DR. MICHAEL ROBERT MARKIEWICZ D.D.S, M.P.H, M.D.
NPI 1225291347
Oral & Maxillofacial Surgery in Buffalo, NY
About Dr. Michael Robert Markiewicz D.d.s, M.p.h, M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL ROBERT MARKIEWICZ D.D.S, M.P.H, M.D. (NPI 1225291347) is an individual oral & maxillofacial surgery provider in Buffalo, New York, licensed in Illinois (036138497) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Oregon Health & Sciences Univ School Of Dentistry (2011).
NPPES Registry Identity
Specialties & Licenses 4
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. Michael Robert Markiewicz D.d.s, M.p.h, 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 Michael Markiewicz reassigns Medicare billing to 5 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
- 7 clinicians in this Medicare group
Buffalo, NY 14209
- Reassigned Medicare billing, New York enrollment
- 676 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 61 clinicians in this Medicare group
Chicago, IL 60616
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
Yulee, FL 32097
- Reassigned Medicare billing, Florida enrollment
- Also billed through NPI 1104086479 (Florida)
- 573 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.
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 14214
BUFFALO, NY 14214
BUFFALO, NY 14214
BUFFALO, NY 14214
BUFFALO, NY 14214
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 Markiewicz's NPI number?
The NPI number for Michael Markiewicz is 1225291347. It was assigned to this individual provider in the NPPES registry on July 9, 2008.
Where is Michael Markiewicz located?
Michael Markiewicz practices at 3435 Main St, Buffalo, NY 14214. The listed phone number is (716) 829-6032.
What is Michael Markiewicz's specialty?
The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.
Is Michael Markiewicz enrolled in Medicare?
Yes. Michael Markiewicz 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 Markiewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Markiewicz reassigns Medicare benefits to 5 organizations: Ub Oral & Maxillofacial Surgery, Inc (Buffalo, NY), Kaleida Health (Buffalo, NY), University At Buffalo Neurosurgery, Inc. (Williamsville, NY), The Board Of Trustees Of The University Of Illinois (Chicago, IL) and University Of Florida Jacksonville Physicians, Inc. (Yulee, FL). 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 Markiewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Markiewicz accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of South Carolina and 12 other insurers list Michael Markiewicz 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 Michael Markiewicz was last updated on September 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.