NPPES file of Aug 9, 2026

Diane M. Anderson, M.D.

Hospitalist Physician · Madison, WI

Diane M. Anderson, M.D. is a hospitalist physician with a practice address in Madison, Wisconsin, and NPI 1437598620, issued on Jun 20, 2013. Check the license (Wisconsin 66636-20, 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
1437598620
Name
Diane M. Anderson
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
66636-20 WI
Self-reported in NPPES; status is on the state search
Practice location
202 S Park St, Madison, WI 53715
Phone
(608) 417-5695
Enumerated
Jun 20, 2013
Record last updated
Feb 9, 2023
Fax
(608) 417-5890
Medicare enrollment
Enrolled (PECOS I20171011003691); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2013
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 Diane M. Anderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 66636-20
    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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62% fewer Medicare Part D claims than the average hospitalist physician in 2024

198 Medicare Part D claims for 37 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Diane Anderson198
  2. Specialty average521

Most prescribed

  1. Atorvastatin Calcium24 claims
  2. Metoprolol Succinate15 claims
  3. Carvedilol14 claims
  4. Pantoprazole Sodium13 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. Meriter Hospital IncMadison, WI

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

Diane M. Anderson among 894 hospitalist physician records in Wisconsin

Diane M. Anderson, M.D. is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 47% of them.

  • NPI issued2013 · 47% of these records are older, 50% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated2013 · median 2011 among the 768 with a school on file
  • Record last updated2023 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Wisconsin

There are 894 hospitalist physician records in Wisconsin.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Anna Bilhorn, MDMadison, WI 537151841244209
  2. Nicole Christian, M.D.Madison, WI 537151295793644
  3. Matthew Crowe, MDMadison, WI 537151720055403
  4. Kevin Eichhorn, MDMadison, WI 537151487691705
  5. Santiago Hernandez, MDMadison, WI 537151801834007
  6. Robert Hoffman, MDMadison, WI 537151457327496
  7. Alexander Kendziorski, MDMadison, WI 537151083669394
  8. Ibuki Kimura, MDMadison, WI 537151194770198

Common questions

What is Diane M. Anderson, M.D.'s NPI number?

Diane M. Anderson, M.D.'s National Provider Identifier (NPI) is 1437598620, issued on Jun 20, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Diane M. Anderson, M.D. located?

The NPPES record lists a practice address at 202 S Park St, Madison, WI, 53715. Phone: (608) 417-5695. Providers update this record themselves, so call before visiting.

How can I verify Diane M. Anderson, M.D.'s license?

NPPES lists Wisconsin license number 66636-20, 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 Diane M. Anderson, M.D. prescribe under Medicare Part D?

In 2024, Diane M. Anderson, M.D. had 198 Medicare Part D claims for 37 beneficiaries; the average among hospitalist physician prescribers was 521. 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.