DR. MARK ALEXANDER MACLEAN MD, MSC, FRCSC
NPI 1699511600
Neurological Surgery in Pittsburgh, PA
About Dr. Mark Alexander Maclean Md, Msc, Frcsc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK ALEXANDER MACLEAN MD, MSC, FRCSC (NPI 1699511600) is an individual neurological surgery provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD484417) and active in the NPI registry since July 2024. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mark Alexander Maclean Md, Msc, Frcsc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Maclean reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsburgh, PA 15213
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15213
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 Mark Maclean's NPI number?
The NPI number for Mark Maclean is 1699511600. It was assigned to this individual provider in the NPPES registry on July 8, 2024.
Where is Mark Maclean located?
Mark Maclean practices at 200 Lothrop St Ste A-402, Pittsburgh, PA 15213. The listed phone number is (902) 240-5404.
What is Mark Maclean's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Mark Maclean enrolled in Medicare?
Yes. Mark Maclean is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Maclean's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Maclean reassigns Medicare benefits to University Of Pittsburgh Physicians (Pittsburgh, PA). 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 Mark Maclean'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 Mark Maclean was last updated on July 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.