DR. GARY RITHOLZ D.O.
NPI 1164408290
Anesthesiology in New York, NY
About Dr. Gary Ritholz D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY RITHOLZ D.O. (NPI 1164408290) is an individual anesthesiology provider in New York, New York, licensed in New York (191750) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Gary Ritholz D.o. 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
15Medicare enrollment records show Gary Ritholz reassigns Medicare billing to 15 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10028
- Reassigned Medicare billing, New York enrollment
- 140 clinicians in this Medicare group
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 58 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 245 clinicians in this Medicare group
North Bergen, NJ 07047
- Reassigned Medicare billing, New Jersey enrollment
- 17 clinicians in this Medicare group
Valley Stream, NY 11581
- Reassigned Medicare billing, New Jersey enrollment
- 124 clinicians in this Medicare group
Valley Stream, NY 11581
- Reassigned Medicare billing, New York enrollment
- 305 clinicians in this Medicare group
Hartsdale, NY 10530
- Reassigned Medicare billing, New York enrollment
- 142 clinicians in this Medicare group
East Meadow, NY 11554
- Reassigned Medicare billing, New York enrollment
- 141 clinicians in this Medicare group
Edison, NJ 08820
- Reassigned Medicare billing, New Jersey enrollment
- 9 clinicians in this Medicare group
Melville, NY 11747
- Reassigned Medicare billing, New York enrollment
- 508 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
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.
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
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 Gary Ritholz's NPI number?
The NPI number for Gary Ritholz is 1164408290. It was assigned to this individual provider in the NPPES registry on December 20, 2005.
Where is Gary Ritholz located?
Gary Ritholz practices at 301 E 64th St, New York, NY 10021. The listed phone number is (212) 734-3372.
What is Gary Ritholz's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gary Ritholz enrolled in Medicare?
Yes. Gary Ritholz 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 Ritholz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Ritholz reassigns Medicare benefits to 15 organizations: Centurion Midtown Anesthesia PLLC (New York, NY), West Side Gi, LLC (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY), Riverfront Intensivists (North Bergen, NJ), Centurion Anesthesia Surgical Centers LLC (Valley Stream, NY) and 10 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 Gary Ritholz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gary Ritholz accept?
Health plans from Taro Health list Gary Ritholz 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.
When was this NPI record last updated?
The NPPES record for Gary Ritholz was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Gary Ritholz, D.O. · NPI 1164408290
Anesthesiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since December 20, 2005.
## Identity
- **NPI:** 1164408290 (Entity type: Individual)
- **Enumerated:** December 20, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 191750 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 E 64TH ST, New York, NY 10021-6772
- **Phone:** (212) 734-3372 · **Fax:** (272) 937-3116
## 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:** 15 organizations under Medicare reassignment (form CMS-855R): Centurion Midtown Anesthesia PLLC (NPI 1750087854, New York, NY); West Side Gi, LLC (NPI 1588938682, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1447008446, New York, NY); Riverfront Intensivists (NPI 1639618424, North Bergen, NJ); Centurion Anesthesia Surgical Centers LLC (NPI 1326707100, Valley Stream, NY); and 10 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** March 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164408290) · Data from the CMS NPPES public registry.