GREGG L ZIMMER MD
NPI 1447205596
Otolaryngology in E. Amherst, NY
About Gregg L Zimmer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGG L ZIMMER MD (NPI 1447205596) is an individual otolaryngology provider in E. Amherst, New York, licensed in New York (1955531) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
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
Gregg L Zimmer 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 Reassignment
Medicare enrollment records show Gregg Zimmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
E. Amherst, NY 14051
- Reassigned Medicare billing, New York enrollment
- 2 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14051 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 2
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 Gregg Zimmer's NPI number?
The NPI number for Gregg Zimmer is 1447205596. It was assigned to this individual provider in the NPPES registry on May 24, 2006.
Where is Gregg Zimmer located?
Gregg Zimmer practices at 6041 Transit Rd Suite 101, E. Amherst, NY 14051. The listed phone number is (716) 691-3500.
What is Gregg Zimmer's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Gregg Zimmer enrolled in Medicare?
Yes. Gregg Zimmer 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 Gregg Zimmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Zimmer reassigns Medicare benefits to Amherst Ear Nose & Throat LLC (E. Amherst, 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 Gregg Zimmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gregg Zimmer was last updated on February 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Gregg L Zimmer, MD · NPI 1447205596
Otolaryngology physician in E. Amherst, New York. Individual provider, active in the CMS NPPES registry since May 24, 2006.
## Identity
- **NPI:** 1447205596 (Entity type: Individual)
- **Enumerated:** May 24, 2006
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 1955531 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 6041 TRANSIT RD, SUITE 101, E. Amherst, NY 14051
- **Phone:** (716) 691-3500 · **Fax:** (716) 691-3548
## 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:** Amherst Ear Nose & Throat LLC (NPI 1285692939, E. Amherst, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** February 27, 2020
- **Other identifiers:** Other 000523259004; Other 1006228
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Source: [NPI Profile](https://npiprofile.com/npi/1447205596) · Data from the CMS NPPES public registry.