DR. JONATHAN A GREENBERG M.D.
NPI 1609837749
Anesthesiology in Cooperstown, NY
About Dr. Jonathan A Greenberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN A GREENBERG M.D. (NPI 1609837749) is an individual anesthesiology provider in Cooperstown, New York, licensed in New York (179485) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Bassett Healthcare, and is a graduate of Geisel School Of Medicine At Dartmouth (1988).
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
Dr. Jonathan A Greenberg M.d. 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 Jonathan Greenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cooperstown, NY 13326
- Reassigned Medicare billing, New York enrollment
- 1,052 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 3
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.
Bassett Healthcare
Acute Care Hospitals · Cooperstown, NYLittle Falls Hospital
Critical Access Hospitals · Little Falls, NYMedicare 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 20
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 Jonathan Greenberg's NPI number?
The NPI number for Jonathan Greenberg is 1609837749. It was assigned to this individual provider in the NPPES registry on March 29, 2006.
Where is Jonathan Greenberg located?
Jonathan Greenberg practices at 1 Atwell Rd, Cooperstown, NY 13326. The listed phone number is (607) 547-3909.
What is Jonathan Greenberg's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Jonathan Greenberg enrolled in Medicare?
Yes. Jonathan Greenberg 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 Jonathan Greenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Greenberg reassigns Medicare benefits to Mary Imogene Bassett Hospital (Cooperstown, 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 Jonathan Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jonathan Greenberg affiliated with any hospitals?
According to CMS data, Jonathan Greenberg is affiliated with Bassett Healthcare and Little Falls Hospital.
When was this NPI record last updated?
The NPPES record for Jonathan Greenberg 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.