MRS. PORTIA BROCK LPC
NPI 1316653199
Counselor - Mental Health in Chicago, IL
About Mrs. Portia Brock Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. PORTIA BROCK LPC (NPI 1316653199) is an individual mental health provider in Chicago, Illinois, licensed in Illinois (178018863) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
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)
Mrs. Portia Brock Lpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Portia Brock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- 31 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.
Other Providers at the Same Location NPPES 4
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 Portia Brock's NPI number?
The NPI number for Portia Brock is 1316653199. It was assigned to this individual provider in the NPPES registry on January 25, 2023.
Where is Portia Brock located?
Portia Brock practices at 566 W Lake St Ste 200, Chicago, IL 60661. The listed phone number is (312) 371-5680.
What is Portia Brock's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Portia Brock enrolled in Medicare?
Yes. Portia Brock is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Portia Brock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Portia Brock reassigns Medicare benefits to Advanced Psychiatric Solutions Inc. (Oak Brook, IL). 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 Portia Brock'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 Portia Brock was last updated on January 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mrs. Portia Brock, LPC · NPI 1316653199
Mental Health provider in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since January 25, 2023.
## Identity
- **NPI:** 1316653199 (Entity type: Individual)
- **Enumerated:** January 25, 2023
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 178018863 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 566 W LAKE ST STE 200, Chicago, IL 60661-1413
- **Phone:** (312) 371-5680
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Advanced Psychiatric Solutions Inc. (NPI 1548791452, Oak Brook, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** January 25, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1316653199) · Data from the CMS NPPES public registry.