DR. MICHAEL A MAZZEFFI MD, MPH
NPI 1053571687
Anesthesiology in Charlottesville, VA
About Dr. Michael A Mazzeffi Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL A MAZZEFFI MD, MPH (NPI 1053571687) is an individual anesthesiology provider in Charlottesville, Virginia, licensed in Virginia (0101261835) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with University Of Virginia Medical Center, and is a graduate of Emory University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 3
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 A Mazzeffi Md, Mph 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 Mazzeffi reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charlottesville, VA 22911
- Reassigned Medicare billing, Virginia enrollment
- 2,820 clinicians in this Medicare group
Charlottesville, VA 22911
- Reassigned Medicare billing, Virginia enrollment
- 584 clinicians in this Medicare group
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Columbia, MD 21045
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Anesthesiology Associates PA
- 303 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Shock Trauma Associates PA
- 541 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 6
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.
University Of Virginia Medical Center
Acute Care Hospitals · Charlottesville, VAOther 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 Michael Mazzeffi's NPI number?
The NPI number for Michael Mazzeffi is 1053571687. It was assigned to this individual provider in the NPPES registry on June 17, 2008.
Where is Michael Mazzeffi located?
Michael Mazzeffi practices at 1215 Lee St, Charlottesville, VA 22908. The listed phone number is (434) 924-2283.
What is Michael Mazzeffi's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Mazzeffi enrolled in Medicare?
Yes. Michael Mazzeffi 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 Mazzeffi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mazzeffi reassigns Medicare benefits to 5 organizations: University Of Virginia Physicians Group (Charlottesville, VA), Uva Community Health Medical Group, LLC (Charlottesville, VA), Medical Faculty Associates, Inc (Washington, DC), University Of Maryland Anesthesiology Associates P.A. (Columbia, MD) and Shock Trauma Associates, P.A. (Baltimore, MD). 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 Mazzeffi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Mazzeffi affiliated with any hospitals?
According to CMS data, Michael Mazzeffi is affiliated with University Of Virginia Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Mazzeffi was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 A Mazzeffi, MD, MPH · NPI 1053571687
Anesthesiology physician in Charlottesville, Virginia. Individual provider, active in the CMS NPPES registry since June 17, 2008.
## Identity
- **NPI:** 1053571687 (Entity type: Individual)
- **Enumerated:** June 17, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 0101261835 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1215 LEE ST, Charlottesville, VA 22908-1544
- **Phone:** (434) 924-2283 · **Fax:** (434) 982-0019
## 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): University Of Virginia Physicians Group (NPI 1033138250, Charlottesville, VA); Uva Community Health Medical Group, LLC (NPI 1598475741, Charlottesville, VA); Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); University Of Maryland Anesthesiology Associates P.A. (NPI 1720895105, Columbia, MD); Shock Trauma Associates, P.A. (NPI 1679512909, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** February 27, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1053571687) · Data from the CMS NPPES public registry.