Quick answers
- Does Lucas J. Medeiros accept Medicare assignment?
- Yes. Medicare's clinician data says Lucas J. Medeiros 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 Lucas J. Medeiros see?
- In 2024, CMS data shows 289 Original Medicare patients and 702 services for Lucas J. Medeiros. This counts Original Medicare only and measures volume, not quality.
- What is Lucas J. Medeiros's NPI number?
- 1649967498. 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 Lucas J. Medeiros, 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 | 289 |
|---|---|
| Services billed to Medicare | 702 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Imaging of retina (92134)124 services
- Established patient problem focused exam of visual system (92012)112 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)105 services
- Established patient complete exam of visual system (92014)84 services
- New patient complete exam of visual system (92004)57 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 pressure71%
- High cholesterol71%
- Arthritis51%
- Diabetes26%
- Ischemic heart disease25%
- Chronic kidney disease22%
Practice locations
Addresses where Lucas J. Medeiros is enrolled with Medicare (CMS data updated October 2, 2026).
- 939 W Main RdMiddletown, RI 02842 (401) 847‑1383
Group practices
Medicare enrollment lists Lucas J. Medeiros as a member of this group (CMS data updated October 2, 2026).
- Charles M Collins MD Ltd4 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Middletown
Clinicians with the same Medicare primary specialty in Middletown, RI — not a recommendation.
Other clinicians in Charles M Collins MD Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Southern College Of Optometry |
| Graduation year | 2023 (3 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649967498 |
| 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