Regina Marie Shasha, APN
Psychiatric/Mental Health Nurse Practitioner · Chicago, IL
Regina Marie Shasha, APN is a psychiatric/mental health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1508993031, issued on Feb 28, 2007. Check the license (Illinois 277000129, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Regina Marie Shasha
- Credential
- APN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 277000129 IL
Self-reported in NPPES; status is on the state search - Practice location
- 734 W 47TH St, Chicago, IL 60609
- Phone
- (773) 537-3161
- Enumerated
- Feb 28, 2007
- Record last updated
- Mar 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210317002347); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,530 in Illinois → Look up another NPI →
Also registered at 734 W 47TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raj Chablani, M.D.Psychiatry Physician1770894198
- Gretchen KemnerPsychiatric/Mental Health Nurse Practitioner1598234726
- Hannah Lamar, LCSWClinical Social Worker1225495484
- Valerie Matthiesen, NPAdult Health Nurse Practitioner1366629172
- Susan Niezgoda, APN,CNS,PMHNPPsychiatric/Mental Health Nurse Practitioner1952491110
- Matthew Zemburski, PMHNP-BCPsychiatric/Mental Health Registered Nurse1629319009
Verify Regina Marie Shasha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 277000129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
570 Medicare Part D claims for 35 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Clozapine77 claims
- Quetiapine Fumarate59 claims
- Haloperidol Decanoate56 claims
- Invega Sustenna44 claims
- Naltrexone Hcl37 claims
- Buspirone Hcl33 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.
Industry payments in 2024: $97.25
1 payment: food and beverage; the largest payer was Alkermes, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The ThresholdsChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Regina Marie Shasha among 1,530 psychiatric/mental health nurse practitioner records in Illinois
Regina Marie Shasha, APN 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 2007, is newer than 3% of them.
- NPI issued2007 · 3% of these records are older, 96% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1996 · median 2021 among the 917 with a school on file
- Record last updated2021 · 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
- Gretchen KemnerChicago, IL 606091598234726
- Susan Niezgoda, APN,CNS,PMHNPChicago, IL 606091952491110
- Ryan Anselmo, PMHNPChicago, IL 606101487428355
- Allegra ConnorsChicago, IL 606081295231397
- Sara Flanagan, APNChicago, IL 606081336475565
- Crystal Goods, APRN, PMHNP-BCChicago, IL 606101730759614
- Cynthia Jacinthe, APN, PMHNP-BC, CNMChicago, IL 606081114193042
- Umeko Jones, N.P.Chicago, IL 606081013310382
Common questions
What is Regina Marie Shasha, APN's NPI number?
Regina Marie Shasha, APN's National Provider Identifier (NPI) is 1508993031, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Regina Marie Shasha, APN located?
The NPPES record lists a practice address at 734 W 47TH St, Chicago, IL, 60609. Phone: (773) 537-3161. Providers update this record themselves, so call before visiting.
How can I verify Regina Marie Shasha, APN's license?
NPPES lists Illinois license number 277000129, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Regina Marie Shasha, APN prescribe under Medicare Part D?
In 2024, Regina Marie Shasha, APN had 570 Medicare Part D claims for 35 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.