DENISE H RUIZ MS, FNP-C
NPI 1164771952
Nurse Practitioner - Family in Ontario, NY
About Denise H Ruiz Ms, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENISE H RUIZ MS, FNP-C (NPI 1164771952) is an individual family provider in Ontario, New York, licensed in New York (337501) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and maintains a secondary practice location in Rochester.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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
Denise H Ruiz Ms, Fnp-c 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 Reassignments
3Medicare enrollment records show Denise Ruiz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ontario, NY 14519
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Rochester, NY 14617
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
West Haverstraw, NY 10993
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Rockland Urgent Care Family Health Np, PC
- 22 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 4
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.
Rochester General Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Denise Ruiz's NPI number?
The NPI number for Denise Ruiz is 1164771952. It was assigned to this individual provider in the NPPES registry on September 7, 2012.
Where is Denise Ruiz located?
Denise Ruiz practices at 6280 Furnace Rd Ste 600, Ontario, NY 14519. The listed phone number is (315) 791-0050.
What is Denise Ruiz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Denise Ruiz enrolled in Medicare?
Yes. Denise Ruiz 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 organizations bill Medicare for Denise Ruiz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Denise Ruiz reassigns Medicare benefits to 3 organizations: Family Health Np Immediate Care, PLLC (Ontario, NY), The Unity Hospital Of Rochester (Rochester, NY) and Rockland Urgent Care Family Health Np, P.C. (West Haverstraw, NY). Each 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 Denise Ruiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Denise Ruiz affiliated with any hospitals?
According to CMS data, Denise Ruiz is affiliated with Rochester General Hospital.
When was this NPI record last updated?
The NPPES record for Denise Ruiz was last updated on August 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Denise H Ruiz, MS, FNP-C · NPI 1164771952
Family physician in Ontario, New York. Individual provider, active in the CMS NPPES registry since September 7, 2012.
## Identity
- **NPI:** 1164771952 (Entity type: Individual)
- **Enumerated:** September 7, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 337501 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 6280 FURNACE RD STE 600, Ontario, NY 14519-8974
- **Phone:** (315) 791-0050
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Family Health Np Immediate Care, PLLC (NPI 1104396274, Ontario, NY); The Unity Hospital Of Rochester (NPI 1457395766, Rochester, NY); Rockland Urgent Care Family Health Np, P.C. (NPI 1184029118, West Haverstraw, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** August 12, 2022
- **Other identifiers:** Other 337501 (NY); Medicaid 05042966 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1164771952) · Data from the CMS NPPES public registry.