NPPES file of Aug 9, 2026

Matthew W. Gaffney, PA-C

Physician Assistant · Green Bay, WI

Matthew W. Gaffney, PA-C is a physician assistant with a practice address in Green Bay, Wisconsin, and NPI 1528526340, issued on Mar 11, 2019. Check the license (Wisconsin 4981, 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
1528526340
Name
Matthew W. Gaffney
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
4981 WI
Self-reported in NPPES; status is on the state search
Practice location
2845 Greenbrier RD, Green Bay, WI 54311
Phone
(920) 288-4060
Enumerated
Mar 11, 2019
Record last updated
Apr 21, 2026
Fax
(920) 288-4067
Medicare enrollment
Enrolled (PECOS I20200501000415); 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 2845 Greenbrier RD

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

  1. Jade Abts, NPNurse Practitioner1992293708
  2. Ian AdamsonCertified Registered Nurse Anesthetist1184981532
  3. Kerry Ahrens, M.D.Emergency Medicine Physician1639497621
  4. Andrea Akpoguma, M.D.Hospitalist Physician1508091117
  5. Kirsten Akpoguma, CRNACertified Registered Nurse Anesthetist1417601725
  6. Valerie Albers, A.P.N.P.Nurse Practitioner1396015830

Verify Matthew W. Gaffney 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 4981
    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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63% fewer Medicare Part D claims than the average physician assistant in 2024

304 Medicare Part D claims for 223 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 37 claims were for opioids.

  1. Matthew Gaffney304
  2. Specialty average830

Most prescribed

  1. Cephalexin60 claims
  2. Hydrocodone-Acetaminophen31 claims
  3. Tizanidine Hcl26 claims
  4. Amoxicillin-Clavulanate Potass25 claims
  5. Azithromycin17 claims
  6. Doxycycline Hyclate16 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. Baycare Clinic LLPGreen Bay, WI

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

182 physician assistant records list a practice address in Green Bay

They are 182 of the 4,619 NPPES records with a practice address in Green Bay, and 3,475 physician assistant records in Wisconsin.

Other physician assistant records in Wisconsin

  1. Amber Abraham, PA-CGreen Bay, WI1598993297
  2. Roopa AchuriNeenah, WI1225531635
  3. Carleen Acker, PA-CMadison, WI1447514773
  4. Lauren Ackerman, PA-CCudahy, WI1992357982
  5. Jocelyn Acompanado, PA-CSheboygan, WI1770521486
  6. Kora Adam, PA-CBurlington, WI1952666554
  7. Stephanie Adamczyk, PAMilwaukee, WI1063007441
  8. Kristen Adamo, PANew Berlin, WI1437179520
  9. Beth Adams, PA-CMequon, WI1801237540
  10. Eric Adams, PAGreen Bay, WI1528445087

Common questions

What is Matthew W. Gaffney, PA-C's NPI number?

Matthew W. Gaffney, PA-C's National Provider Identifier (NPI) is 1528526340, issued on Mar 11, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Matthew W. Gaffney, PA-C located?

The NPPES record lists a practice address at 2845 Greenbrier RD, Green Bay, WI, 54311. Phone: (920) 288-4060. Providers update this record themselves, so call before visiting.

How can I verify Matthew W. Gaffney, PA-C's license?

NPPES lists Wisconsin license number 4981, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew W. Gaffney, PA-C prescribe under Medicare Part D?

In 2024, Matthew W. Gaffney, PA-C had 304 Medicare Part D claims for 223 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.