Registry data as of Aug 27, 2026

Megan Byrnes, MD

Family Medicine Physician · Mauston, WI

Megan Byrnes, MD is a family medicine physician with a practice address in Mauston, Wisconsin, and NPI 1184294902, issued on Jun 25, 2021. Check the license (Wisconsin 82552-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1184294902
Name
Megan Byrnes
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
82552-20 WI
Self-reported in NPPES; status is on the state search
Practice location
1040 Division St, Mauston, WI 53948
Phone
(608) 847-5000
Enumerated
Jun 25, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1040 Division St

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

  1. Timothy Bjelland, D.O.Family Medicine Physician1811984305
  2. Randall Brandt, PACPhysician Assistant1710978754
  3. Gregory Burgess, PA-CSurgical Physician Assistant1932458932
  4. Kevin Butterfield, DOFamily Medicine Physician1184611592
  5. Cristina Custer, NPRegistered Nurse1548241821
  6. Angela Gatzke-Plamann, MDFamily Medicine Physician1417170788

Verify Megan Byrnes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 82552-20
    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
Open 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.

93% fewer Medicare Part D claims than the average family medicine physician in 2024

254 Medicare Part D claims for 71 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Megan Byrnes254
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium19 claims
  2. Gabapentin15 claims
  3. Cefuroxime11 claims
  4. Doxycycline Monohydrate11 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.

One hospital or facility affiliation

  1. Mile Bluff Medical Center IncMauston, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

18 family medicine physician records list a Mauston practice address

They are 18 of the 266 NPPES records with a Mauston practice address, and 3,629 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ghudran Abdulal, MDNew Berlin, WI1083622666
  2. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  3. Benjamin Abeyta, M.D.Wauwatosa, WI1447511597
  4. Emily Abeyta, MDWaukesha, WI1386905107
  5. Islam Abo Al Nadie, MDMilwaukee, WI1326618786
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is Megan Byrnes, MD's NPI number?

Megan Byrnes, MD's National Provider Identifier (NPI) is 1184294902, issued on Jun 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Megan Byrnes, MD located?

The NPPES record lists a practice address at 1040 Division St, Mauston, WI, 53948. Phone: (608) 847-5000. Providers update this record themselves, so call before visiting.

How can I verify Megan Byrnes, MD's license?

NPPES lists Wisconsin license number 82552-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Megan Byrnes, MD prescribe under Medicare Part D?

In 2024, Megan Byrnes, MD had 254 Medicare Part D claims for 71 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.