DR. MICHAEL KREYMER DO
NPI 1720220023
Anesthesiology in Buffalo, NY
About Dr. Michael Kreymer Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL KREYMER DO (NPI 1720220023) is an individual anesthesiology provider in Buffalo, New York, licensed in New York (255183) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains a secondary practice location in Amherst.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Michael Kreymer Do 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
7Medicare enrollment records show Michael Kreymer reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14214
- Reassigned Medicare billing, New York enrollment
- 117 clinicians in this Medicare group
Buffalo, NY 14215
- Reassigned Medicare billing, New York enrollment
- 66 clinicians in this Medicare group
Amherst, NY 14226
- Reassigned Medicare billing, New York enrollment
- 26 clinicians in this Medicare group
Cheektowaga, NY 14225
- Reassigned Medicare billing, New York enrollment
- 124 clinicians in this Medicare group
Lockport, NY 14094
- Reassigned Medicare billing, New York enrollment
- 29 clinicians in this Medicare group
Lewiston, NY 14092
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mount St. Marys Hospital Of Niagara Falls
- 289 clinicians in this Medicare group
Batavia, NY 14020
- Reassigned Medicare billing, New York enrollment
- 782 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.
Kaleida Health
Acute Care Hospitals · Buffalo, NYSisters Of Charity Hospital
Acute Care Hospitals · Buffalo, NYOther Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BUFFALO, NY 14209
BUFFALO, NY 14209
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 Michael Kreymer's NPI number?
The NPI number for Michael Kreymer is 1720220023. It was assigned to this individual provider in the NPPES registry on April 1, 2009.
Where is Michael Kreymer located?
Michael Kreymer practices at 1263 Delaware Ave, Buffalo, NY 14209. The listed phone number is (716) 886-8200.
What is Michael Kreymer's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Kreymer enrolled in Medicare?
Yes. Michael Kreymer 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 Michael Kreymer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Kreymer reassigns Medicare benefits to 7 organizations: Parkside Medical Anesthesia Associates (Buffalo, NY), Anesthesiology Medical Consultants, PLLC (Buffalo, NY), Buffalo Surgery Center LLC (Amherst, NY), Maple Gate Anesthesiologists, P.C. (Cheektowaga, NY), Eastern Niagara Medical Group PC (Lockport, NY) and 2 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 Michael Kreymer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Kreymer affiliated with any hospitals?
According to CMS data, Michael Kreymer is affiliated with Kaleida Health and Sisters Of Charity Hospital.
When was this NPI record last updated?
The NPPES record for Michael Kreymer was last updated on February 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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. Michael Kreymer, DO · NPI 1720220023
Anesthesiology physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since April 1, 2009.
## Identity
- **NPI:** 1720220023 (Entity type: Individual)
- **Enumerated:** April 1, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 255183 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1263 DELAWARE AVE, Buffalo, NY 14209-2402
- **Phone:** (716) 886-8200 · **Fax:** (716) 885-7070
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Parkside Medical Anesthesia Associates (NPI 1871537464, Buffalo, NY); Anesthesiology Medical Consultants, PLLC (NPI 1366487555, Buffalo, NY); Buffalo Surgery Center LLC (NPI 1508863242, Amherst, NY); Maple Gate Anesthesiologists, P.C. (NPI 1528072709, Cheektowaga, NY); Eastern Niagara Medical Group PC (NPI 1902913098, Lockport, NY); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2008
## Record status
- **NPPES last updated:** February 4, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1720220023) · Data from the CMS NPPES public registry.