Quick answers
- Does Teresa Blackstone accept Medicare assignment?
- Yes. Medicare's clinician data says Teresa Blackstone 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 Teresa Blackstone see?
- In 2024, CMS data shows 326 Original Medicare patients and 777 services for Teresa Blackstone. This counts Original Medicare only and measures volume, not quality.
- What is Teresa Blackstone's NPI number?
- 1588736987. 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 Teresa Blackstone, 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 | 326 |
|---|---|
| Services billed to Medicare | 777 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient complete exam of visual system (92014)288 services
- Established patient problem focused exam of visual system (92012)119 services
- Exam of visual field with extended testing (92083)95 services
- Exam of the internal drainage system of eye (92020)91 services
- Imaging of optic nerve (92133)84 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 pressure62%
- Osteoporosis30%
- Arthritis28%
- Anxiety25%
- Diabetes23%
Practice locations
Addresses where Teresa Blackstone is enrolled with Medicare (CMS data updated October 2, 2026).
- 414 Maple AveSaratoga Spgs, NY 12866 (518) 587‑0772
- 658 Malta Ave, Suite 101Malta, NY 12020 (518) 580‑0553
Group practices
Medicare enrollment lists Teresa Blackstone as a member of this group (CMS data updated October 2, 2026).
- Saratoga Vitreo-Retinal Ophthalmology PLLC14 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Saratoga Vitreo-Retinal Ophthalmology PLLC
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 | 1986 (40 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588736987 |
| 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