NPPES file of Aug 9, 2026

Jacob William Diestelmann, PH.D.

Psychologist · Marshfield, WI

Jacob William Diestelmann, PH.D. is a psychologist with a practice address in Marshfield, Wisconsin, and NPI 1376064709, issued on Jul 6, 2017. Check the license (Wisconsin 3608, 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
1376064709
Name
Jacob William Diestelmann
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
3608 WI
Self-reported in NPPES; status is on the state search
Practice location
1000 N Oak Ave, Marshfield, WI 54449
Phone
(715) 387-5703
Enumerated
Jul 6, 2017
Record last updated
Feb 16, 2024
Medicare enrollment
Enrolled (PECOS I20181008000610); accepts Medicare assignment
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.
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Also registered at 1000 N Oak Ave

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

  1. Sheetal Aatrai, MDInternal Medicine Physician1417568965
  2. Sukaina AbbasPediatrics Physician1407529191
  3. Chady Abboud Leon, M.D.Hematology & Oncology Physician1770737744
  4. Ihab Abdalrahman, MDHospitalist Physician1497855134
  5. Raquel Abengozar Mingorance, MDStudent in an Organized Health Care Education/Training Program1609437755
  6. Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574

Verify Jacob William Diestelmann 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 3608
    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
Find 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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 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 score66.7
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  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 one group practice

  1. Mchs Hospitals IncMarshfield, WI

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

Jacob William Diestelmann among 949 psychologist records in Wisconsin

Jacob William Diestelmann, PH.D. 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 2017, is newer than 77% of them.

  • NPI issued2017 · 77% of these records are older, 19% newer
  • In a Medicare fileYes · 27% of these records are
  • In the CMS Doctors and Clinicians fileYes · 31% of these records are
  • Graduated2017 · median 2006 among the 292 with a school on file
  • Record last updated2024 · 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).

19 psychologist records list a practice address in Marshfield

They are 19 of the 1,360 NPPES records with a practice address in Marshfield, and 949 psychologist records in Wisconsin.

The 8 psychologist records with the nearest ZIP codes

  1. Stacy Braun, PHDMarshfield, WI 544491407159379
  2. Joseph Chojnacki, PHDMarshfield, WI 544491033211719
  3. Conrad Christensen, PSYCHOLOGISTMarshfield, WI 544491659797009
  4. Julie Kaprelian, PSY.D.Marshfield, WI 544491316372295
  5. Stephanie Kohlbeck, PHDMarshfield, WI 544491447356787
  6. Timothy Lichtenwald, PSY.D.Marshfield, WI 544491457626467
  7. D Loshek, PHDMarshfield, WI 544491619064540
  8. Michael Miller, PHDMarshfield, WI 544491194827899

Common questions

What is Jacob William Diestelmann, PH.D.'s NPI number?

Jacob William Diestelmann, PH.D.'s National Provider Identifier (NPI) is 1376064709, issued on Jul 6, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jacob William Diestelmann, PH.D. located?

The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5703. Providers update this record themselves, so call before visiting.

How can I verify Jacob William Diestelmann, PH.D.'s license?

NPPES lists Wisconsin license number 3608, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

What is Jacob William Diestelmann, PH.D.'s MIPS final score?

The 2023 MIPS final score is 78.9 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.