MAREK ALEXANDER MIRSKI M.D.
NPI 1912957168
Anesthesiology in Baltimore, MD
About Marek Alexander Mirski M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAREK ALEXANDER MIRSKI M.D. (NPI 1912957168) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D40167) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marek Alexander Mirski M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marek Mirski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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.
Medicare 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.
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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Marek Mirski's NPI number?
The NPI number for Marek Mirski is 1912957168. It was assigned to this individual provider in the NPPES registry on May 10, 2006.
Where is Marek Mirski located?
Marek Mirski practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-6353.
What is Marek Mirski's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Marek Mirski enrolled in Medicare?
Yes. Marek Mirski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marek Mirski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marek Mirski reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). 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 Marek Mirski'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 Marek Mirski was last updated on April 14, 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.
# Marek Alexander Mirski, M.D. · NPI 1912957168
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 10, 2006.
## Identity
- **NPI:** 1912957168 (Entity type: Individual)
- **Enumerated:** May 10, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D40167 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-6353
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1023018413, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 14, 2020
- **Other identifiers:** Medicaid 158721800 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1912957168) · Data from the CMS NPPES public registry.