MARK J BROWN MD
NPI 1689608333
Psychiatry & Neurology - Neurology in Philadelphia, PA
About Mark J Brown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK J BROWN MD (NPI 1689608333) is an individual neurology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD015829E) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark J Brown Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 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 19104 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Brown's NPI number?
The NPI number for Mark Brown is 1689608333. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Mark Brown located?
Mark Brown practices at 3400 Civic Center Blvd 2nd Floor, South Pavilion, Philadelphia, PA 19104. The listed phone number is (215) 662-3606.
What is Mark Brown's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Mark Brown enrolled in Medicare?
Yes. Mark Brown is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Brown reassigns Medicare benefits to University Of Penn-Medical Group (Philadelphia, 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 Brown'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 Brown was last updated on August 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Mark J Brown, MD · NPI 1689608333
Neurology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1689608333 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** MD015829E (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3400 CIVIC CENTER BLVD, 2ND FLOOR, SOUTH PAVILION, Philadelphia, PA 19104-5127
- **Phone:** (215) 662-3606 · **Fax:** (215) 349-5579
## 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:** University Of Penn-Medical Group (NPI 1033507157, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 21, 2015
- **Other identifiers:** Medicare PIN 100089 (PA); Medicare UPIN C29935; Medicaid 008921220001 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1689608333) · Data from the CMS NPPES public registry.