DR. MIMI Z. AMBERGER M.D.
NPI 1639306806
Anesthesiology in Buffalo, NY
About Dr. Mimi Z. Amberger M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MIMI Z. AMBERGER M.D. (NPI 1639306806) is an individual anesthesiology provider in Buffalo, New York, licensed in New York (337574-01) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Kenmore Mercy Hospital, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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. Mimi Z. Amberger 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 Reassignments
5Medicare enrollment records show Mimi Amberger reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14203
- Reassigned Medicare billing, New York enrollment
- 182 clinicians in this Medicare group
Amherst, NY 14226
- Reassigned Medicare billing, New York enrollment
- 26 clinicians in this Medicare group
Richardson, TX 75082
- Reassigned Medicare billing, Arizona enrollment
- 390 clinicians in this Medicare group
Phoenix, AZ 85024
- Reassigned Medicare billing, Arizona enrollment
- 518 clinicians in this Medicare group
Tempe, AZ 85282
- Reassigned Medicare billing, Arizona enrollment
- 107 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 4
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.
Kenmore Mercy Hospital
Acute Care Hospitals · Kenmore, 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.
Reported Quality Measures
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.
BUFFALO, NY 14220
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 Mimi Amberger's NPI number?
The NPI number for Mimi Amberger is 1639306806. It was assigned to this individual provider in the NPPES registry on June 16, 2009.
Where is Mimi Amberger located?
Mimi Amberger practices at 565 Abbott Rd, Buffalo, NY 14220. The listed phone number is (716) 323-6576.
What is Mimi Amberger's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mimi Amberger enrolled in Medicare?
Yes. Mimi Amberger 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 Mimi Amberger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mimi Amberger reassigns Medicare benefits to 5 organizations: Great Lakes Anesthesiology, PC (Buffalo, NY), Buffalo Surgery Center LLC (Amherst, NY), Anesthesia Partners Of Arizona LLC (Richardson, TX), Valley Anesthesiology Consultants, Inc. (Phoenix, AZ) and Pca Anesthesia (Tempe, AZ). 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 Mimi Amberger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mimi Amberger accept?
Health plans from Blue Cross Blue Shield of Arizona, Oscar Health, Oscar Health Plan, Inc. and Oscar Insurance Company list Mimi Amberger 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.
Is Mimi Amberger affiliated with any hospitals?
According to CMS data, Mimi Amberger is affiliated with Kenmore Mercy Hospital.
When was this NPI record last updated?
The NPPES record for Mimi Amberger was last updated on February 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Mimi Z. Amberger, M.D. · NPI 1639306806
Anesthesiology physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since June 16, 2009.
## Identity
- **NPI:** 1639306806 (Entity type: Individual)
- **Enumerated:** June 16, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 337574-01 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 565 ABBOTT RD, Buffalo, NY 14220-2039
- **Phone:** (716) 323-6576
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Great Lakes Anesthesiology, PC (NPI 1306852181, Buffalo, NY); Buffalo Surgery Center LLC (NPI 1508863242, Amherst, NY); Anesthesia Partners Of Arizona LLC (NPI 1619452901, Richardson, TX); Valley Anesthesiology Consultants, Inc. (NPI 1285660704, Phoenix, AZ); Pca Anesthesia (NPI 1164804258, Tempe, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** February 14, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1639306806) · Data from the CMS NPPES public registry.