HOLLIE MIZZI BROWN
NPI 1821487273
Occupational Therapist in Pittsburgh, PA
About Hollie Mizzi Brown NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLIE MIZZI BROWN (NPI 1821487273) is an individual occupational therapist in Pittsburgh, Pennsylvania, licensed in Pennsylvania (OC013741) and active in the NPI registry since January 2015.
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)
Hollie Mizzi Brown is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Hollie Mizzi Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wilmington, DE 19803
- Reassigned Medicare billing, Pennsylvania enrollment
- 847 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.
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.
PITTSBURGH, PA 15219
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 Hollie Mizzi Brown's NPI number?
The NPI number for Hollie Mizzi Brown is 1821487273. It was assigned to this individual provider in the NPPES registry on January 22, 2015.
Where is Hollie Mizzi Brown located?
Hollie Mizzi Brown practices at 1400 Locust St, Pittsburgh, PA 15219. The listed phone number is (412) 232-8111.
What is Hollie Mizzi Brown's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Hollie Mizzi Brown enrolled in Medicare?
Yes. Hollie Mizzi Brown is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Hollie Mizzi Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hollie Mizzi Brown reassigns Medicare benefits to Fox Rehabilitation Services Inc (Wilmington, DE). 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 Hollie Mizzi 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 Hollie Mizzi Brown was last updated on January 1, 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.