GARY A RITZEL MD
NPI 1174512511
Anesthesiology in Rochester, NY
About Gary A Ritzel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARY A RITZEL MD (NPI 1174512511) is an individual anesthesiology provider in Rochester, New York, licensed in New York (198351) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Unity Hospital, and is a graduate of University Of North Dakota School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
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
Gary A Ritzel 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
6Medicare enrollment records show Gary Ritzel reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14626
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Rochester, NY 14626
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14618
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Anesthesia Associates Of Rochester PC
- 142 clinicians in this Medicare group
Batavia, NY 14020
- Reassigned Medicare billing, New York enrollment
- 782 clinicians in this Medicare group
Newark, NY 14513
- Reassigned Medicare billing, New York enrollment
- 679 clinicians in this Medicare group
Clifton Springs, NY 14432
- Reassigned Medicare billing, New York enrollment
- 872 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unity Hospital
Acute Care Hospitals · Rochester, NYOther 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 14626
ROCHESTER, NY 14626
ROCHESTER, NY 14626
ROCHESTER, NY 14626
ROCHESTER, NY 14626
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 Gary Ritzel's NPI number?
The NPI number for Gary Ritzel is 1174512511. It was assigned to this individual provider in the NPPES registry on October 18, 2005.
Where is Gary Ritzel located?
Gary Ritzel practices at 1555 Long Pond Rd, Rochester, NY 14626. The listed phone number is (585) 255-8966.
What is Gary Ritzel's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gary Ritzel enrolled in Medicare?
Yes. Gary Ritzel 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 Gary Ritzel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Ritzel reassigns Medicare benefits to 6 organizations: The Unity Hospital Of Rochester (Rochester, NY), Rochester General Hospital (Rochester, NY), Anesthesia Associates Of Rochester, P.C. (Rochester, NY), United Memorial Medical Center (Batavia, NY), Newark Wayne Community Hospital (Newark, NY) and 1 more organization, 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 Gary Ritzel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gary Ritzel affiliated with any hospitals?
According to CMS data, Gary Ritzel is affiliated with Unity Hospital.
When was this NPI record last updated?
The NPPES record for Gary Ritzel was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Gary A Ritzel, MD · NPI 1174512511
Anesthesiology physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since October 18, 2005.
## Identity
- **NPI:** 1174512511 (Entity type: Individual)
- **Enumerated:** October 18, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 198351 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1555 LONG POND RD, Rochester, NY 14626-4122
- **Phone:** (585) 255-8966
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): The Unity Hospital Of Rochester (NPI 1760421713, Rochester, NY); Rochester General Hospital (NPI 1356412712, Rochester, NY); Anesthesia Associates Of Rochester, P.C. (NPI 1760421788, Rochester, NY); United Memorial Medical Center (NPI 1669747085, Batavia, NY); Newark Wayne Community Hospital (NPI 1346369212, Newark, NY); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Dakota School Of Medicine, class of 1991
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174512511) · Data from the CMS NPPES public registry.