NPPES file of Aug 9, 2026

Barbara J. Schlittler, PA-C

Physician Assistant · Waunakee, WI

Barbara J. Schlittler, PA-C is a physician assistant with a practice address in Waunakee, Wisconsin, and NPI 1427007723, issued on May 6, 2006. Check the license (Wisconsin 469-023, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427007723
Name
Barbara J. Schlittler
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
469-023 WI
Self-reported in NPPES; status is on the state search
Practice location
1300 S Century Ave, Waunakee, WI 53597
Phone
(608) 849-4315
Enumerated
May 6, 2006
Record last updated
Dec 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(608) 850-1606
Medicaid ID
1427007723 WI
Medicare enrollment
Enrolled (PECOS I20100224000093); 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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Also registered at 1300 S Century Ave

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

  1. John Beaty, P.T.Physical Therapist1013139146
  2. Christine Disch, APNPNurse Practitioner1518319078
  3. Noelle Dowling, MDFamily Medicine Physician1255372751
  4. Suzanne Dynneson, APNPNurse Practitioner1306918644
  5. Katherine Fox, M.D.Sports Medicine (Family Medicine) Physician1942462353
  6. Mathew Herbst, MDFamily Medicine Physician1811020969

Verify Barbara J. Schlittler 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 469-023
    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

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38% fewer Medicare Part D claims than the average physician assistant in 2024

517 Medicare Part D claims for 182 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Barbara Schlittler517
  2. Specialty average830

Most prescribed

  1. Trazodone Hcl22 claims
  2. Prednisone17 claims
  3. Hydrochlorothiazide16 claims
  4. Olanzapine16 claims
  5. Omeprazole16 claims
  6. Levothyroxine Sodium14 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

  1. Dean Health Systems IncMadison, WI

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

Barbara J. Schlittler among 3,475 physician assistant records in Wisconsin

Barbara J. Schlittler, PA-C is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 76% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1986 · median 2016 among the 2,491 with a school on file
  • Record last updated2020 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physician Assistant providers in Wisconsin

There are 3,475 physician assistant records in Wisconsin.

The 8 physician assistant records with the nearest ZIP codes

  1. Sean Peronto, PAMiddleton, WI 535971932832532
  2. Holly Keddington, PA-CWaterloo, WI 535941194458794
  3. Laura Schultz, PA-CWaterloo, WI 535941508187436
  4. Krista Dopf, PA CVerona, WI 535931134183858
  5. Kate Blank, PA-CSun Prairie, WI 535901073758884
  6. Kyle D'Alberto, PA-CSun Prairie, WI 535901639742265
  7. Kailene DevriesSun Prairie, WI 535901609315159
  8. Chad Hess, PASun Prairie, WI 535901538719349

Common questions

What is Barbara J. Schlittler, PA-C's NPI number?

Barbara J. Schlittler, PA-C's National Provider Identifier (NPI) is 1427007723, issued on May 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barbara J. Schlittler, PA-C located?

The NPPES record lists a practice address at 1300 S Century Ave, Waunakee, WI, 53597. Phone: (608) 849-4315. Providers update this record themselves, so call before visiting.

How can I verify Barbara J. Schlittler, PA-C's license?

NPPES lists Wisconsin license number 469-023, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Barbara J. Schlittler, PA-C prescribe under Medicare Part D?

In 2024, Barbara J. Schlittler, PA-C had 517 Medicare Part D claims for 182 beneficiaries; the average among physician assistant prescribers was 830. 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.