NPPES file of Aug 9, 2026

Tj Lewin, PA-C

Physician Assistant · Madison, WI

Tj Lewin, PA-C is a physician assistant with a practice address in Madison, Wisconsin, and NPI 1407589906, issued on Jul 3, 2022. Check the license (Wisconsin 7439-23, 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
1407589906
Name
Tj Lewin
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
7439-23 WI
Self-reported in NPPES; status is on the state search
Practice location
675 W Washington Ave, Madison, WI 53703
Phone
(608) 257-9700
Enumerated
Jul 3, 2022
Record last updated
Aug 8, 2023
Medicare enrollment
Enrolled (PECOS I20230928003379); 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 675 W Washington Ave

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

  1. Richard Adelman, LCSWProfessional Counselor1760400857
  2. Timothy Ballweg, RTDietary Manager1174543854
  3. Arnold Benardette, M.D.Pediatrics Physician1336172576
  4. Shane Berken, PHARM.D.Pharmacist1831628825
  5. Valkyrie Bradford, MAAssistant Behavior Analyst1003632696
  6. Rebecca Bull, MDFamily Medicine Physician1003831991

Verify Tj Lewin 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 7439-23
    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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43% fewer Medicare Part D claims than the average physician assistant in 2024

477 Medicare Part D claims for 97 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 42 claims were for opioids.

  1. Tj Lewin477
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium41 claims
  2. Oxycodone Hcl34 claims
  3. Lisinopril22 claims
  4. Metformin Hcl Er21 claims
  5. Levothyroxine Sodium19 claims
  6. Pantoprazole Sodium16 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. Group Health Cooperative OF South Central WisconsinFitchburg, WI

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

Tj Lewin among 3,475 physician assistant records in Wisconsin

Tj Lewin, 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 2022, is newer than 80% of them.

  • NPI issued2022 · 80% of these records are older, 14% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2023 · median 2016 among the 2,491 with a school on file
  • Record last updated2023 · 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).

396 physician assistant records list a practice address in Madison

They are 396 of the 15,014 NPPES records with a practice address in Madison, and 3,475 physician assistant records in Wisconsin.

The 8 physician assistant records with the nearest ZIP codes

  1. Kyoko Felland, P.A.Madison, WI 537031356867006
  2. Terence Galka, PACMadison, WI 537031083630669
  3. John Hayes, PAMadison, WI 537031699794065
  4. Kaitlin Kamer, PA-CMadison, WI 537031255860318
  5. Randi Kent, PA-CMadison, WI 537031730662982
  6. Morgan Quackenboss, PAMadison, WI 537031750876694
  7. Samantha Spata, PA-CMadison, WI 537031811623218
  8. Julie Vanderwerff, PAMadison, WI 537031568481463

Common questions

What is Tj Lewin, PA-C's NPI number?

Tj Lewin, PA-C's National Provider Identifier (NPI) is 1407589906, issued on Jul 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Tj Lewin, PA-C located?

The NPPES record lists a practice address at 675 W Washington Ave, Madison, WI, 53703. Phone: (608) 257-9700. Providers update this record themselves, so call before visiting.

How can I verify Tj Lewin, PA-C's license?

NPPES lists Wisconsin license number 7439-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Tj Lewin, PA-C prescribe under Medicare Part D?

In 2024, Tj Lewin, PA-C had 477 Medicare Part D claims for 97 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.