NPPES file of Aug 9, 2026

William Gregory Platz, M.D.

Psychiatry Physician · Amery, WI

William Gregory Platz, M.D. is a psychiatry physician with a practice address in Amery, Wisconsin, and NPI 1588742423, issued on Nov 1, 2006. Check the license (Wisconsin 51022-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588742423
Name
William Gregory Platz
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
51022-20 WI
Self-reported in NPPES; status is on the state search
Practice location
230 Deronda St, Amery, WI 54001
Phone
(715) 268-8000
Enumerated
Nov 1, 2006
Record last updated
Jul 16, 2024
Medicaid ID
31982600 WI
Medicare enrollment
Enrolled (PECOS I20080119000096); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 1988
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →

Also registered at 230 Deronda St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Theresa Briggs, LCSWClinical Social Worker1306298872
  2. Erica Burger, D.O.Psychiatry Physician1538521117
  3. Ronda Davis, MDPsychiatry Physician1568564227
  4. Alexa Demoe, LPCMental Health Counselor1780240184
  5. Miranda FassbenderProfessional Counselor1356681308
  6. Brian Francis, CSACAddiction (Substance Use Disorder) Counselor1447930441

Verify William Gregory Platz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 51022-20    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.1 times the Medicare Part D claims of the average psychiatry physician in 2024

2,129 Medicare Part D claims for 159 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.

  1. William Platz2,129
  2. Specialty average1,000

Most prescribed

  1. Olanzapine137 claims
  2. Trazodone Hcl106 claims
  3. Clozapine105 claims
  4. Divalproex Sodium Er104 claims
  5. Duloxetine Hcl78 claims
  6. Sertraline Hcl78 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.

Industry payments in 2024: $131.85

1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Platz$131.85
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Amery Regional Medical Center IncAmery, WI
  2. St Croix CountyNew Richmond, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Gregory Platz among 929 psychiatry physician records in Wisconsin

William Gregory Platz, 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 50% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1988 · median 2005 among the 439 with a school on file
  • Record last updated2024 · 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).

6 psychiatry physician records list a practice address in Amery

They are 6 of the 193 NPPES records with a practice address in Amery, and 929 psychiatry physician records in Wisconsin.

All 929 in Wisconsin → Every provider in Amery → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Erica Burger, D.O.Amery, WI 540011538521117
  2. Ronda Davis, MDAmery, WI 540011568564227
  3. Noel Jarvis, MDAmery, WI 540011528115722
  4. Abdul-Malik Kassim, MDAmery, WI 540011578141669
  5. Bryan Wilson, D.O.Amery, WI 540011518329887
  6. Eyuel Terefe, MDBaldwin, WI 540021003341652
  7. Rebecca Harrison, MDHudson, WI 540161831285253
  8. Kale Siebert, MDNew Richmond, WI 540171881250926

Common questions

What is William Gregory Platz, M.D.'s NPI number?

William Gregory Platz, M.D.'s National Provider Identifier (NPI) is 1588742423, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Gregory Platz, M.D. located?

The NPPES record lists a practice address at 230 Deronda St, Amery, WI, 54001. Phone: (715) 268-8000. Providers update this record themselves, so call before visiting.

How can I verify William Gregory Platz, M.D.'s license?

NPPES lists Wisconsin license number 51022-20, 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 William Gregory Platz, M.D. prescribe under Medicare Part D?

In 2024, William Gregory Platz, M.D. had 2,129 Medicare Part D claims for 159 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.