Caroline Poirier, M.D.
Psychiatry Physician · Manitowoc, WI
Caroline Poirier, M.D. is a psychiatry physician with a practice address in Manitowoc, Wisconsin, and NPI 1750564266, issued on Dec 7, 2007. Check the license (Wisconsin 52885, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Caroline Poirier
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 52885 WI
Self-reported in NPPES; status is on the state search - Practice location
- 926 S 8TH St, Manitowoc, WI 54220
- Phone
- (920) 683-4230
- Enumerated
- Dec 7, 2007
- Record last updated
- Mar 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (920) 683-4243
- Medicare enrollment
- Enrolled (PECOS I20111202000264); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →
Also registered at 926 S 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justine BoonpermCounselor1083587737
- Steven BurtonAddiction (Substance Use Disorder) Counselor1275365538
- Katie ClarkAddiction (Substance Use Disorder) Counselor1841999497
- Kirstin Duprey, QTTCounselor1063100048
- Ellen Floate, SAC-ITAddiction (Substance Use Disorder) Counselor1235878026
- Lori Fure, LCSWClinical Social Worker1639340078
Verify Caroline Poirier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 52885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average psychiatry physician in 2024
1,597 Medicare Part D claims for 100 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Aripiprazole151 claims
- Benztropine Mesylate108 claims
- Clozapine94 claims
- Clonazepam86 claims
- Quetiapine Fumarate78 claims
- Risperidone68 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
- Calumet CountyChilton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caroline Poirier among 929 psychiatry physician records in Wisconsin
Caroline Poirier, M.D. is one of 929 psychiatry physician records with a practice address in Wisconsin. 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 50% of them.
- NPI issued2007 · 50% of these records are older, 41% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1993 · median 2005 among the 439 with a school on file
- Record last updated2011 · 52% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Wisconsin
There are 929 psychiatry physician records in Wisconsin.
All 929 in Wisconsin → Every provider in Manitowoc → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Geralyn Carducci, DOManitowoc, WI 542201790869717
- Cheong Chan, M.D.Manitowoc, WI 542201922395623
- John Olsen, M.D.Manitowoc, WI 542201033389085
- Basil Spyropoulos, M.D.Manitowoc, WI 542201649209594
- Candace Cohen, M.D.Sturgeon Bay, WI 542351811927916
- Anne Miller, MDSturgeon Bay, WI 542351639166457
- Colleen O'Rourke, MDSturgeon Bay, WI 542351568523330
- Priscilla Hidalgo, MDTwo Rivers, WI 542411447416672
Common questions
What is Caroline Poirier, M.D.'s NPI number?
Caroline Poirier, M.D.'s National Provider Identifier (NPI) is 1750564266, issued on Dec 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Poirier, M.D. located?
The NPPES record lists a practice address at 926 S 8TH St, Manitowoc, WI, 54220. Phone: (920) 683-4230. Providers update this record themselves, so call before visiting.
How can I verify Caroline Poirier, M.D.'s license?
NPPES lists Wisconsin license number 52885, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Caroline Poirier, M.D. prescribe under Medicare Part D?
In 2024, Caroline Poirier, M.D. had 1,597 Medicare Part D claims for 100 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.