Corey Thompson, M.D.
Psychiatry Physician · Mason City, IA
Corey Thompson, M.D. is a psychiatry physician with a practice address in Mason City, Iowa, and NPI 1932526217, issued on Mar 24, 2014. Check the license (Iowa MD-47861, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Corey Thompson
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD-47861 IA
Self-reported in NPPES; status is on the state search - Practice location
- 250 S Crescent Dr, Mason City, IA 50401
- Phone
- (641) 494-5200
- Enumerated
- Mar 24, 2014
- Record last updated
- Jan 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210127000521); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 398 in Iowa → Look up another NPI →
Also registered at 250 S Crescent Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrea Anderson, PMHNPPsychiatric/Mental Health Nurse Practitioner1760065023
- Byron Beasley, MDCardiovascular Disease Physician1053398180
- Donald Beitzel, P.A.Physician Assistant1518939982
- Gregory Blank, PAPhysician Assistant1831161736
- Chad Boyer, PA-CPhysician Assistant1265638829
Verify Corey Thompson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-47861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average psychiatry physician in 2024
1,531 Medicare Part D claims for 140 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Quetiapine Fumarate106 claims
- Venlafaxine Hcl Er100 claims
- Fluoxetine Hcl92 claims
- Benztropine Mesylate82 claims
- Lamotrigine78 claims
- Buspirone Hcl66 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
- North Iowa Mercy ClinicsMason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Corey Thompson among 398 psychiatry physician records in Iowa
Corey Thompson, M.D. is one of 398 psychiatry physician records with a practice address in Iowa. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 58% of them.
- NPI issued2014 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2014 · median 2010 among the 188 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Iowa
There are 398 psychiatry physician records in Iowa.
All 398 in Iowa → Every provider in Mason City → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Michael Blackmore, M.D.Mason City, IA 504011003896119
- Ronald Larsen, MDMason City, IA 504011306870944
- Mark Lassise, M.D.Mason City, IA 504011023002508
- Rogerio Ramos, M.D.Mason City, IA 504011295927291
- Selena Losee, DOGarner, IA 504381740779552
- Esther Huston, ARNP PMHNP-BCClive, IA 503251225900954
- Margaret MeyerClive, IA 503251649889155
- Naomi Bloom, M.D.Des Moines, IA 503241851464846
Common questions
What is Corey Thompson, M.D.'s NPI number?
Corey Thompson, M.D.'s National Provider Identifier (NPI) is 1932526217, issued on Mar 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Corey Thompson, M.D. located?
The NPPES record lists a practice address at 250 S Crescent Dr, Mason City, IA, 50401. Phone: (641) 494-5200. Providers update this record themselves, so call before visiting.
How can I verify Corey Thompson, M.D.'s license?
NPPES lists Iowa license number MD-47861, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Corey Thompson, M.D. prescribe under Medicare Part D?
In 2024, Corey Thompson, M.D. had 1,531 Medicare Part D claims for 140 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.