NPPES file of Aug 9, 2026

Meghan B. Brennan, M.D.

Infectious Disease Physician · Madison, WI

Meghan B. Brennan, M.D. is an infectious disease physician with a practice address in Madison, Wisconsin, and NPI 1033154356, issued on Jun 19, 2006. Check the license (Wisconsin 52279, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1033154356
Name
Meghan B. Brennan
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
52279 WI
Self-reported in NPPES; status is on the state search
Practice location
600 Highland Ave, Madison, WI 53792
Phone
(608) 263-0946
Enumerated
Jun 19, 2006
Record last updated
Jan 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110603000506); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 2006
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 600 Highland Ave

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

  1. Michael AabergSurgery Physician1346991064
  2. Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
  3. Daniel Abbott, MDSurgical Oncology Physician1750412615
  4. Alaa Abd-ElsayedPain Medicine Physician1194967703
  5. Safiyya Abdulkadir, MDRheumatology Physician1093455826
  6. Edwin Abel, M.D.Urology Physician1083800510

Verify Meghan B. Brennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 52279    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

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74% fewer Medicare Part D claims than the average infectious disease physician in 2024

178 Medicare Part D claims for 36 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Meghan Brennan178
  2. Specialty average689

Most prescribed

  1. Penicillin V Potassium35 claims
  2. Doxycycline Hyclate23 claims
  3. Valganciclovir Hcl20 claims
  4. Sodium Chloride12 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. University OF Wisconsin Medical Foundation IncMadison, WI

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

Infectious Disease Physician providers in Wisconsin

There are 171 infectious disease physician records in Wisconsin.

All 171 in Wisconsin → Every provider in Madison →

Other infectious disease physician records in Wisconsin

  1. Kartikey Acharya, M.D., M.P.H.Milwaukee, WI1023242864
  2. Adetunji Adejumo, MDGreen Bay, WI1942532528
  3. William Agger, MDLa Crosse, WI1982607263
  4. Francisco Aguilar, M.D.Milwaukee, WI1326197831
  5. Calvin Albrecht, MDMilwaukee, WI1093396640
  6. Sol Del Mar Aldrete Audiffred, M.D.Milwaukee, WI1396059838
  7. Claudia Altmann, MDGrafton, WI1386691756
  8. David Andes, MDMadison, WI1154398857
  9. Deena Athas, M.D.La Crosse, WI1457526170
  10. Mirza Omer Baig, M.D.Janesville, WI1285720490

Common questions

What is Meghan B. Brennan, M.D.'s NPI number?

Meghan B. Brennan, M.D.'s National Provider Identifier (NPI) is 1033154356, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Meghan B. Brennan, M.D. located?

The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-0946. Providers update this record themselves, so call before visiting.

How can I verify Meghan B. Brennan, M.D.'s license?

NPPES lists Wisconsin license number 52279, 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 Meghan B. Brennan, M.D. prescribe under Medicare Part D?

In 2024, Meghan B. Brennan, M.D. had 178 Medicare Part D claims for 36 beneficiaries; the average among infectious disease physician prescribers was 689. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.