Clinicians with the same Medicare primary specialty in West Grove, PA — not a recommendation.
Other clinicians in Chester County Eye Care Assoc PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922277953 |
| 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