NPPES file of Aug 9, 2026

William J. Schmelzer, PHD

Psychologist · Wausau, WI

William J. Schmelzer, PHD is a psychologist with a practice address in Wausau, Wisconsin, and NPI 1558496984, issued on Feb 23, 2007. Check the license (Wisconsin 2021, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558496984
Name
William J. Schmelzer
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
2021 WI
Self-reported in NPPES; status is on the state search
Practice location
910 Mcindoe St, Wausau, WI 54403
Phone
(715) 699-0751
Enumerated
Feb 23, 2007
Record last updated
Feb 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
39120300 WI
Medicare enrollment
Enrolled (PECOS I20100320000088); accepts Medicare assignment
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.
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Verify William J. Schmelzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 2021
    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
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The practice group's MIPS final score for 2023 (Medicare payment program): 84.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score91.8
  2. Costout of 100 · 30%53.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Aspirus Medical Group, Inc.Wausau, WI
  2. Aspirus Wausau Hospital IncWausau, WI

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

William J. Schmelzer among 949 psychologist records in Wisconsin

William J. Schmelzer, PHD is one of 949 psychologist records with a practice address in Wisconsin. 27% 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 38% of them.

  • NPI issued2007 · 38% of these records are older, 47% newer
  • In a Medicare fileYes · 27% of these records are
  • In the CMS Doctors and Clinicians fileYes · 31% of these records are
  • Graduated1994 · median 2006 among the 292 with a school on file
  • Record last updated2020 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Wisconsin

There are 949 psychologist records in Wisconsin.

The 8 psychologist records with the nearest ZIP codes

  1. Eric Anderson, PHDWausau, WI 544031205906179
  2. Courtney DerusWausau, WI 544031255765335
  3. Patrick Lacy, PH.D.Wausau, WI 544031245307388
  4. Jonathon Snider, PSY.D.Wausau, WI 544031720275530
  5. Claire Udell, PSY.D.Wausau, WI 544031295360436
  6. Anthony Gillette, PHDWausau, WI 544011174564645
  7. Paul Hesse, PH.D.Wausau, WI 544011164552477
  8. Jeffrey Molter, PH.D.Wausau, WI 544011326258633

Common questions

What is William J. Schmelzer, PHD's NPI number?

William J. Schmelzer, PHD's National Provider Identifier (NPI) is 1558496984, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William J. Schmelzer, PHD located?

The NPPES record lists a practice address at 910 Mcindoe St, Wausau, WI, 54403. Phone: (715) 699-0751. Providers update this record themselves, so call before visiting.

How can I verify William J. Schmelzer, PHD's license?

NPPES lists Wisconsin license number 2021, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

What is William J. Schmelzer, PHD's MIPS final score?

The 2023 MIPS final score is 84.6 of 100, reported for the practice group. 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.