Quick answers
- Does Arianna L. Kosakowski accept Medicare assignment?
- Medicare's clinician data says Arianna L. Kosakowski may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Arianna L. Kosakowski see?
- In 2024, CMS data shows 292 Original Medicare patients and 763 services for Arianna L. Kosakowski. This counts Original Medicare only and measures volume, not quality.
- What is Arianna L. Kosakowski's NPI number?
- 1730875733. 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 Arianna L. Kosakowski, 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 | 292 |
|---|---|
| Services billed to Medicare | 763 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Measurement of corneal curvature and depth of eye (92136)137 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)130 services
- Photography of the retina (92250)109 services
- New patient complete exam of visual system (92004)108 services
- Closure of tear duct opening using plug (68761)79 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 pressure68%
- High cholesterol68%
- Arthritis40%
- Diabetes26%
- Anxiety26%
- Depression24%
Practice locations
Addresses where Arianna L. Kosakowski is enrolled with Medicare (CMS data updated October 2, 2026).
- 31 Minuteman DrTempleton, MA 01468
Specialties
- Optometryprimary
Other optometrists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | New England College Of Optometry |
| Graduation year | 2023 (3 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1730875733 |
| 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