April Michelle Guilliams, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Chicago, IL
April Michelle Guilliams, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1184285926, issued on Jun 24, 2019. Check the license (Illinois 277003449, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- April Michelle Guilliams
- Credential
- PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 277003449 IL
209019540 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2071 N Southport Ave, Chicago, IL 60614
- Phone
- (888) 428-7890
- Enumerated
- Jun 24, 2019
- Record last updated
- Jun 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20190814001994); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,530 in Illinois → Look up another NPI →
Also registered at 2071 N Southport Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lafayette Bagley, LCSWClinical Social Worker1285399576
- Stephanie Franzoni, LCPCMental Health Counselor1912559113
- Natasha Lambert, LSWSocial Worker1700564432
- Leticia Magana, LSWClinical Social Worker1861107385
Verify April Michelle Guilliams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 277003449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
88 Medicare Part D claims for 11 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Aripiprazole16 claims
- Hydroxyzine Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Baal Perazim Wellness IncChicago, IL
- Edgewood Clinical Services P.C.Bloomington, IL
- Mindplexity Psychiatric Services PLLCRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
April Michelle Guilliams among 1,530 psychiatric/mental health nurse practitioner records in Illinois
April Michelle Guilliams, PMHNP-BC is one of 1,530 psychiatric/mental health nurse practitioner records with a practice address in Illinois. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 31% of them.
- NPI issued2019 · 31% of these records are older, 64% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2021 among the 917 with a school on file
- Record last updated2026 · 17% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Illinois
There are 1,530 psychiatric/mental health nurse practitioner records in Illinois.
All 1,530 in Illinois → Every provider in Chicago → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Oreoluwatomi Agbaje, NURSE PRACTITIONERChicago, IL 606141700599248
- Tessa Cappel, RNChicago, IL 606141710595012
- Sarah Piper, MSN, APRN, PMHNP-BCChicago, IL 606141699633115
- Bukola AdeagboChicago, IL 606131124670948
- Raymond Bryant, NPChicago, IL 606131609354133
- Trevor Cavness, APRNChicago, IL 606131508438193
- Riskat Fadonougbo, PMHNPChicago, IL 606151154967230
- Jac Guerra, PMHNP-BCChicago, IL 606131841183407
Common questions
What is April Michelle Guilliams, PMHNP-BC's NPI number?
April Michelle Guilliams, PMHNP-BC's National Provider Identifier (NPI) is 1184285926, issued on Jun 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is April Michelle Guilliams, PMHNP-BC located?
The NPPES record lists a practice address at 2071 N Southport Ave, Chicago, IL, 60614. Phone: (888) 428-7890. Providers update this record themselves, so call before visiting.
How can I verify April Michelle Guilliams, PMHNP-BC's license?
NPPES lists Illinois license number 277003449, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does April Michelle Guilliams, PMHNP-BC prescribe under Medicare Part D?
In 2024, April Michelle Guilliams, PMHNP-BC had 88 Medicare Part D claims for 11 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.