JOHN EDWARD LEGARRETA M.D.
NPI 1629395892
Ophthalmology in Williamsville, NY
About John Edward Legarreta M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN EDWARD LEGARRETA M.D. (NPI 1629395892) is an individual ophthalmology provider in Williamsville, New York, licensed in New York (276395) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Mount St. Mary's Hospital & Health Center, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Edward Legarreta M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Legarreta reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount St. Mary's Hospital & Health Center
Acute Care Hospitals · Lewiston, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLIAMSVILLE, NY 14221
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Legarreta's NPI number?
The NPI number for John Legarreta is 1629395892. It was assigned to this individual provider in the NPPES registry on April 28, 2010.
Where is John Legarreta located?
John Legarreta practices at 1301 N Forest Rd Suite 7, Williamsville, NY 14221. The listed phone number is (716) 633-2203.
What is John Legarreta's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is John Legarreta enrolled in Medicare?
Yes. John Legarreta is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Legarreta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Legarreta reassigns Medicare benefits to (Williamsville, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Legarreta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Legarreta accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 9 other insurers list John Legarreta as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Legarreta affiliated with any hospitals?
According to CMS data, John Legarreta is affiliated with Mount St. Mary's Hospital & Health Center.
When was this NPI record last updated?
The NPPES record for John Legarreta was last updated on October 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John Edward Legarreta, M.D. · NPI 1629395892
Ophthalmology physician in Williamsville, New York. Individual provider, active in the CMS NPPES registry since April 28, 2010.
## Identity
- **NPI:** 1629395892 (Entity type: Individual)
- **Enumerated:** April 28, 2010
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 276395 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1301 N FOREST RD, SUITE 7, Williamsville, NY 14221-3277
- **Phone:** (716) 633-2203
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** (NPI 1942265988, Williamsville, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** October 23, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1629395892) · Data from the CMS NPPES public registry.