NPPES file of Aug 9, 2026

Melissa Ann Barnett, M.D.

Internal Medicine Physician · Madison, WI

Melissa Ann Barnett, M.D. is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1538364773, issued on Jun 18, 2007. Check the license (Wisconsin 55154-20, 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
1538364773
Name
Melissa Ann Barnett
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
55154-20 WI
M3891 TX
Self-reported in NPPES; status is on the state search
Practice location
202 S Park St, Madison, WI 53715
Phone
(608) 417-5659
Enumerated
Jun 18, 2007
Record last updated
Feb 12, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
185879701 TX
Medicare enrollment
Enrolled (PECOS I20110801000890); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2003
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 202 S Park St

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

  1. Jacquelyn Adams, M.D.Maternal & Fetal Medicine Physician1811330376
  2. Lynsi Albright, PTAPhysical Therapy Assistant1225380645
  3. Ibrahim Ali, MDInternal Medicine Physician1588292023
  4. William Alward, MDPulmonary Disease Physician1609880939
  5. Iliya Amaza, M.D.Pulmonary Disease Physician1205242732
  6. Jose Anaya, M.D.Internal Medicine Physician1679717680

Verify Melissa Ann Barnett in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 55154-20
    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

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85% fewer Medicare Part D claims than the average internal medicine physician in 2024

461 Medicare Part D claims for 143 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Melissa Barnett461
  2. Specialty average3,176

Most prescribed

  1. Furosemide45 claims
  2. Pantoprazole Sodium35 claims
  3. Atorvastatin Calcium27 claims
  4. Metoprolol Succinate25 claims
  5. Potassium Chloride17 claims
  6. Eliquis15 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.

Industry payments in 2024: $33.21

1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Melissa Barnett$33.21
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Meriter Hospital IncMadison, WI

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

Melissa Ann Barnett among 2,078 internal medicine physician records in Wisconsin

Melissa Ann Barnett, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 40% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2003 · median 2002 among the 1,098 with a school on file
  • Record last updated2013 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

417 internal medicine physician records list a practice address in Madison

They are 417 of the 15,014 NPPES records with a practice address in Madison, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thomas Bugliosi, M.D.Madison, WI 537151629055124
  2. Rebecca Byers, MDMadison, WI 537151568439248
  3. Tony Chang, MDMadison, WI 537151831166990
  4. Heather Childers-Okas, DOMadison, WI 537151093782765
  5. Richard Day, MDMadison, WI 537151972570653
  6. Elizabeth George, MDMadison, WI 537151255308409
  7. Jeremy Jaskunas, MDMadison, WI 537151568438414
  8. Frank Kilpatrick, MDMadison, WI 537151154397172

Common questions

What is Melissa Ann Barnett, M.D.'s NPI number?

Melissa Ann Barnett, M.D.'s National Provider Identifier (NPI) is 1538364773, issued on Jun 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Ann Barnett, M.D. located?

The NPPES record lists a practice address at 202 S Park St, Madison, WI, 53715. Phone: (608) 417-5659. Providers update this record themselves, so call before visiting.

How can I verify Melissa Ann Barnett, M.D.'s license?

NPPES lists Wisconsin license number 55154-20, 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 Melissa Ann Barnett, M.D. prescribe under Medicare Part D?

In 2024, Melissa Ann Barnett, M.D. had 461 Medicare Part D claims for 143 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.