APRIL MICHELLE GUILLIAMS PMHNP-BC
NPI 1184285926
Nurse Practitioner - Psychiatric/Mental Health in Chicago, IL
About April Michelle Guilliams Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
APRIL MICHELLE GUILLIAMS PMHNP-BC (NPI 1184285926) is an individual psychiatric/mental health provider in Chicago, Illinois, licensed in Illinois (277003449) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
April Michelle Guilliams Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show April Guilliams reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60608
- Reassigned Medicare billing, Illinois enrollment
- 39 clinicians in this Medicare group
Naperville, IL 60564
- Reassigned Medicare billing, Illinois enrollment
- 475 clinicians in this Medicare group
Rockford, IL 61108
- Reassigned Medicare billing, Illinois enrollment
- 7 clinicians in this Medicare group
Ann Arbor, MI 48104
- Reassigned Medicare billing, New York enrollment
- 103 clinicians in this Medicare group
Stamford, CT 06901
- Reassigned Medicare billing, Connecticut enrollment
- 5 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 60614 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.
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 April Guilliams's NPI number?
The NPI number for April Guilliams is 1184285926. It was assigned to this individual provider in the NPPES registry on June 24, 2019.
Where is April Guilliams located?
April Guilliams practices at 2071 N Southport Ave, Chicago, IL 60614. The listed phone number is (888) 428-7890.
What is April Guilliams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is April Guilliams enrolled in Medicare?
Yes. April Guilliams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for April Guilliams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), April Guilliams reassigns Medicare benefits to 5 organizations: Baal Perazim Wellness, Inc (Chicago, IL), Edgewood Clinical Services, P.C. (Naperville, IL), Mindplexity Psychiatric Services, PLLC (Rockford, IL), Aldad Medical PC (Ann Arbor, MI) and Aldad Medical PC (Stamford, CT). Each 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 April Guilliams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does April Guilliams accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Quartz list April Guilliams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for April Guilliams was last updated on June 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# April Michelle Guilliams, PMHNP-BC · NPI 1184285926
Psychiatric/Mental Health physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since June 24, 2019.
## Identity
- **NPI:** 1184285926 (Entity type: Individual)
- **Enumerated:** June 24, 2019
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 277003449 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2071 N SOUTHPORT AVE, Chicago, IL 60614-4015
- **Phone:** (888) 428-7890
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Baal Perazim Wellness, Inc (NPI 1215403530, Chicago, IL); Edgewood Clinical Services, P.C. (NPI 1295914646, Naperville, IL); Mindplexity Psychiatric Services, PLLC (NPI 1437808433, Rockford, IL); Aldad Medical PC (NPI 1174784953, Ann Arbor, MI); Aldad Medical PC (NPI 1750046512, Stamford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** June 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1184285926) · Data from the CMS NPPES public registry.