DR. NICHOLAS E NACCA MD
NPI 1255650263
Emergency Medicine in Rochester, NY
About Dr. Nicholas E Nacca Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS E NACCA MD (NPI 1255650263) is an individual emergency medicine provider in Rochester, New York, licensed in New York (265045) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Strong Memorial Hospital, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 3
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
Dr. Nicholas E Nacca 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 Reassignments
9Medicare enrollment records show Nicholas Nacca reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 197 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 124 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 1,624 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Rochester, NY 14623
- Reassigned Medicare billing, New York enrollment
- 112 clinicians in this Medicare group
Dansville, NY 14437
- Reassigned Medicare billing, New York enrollment
- 275 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Emergency Care Services Of New York PC
- 240 clinicians in this Medicare group
Syracuse, NY 13210
- Reassigned Medicare billing, New York enrollment
- 170 clinicians in this Medicare group
Alexandria Bay, NY 13607
- Reassigned Medicare billing, New York enrollment
- 89 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 2
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.
Strong Memorial Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14642 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
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 Nicholas Nacca's NPI number?
The NPI number for Nicholas Nacca is 1255650263. It was assigned to this individual provider in the NPPES registry on June 1, 2010.
Where is Nicholas Nacca located?
Nicholas Nacca practices at 601 Elmwood Ave, Rochester, NY 14642. The listed phone number is (585) 275-9555.
What is Nicholas Nacca's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nicholas Nacca enrolled in Medicare?
Yes. Nicholas Nacca 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 Nicholas Nacca's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Nacca reassigns Medicare benefits to 9 organizations: Emergency Associates - University Of Rochester (Rochester, NY), Observation Associates Of The University Of Rochester (Rochester, NY), University Of Rochester (Rochester, NY), University Of Rochester Emergency Associates Toxicology Group (Rochester, NY), University Of Rochester Urgent Care (Rochester, NY) and 4 more organizations, listed in the Medicare section above. 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 Nicholas Nacca's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nicholas Nacca affiliated with any hospitals?
According to CMS data, Nicholas Nacca is affiliated with Strong Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Nicholas Nacca was last updated on January 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.
# Dr. Nicholas E Nacca, MD · NPI 1255650263
Emergency Medicine physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since June 1, 2010.
## Identity
- **NPI:** 1255650263 (Entity type: Individual)
- **Enumerated:** June 1, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 265045 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 ELMWOOD AVE, Rochester, NY 14642-2306
- **Phone:** (585) 275-9555
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Emergency Associates - University Of Rochester (NPI 1346281268, Rochester, NY); Observation Associates Of The University Of Rochester (NPI 1518908433, Rochester, NY); University Of Rochester (NPI 1346285657, Rochester, NY); University Of Rochester Emergency Associates Toxicology Group (NPI 1861702334, Rochester, NY); University Of Rochester Urgent Care (NPI 1700260395, Rochester, NY); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** January 3, 2025
- **Other identifiers:** Medicaid 03583713 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1255650263) · Data from the CMS NPPES public registry.