Quick answers
- Does Stacie L. Chasin accept Medicare assignment?
- Yes. Medicare's clinician data says Stacie L. Chasin 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 Stacie L. Chasin see?
- In 2024, CMS data shows 242 Original Medicare patients and 4,830 services for Stacie L. Chasin. This counts Original Medicare only and measures volume, not quality.
- What is Stacie L. Chasin's NPI number?
- 1316150147. 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 Stacie L. Chasin, 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 | 242 |
|---|---|
| Services billed to Medicare | 4,830 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)470 services
- Automated urinalysis test (81003)192 services
- Advance care planning, first 30 minutes (99497)168 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)166 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)163 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 pressure73%
- Arthritis38%
- Ischemic heart disease29%
- Diabetes24%
- Chronic kidney disease24%
Practice locations
Addresses where Stacie L. Chasin is enrolled with Medicare (CMS data updated October 2, 2026).
- 10 Benton AveMiddletown, NY 10940 (845) 563‑8000
- 140 Hammond StPort Jervis, NY 12771 (845) 563‑8000
Group practices
Medicare enrollment lists Stacie L. Chasin as a member of this group (CMS data updated October 2, 2026).
- Cornerstone Family Healthcare64 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Middletown
Clinicians with the same Medicare primary specialty in Middletown, NY — not a recommendation.
Other clinicians in Cornerstone Family Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| 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) | 1316150147 |
| 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