Theodore Bosi
Psychiatry Physician · Lake Forest, IL
Theodore Bosi is a psychiatry physician with a practice address in Lake Forest, Illinois, and NPI 1881153765, issued on Mar 19, 2019. Check the license (Illinois 036165788, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Theodore Bosi
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 036165788 IL
ME149254 FL
Self-reported in NPPES; status is on the state search - Practice location
- 800 N Westmoreland RD Ste 201, Lake Forest, IL 60045
- Phone
- (847) 535-6489
- Enumerated
- Mar 19, 2019
- Record last updated
- Nov 30, 2023
- Fax
- (847) 535-7655
- Medicare enrollment
- Enrolled (PECOS I20231030000937); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 800 N Westmoreland RD Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cristina Anez De Gomez, MDInternal Medicine Physician1619350410
- Esther Harris, LCSWClinical Social Worker1053770503
- Kathryn Kiehn, M.D.Rheumatology Physician1700834348
- Amanda Marks, PA-CPhysician Assistant1154168664
- Ronald Migalski, LCSWClinical Social Worker1518466994
- Alyssa Nagengast, LCSWClinical Social Worker1992214795
Verify Theodore Bosi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036165788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average psychiatry physician in 2024
457 Medicare Part D claims for 63 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Risperidone27 claims
- Buspirone Hcl26 claims
- Escitalopram Oxalate26 claims
- Trintellix26 claims
- Venlafaxine Hcl Er25 claims
- Alprazolam21 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
8 psychiatry physician records list a practice address in Lake Forest
They are 8 of the 821 NPPES records with a practice address in Lake Forest, and 2,147 psychiatry physician records in Illinois.
All 8 in Lake Forest → All 2,147 in Illinois → Every provider in Lake Forest →
Other psychiatry physician records in Illinois
- Alexandra Aaronson, M.D.Chicago, IL1881937928
- Anthony Abadir, MDOak Park, IL1295312551
- Huma Abbas, M.D.Aurora, IL1609039163
- Jeff Abbott, M.D.Chicago, IL1265887509
- Kathryn AbbottChicago, IL1295537561
- Gil Abelita, MDBloomington, IL1619986551
- Dinuk Abeysekera, M.D.North Chicago, IL1366616534
- Patrick Abler, DOSpringfield, IL1770158537
- Rohit Abraham, MD, MPH, MATChicago, IL1013478932
- Richard AbramsChicago, IL1003992413
Common questions
What is Theodore Bosi's NPI number?
Theodore Bosi's National Provider Identifier (NPI) is 1881153765, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Theodore Bosi located?
The NPPES record lists a practice address at 800 N Westmoreland RD Ste 201, Lake Forest, IL, 60045. Phone: (847) 535-6489. Providers update this record themselves, so call before visiting.
How can I verify Theodore Bosi's license?
NPPES lists Illinois license number 036165788, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Theodore Bosi prescribe under Medicare Part D?
In 2024, Theodore Bosi had 457 Medicare Part D claims for 63 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Theodore Bosi's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.