Matthew Bayer
Psychiatry Physician · Menasha, WI
Matthew Bayer is a psychiatry physician with a practice address in Menasha, Wisconsin, and NPI 1558438259, issued on Nov 29, 2006. Check the license (Wisconsin 44798-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Bayer
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 44798-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1095 Midway RD, Menasha, WI 54952
- Phone
- (920) 720-3700
- Enumerated
- Nov 29, 2006
- Entity
- Type 1 · individual
Also registered at 1095 Midway RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Adair, MSMental Health Counselor1194818344
- Nathaniel Albrecht, DOPsychiatry Physician1467853705
- Rochelle AlpertCounselor1093882896
- Betty Atchison, CSACAddiction (Substance Use Disorder) Counselor1073164307
- Merri Autumn-HelgesonAddiction (Substance Use Disorder) Counselor1578625422
- Rachel Bass, LPC-ITMental Health Counselor1710799119
Verify Matthew Bayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 44798-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
6.2 times the Medicare Part D claims of the average psychiatry physician in 2024
6,235 Medicare Part D claims for 258 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Clonazepam425 claims
- Aripiprazole311 claims
- Lamotrigine253 claims
- Buspirone Hcl245 claims
- Sertraline Hcl202 claims
- Olanzapine189 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.
One hospital or facility affiliation
- Thedacare, IncorporatedNeenah, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
5 psychiatry physician records list a Menasha practice address
They are 5 of the 442 NPPES records with a Menasha practice address, and 858 psychiatry physician records in Wisconsin.
All 5 in Menasha → All 858 in Wisconsin → Every provider in Menasha →
Other psychiatry physician records in Wisconsin
- Semhal Abbay, MDGreen Bay, WI1780713172
- Beth Abramson, M.D.Milwaukee, WI1922045996
- Sean Ackerman, M.D.Columbus, WI1548559305
- Nagwa Agaiby, M.D.Milwaukee, WI1336240407
- Eileen Ahearn, M.D.Madison, WI1144320524
- Mahmoud Ahmed, MDLadysmith, WI1659473312
- Jose Alba, M.D.Chilton, WI1942342704
- Nathaniel Albrecht, DOMenasha, WI1467853705
- Donald Alicea, M.D.Madison, WI1255794665
- Jordan Allen, DOMilwaukee, WI1568039865
Common questions
What is Matthew Bayer's NPI number?
Matthew Bayer's National Provider Identifier (NPI) is 1558438259, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Bayer located?
The NPPES record lists a practice address at 1095 Midway RD, Menasha, WI, 54952. Phone: (920) 720-3700. Providers update this record themselves, so call before visiting.
How can I verify Matthew Bayer's license?
NPPES lists Wisconsin license number 44798-020, 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 Matthew Bayer prescribe under Medicare Part D?
In 2024, Matthew Bayer had 6,235 Medicare Part D claims for 258 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.