Quick answers
- Does David C. Snowdon Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says David C. Snowdon Jr. 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 David C. Snowdon Jr. see?
- In 2024, CMS data shows 80 Original Medicare patients and 83 services for David C. Snowdon Jr.. This counts Original Medicare only and measures volume, not quality.
- What is David C. Snowdon Jr.'s NPI number?
- 1588728216. 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 David C. Snowdon Jr., 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 | 80 |
|---|---|
| Services billed to Medicare | 83 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 53 |
Most frequent services
- New patient complete exam of visual system (92004)69 services
- Established patient complete exam of visual system (92014)14 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).
- Anxiety58%
- Depression54%
- High blood pressure43%
- High cholesterol39%
- Asthma30%
- Arthritis28%
Practice locations
Addresses where David C. Snowdon Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 38 A Southbridge StWorcester, MA 01608 (508) 791‑9291
Specialties
- Optometryprimary
Other optometrists in Worcester
Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.
Clinician information
| School | New England College Of Optometry |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588728216 |
| 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