Michael Ryan, M.D.
NPI 1639566003 · Retina Specialist (Ophthalmology) Physician · Webster, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Ryan, M.D. is a Retina Specialist (Ophthalmology) Physician provider in Webster, NY (NPI 1639566003).
Provider details
- NPI number
- 1639566003
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 303500 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,368 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 459 | $38 |
| Established Patient Complete Exam of Visual System92014 | 283 | $118 |
| Injection of Drug Into Eye67028 | 277 | $115 |
| Established Patient Problem Focused Exam of Visual System92012 | 251 | $83 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 53 | $24 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 29 | $29 |
| Imaging of Optic Nerve92133 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 123 | 78 |
| Latanoprost | 110 | 41 |
| Ketorolac Tromethamine | 103 | 61 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 63 | 27 |
| Ofloxacin | 59 | 53 |
| Timolol Maleate | 29 | — |
| Netarsudil Mesylatebrand: Rhopressa | 18 | — |
| Brimonidine Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$110 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-23
- Last updated
- 2024-04-18
- Certified
- 2024-04-18
Frequently asked questions
- What is Michael Ryan's NPI number?
- Michael Ryan's National Provider Identifier (NPI) is 1639566003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Ryan's specialty?
- Michael Ryan is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Ryan located?
- Michael Ryan's practice location on file with NPPES is 1015 Ridge Rd, Webster, NY 14580-2907.
- What is Michael Ryan's phone number?
- The practice phone number listed in the NPPES registry for Michael Ryan is (585) 586-2020.
- Does Michael Ryan accept Medicare?
- Michael Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Ryan's NPI active?
- Yes — Michael Ryan's NPI (1639566003) is active in the NPPES registry as of the last update on 2024-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.