John Legarreta, M.D.
NPI 1629395892 · Ophthalmology Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Legarreta, M.D. is a Ophthalmology Physician provider in Williamsville, NY (NPI 1629395892).
Provider details
- NPI number
- 1629395892
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 276395 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
3,074 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) |
|---|---|---|
| Established Patient Problem Focused Exam of Visual System92012 | 791 | $84 |
| Imaging of Retina92134 | 488 | $37 |
| Microfluid Analysis of Tears83861 | 480 | $22 |
| Exam of Visual Field With Extended Testing92083 | 424 | $60 |
| Imaging of Optic Nerve92133 | 238 | $32 |
| Photography of the Retina92250 | 144 | $34 |
| Established Patient Complete Exam of Visual System92014 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,036 | 182 |
| Prednisolone Acetate | 389 | 242 |
| Ketorolac Tromethamine | 330 | 209 |
| Ofloxacin | 309 | 219 |
| Cyclosporine | 176 | 57 |
| Lifitegrastbrand: Xiidra | 137 | 50 |
| Timolol Maleate | 132 | 38 |
| Bimatoprostbrand: Lumigan | 118 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,750 across 67 records (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
- 2010-04-28
- Last updated
- 2015-10-23
Frequently asked questions
- What is John Legarreta's NPI number?
- John Legarreta's National Provider Identifier (NPI) is 1629395892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Legarreta's specialty?
- John Legarreta is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Legarreta located?
- John Legarreta's practice location on file with NPPES is 1301 N Forest Rd, Williamsville, NY 14221-3277.
- What is John Legarreta's phone number?
- The practice phone number listed in the NPPES registry for John Legarreta is (716) 633-2203.
- Does John Legarreta accept Medicare?
- John Legarreta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Legarreta's NPI active?
- Yes — John Legarreta's NPI (1629395892) is active in the NPPES registry as of the last update on 2015-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.