GUILLERMO UY MD
NPI 1285773200
Surgery in Middletown, NY
About Guillermo Uy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUILLERMO UY MD (NPI 1285773200) is an individual surgery provider in Middletown, New York, licensed in New York (249784) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Garnet Health Medical Center, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Guillermo Uy Md 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 Guillermo Uy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middletown, NY 10941
- Reassigned Medicare billing, New York enrollment
- 434 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 18
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Garnet Health Medical Center
Acute Care Hospitals · Middletown, NYGarnet Health Medical Center Catskills
Acute Care Hospitals · Harris, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10941 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MIDDLETOWN, NY 10941
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 Guillermo Uy's NPI number?
The NPI number for Guillermo Uy is 1285773200. It was assigned to this individual provider in the NPPES registry on February 6, 2007.
Where is Guillermo Uy located?
Guillermo Uy practices at 95 Crystal Run Rd, Middletown, NY 10941. The listed phone number is (845) 703-6999.
What is Guillermo Uy's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Guillermo Uy enrolled in Medicare?
Yes. Guillermo Uy 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 Guillermo Uy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guillermo Uy reassigns Medicare benefits to Crystal Run Healthcare Physicians LLP (Middletown, 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 Guillermo Uy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Guillermo Uy affiliated with any hospitals?
According to CMS data, Guillermo Uy is affiliated with Garnet Health Medical Center and Garnet Health Medical Center Catskills.
When was this NPI record last updated?
The NPPES record for Guillermo Uy was last updated on October 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.