Claudia Mosier, PSY.D.
Psychologist · Chicago, IL
Claudia Mosier, PSY.D. is a psychologist with a practice address in Chicago, Illinois, and NPI 1336261643, issued on Apr 6, 2007. Check the license (Illinois 071005231, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Claudia Mosier
- Credential
- PSY.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 071005231 IL
Self-reported in NPPES; status is on the state search - Practice location
- 8 S Michigan Ave, Chicago, IL 60603
- Phone
- (773) 972-2405
- Enumerated
- Apr 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (312) 553-1100
- Medicare enrollment
- Enrolled (PECOS I20200415001501); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 1,011 in Illinois → Look up another NPI →
Also registered at 8 S Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Bell, PTPhysical Therapist1710126776
- Megan BottermanAssistant Behavior Analyst1144911405
- Lisa Bowker, PSY.D.Clinical Psychologist1730218033
- Brittany CamilloAudiologist-Hearing Aid Fitter1740619394
- Siresha Chaluvadi, M.D.Neurology Physician1770745531
- Aaron Cooper, PH.D.Psychologist1750518015
Verify Claudia Mosier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 071005231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average psychologist in 2024
406 Medicare Part D claims for 41 beneficiaries, against an average of 359 among the 46 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate60 claims
- Fluoxetine Hcl45 claims
- Trazodone Hcl31 claims
- Dextroamphetamine-Amphetamine26 claims
- Aripiprazole22 claims
- Olanzapine21 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 one group practice
- Southern Psychological Specialists LLCNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claudia Mosier among 1,011 psychologist records in Illinois
Claudia Mosier, PSY.D. is one of 1,011 psychologist records with a practice address in Illinois. 11% 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 25% of them.
- NPI issued2007 · 25% of these records are older, 62% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated1995 · median 2001 among the 201 with a school on file
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Illinois
There are 1,011 psychologist records in Illinois.
All 1,011 in Illinois → Every provider in Chicago → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Joseph Anderson, MAChicago, IL 606031326873779
- Christopher Chroniak, PHDChicago, IL 606031326136425
- Karen Chroniak, PHDChicago, IL 606031194813139
- Aaron Cooper, PH.D.Chicago, IL 606031750518015
- Maryann Gregory, PHDChicago, IL 606031851311013
- Daniel Kegan, PHD, JDChicago, IL 606031831680156
- James McClymonds, PSY.D., HSPPChicago, IL 606031679855209
- Mayumi Nakamura, PSY.D.Chicago, IL 606031881991198
Common questions
What is Claudia Mosier, PSY.D.'s NPI number?
Claudia Mosier, PSY.D.'s National Provider Identifier (NPI) is 1336261643, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Claudia Mosier, PSY.D. located?
The NPPES record lists a practice address at 8 S Michigan Ave, Chicago, IL, 60603. Phone: (773) 972-2405. Providers update this record themselves, so call before visiting.
How can I verify Claudia Mosier, PSY.D.'s license?
NPPES lists Illinois license number 071005231, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Claudia Mosier, PSY.D. prescribe under Medicare Part D?
In 2024, Claudia Mosier, PSY.D. had 406 Medicare Part D claims for 41 beneficiaries; the average among psychologist prescribers was 359. 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.