NPPES file of Aug 9, 2026

Samuel H. Idarraga, M.D.

Internal Medicine Physician · Wauwatosa, WI

Samuel H. Idarraga, M.D. is an internal medicine physician with a practice address in Wauwatosa, Wisconsin, and NPI 1700850070, issued on Feb 14, 2006. Check the license (Wisconsin 33511-020, 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
1700850070
Name
Samuel H. Idarraga
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
33511-020 WI
Self-reported in NPPES; status is on the state search
Practice location
2645 N Mayfair RD, Wauwatosa, WI 53226
Phone
(414) 479-1800
Enumerated
Feb 14, 2006
Record last updated
Mar 2, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110502000368); may accept Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1989
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.
Download card Updates feed

Also registered at 2645 N Mayfair RD

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

  1. Elizabeth Hood, D.C.Chiropractor1487780334
  2. Andrew Kim, MDInternal Medicine Physician1184697625
  3. James Pechloff, DDSDentist1154421113
  4. Lula ReamsPsychologist1144310491
  5. Kathleen Woody, PSY.D.Clinical Psychologist1568525673

Verify Samuel H. Idarraga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 33511-020    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

11% more Medicare Part D claims than the average internal medicine physician in 2024

3,527 Medicare Part D claims for 264 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Samuel Idarraga3,527
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium333 claims
  2. Lisinopril276 claims
  3. Losartan Potassium270 claims
  4. Simvastatin184 claims
  5. Amlodipine Besylate183 claims
  6. Hydrochlorothiazide157 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. Allegiance Internal Medicine Specialists, SCWauwatosa, WI

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

45 internal medicine physician records list a practice address in Wauwatosa

They are 45 of the 1,787 NPPES records with a practice address in Wauwatosa, and 2,078 internal medicine physician records in Wisconsin.

All 45 in Wauwatosa → All 2,078 in Wisconsin → Every provider in Wauwatosa →

Other internal medicine physician records in Wisconsin

  1. Sheetal Aatrai, MDMarshfield, WI1417568965
  2. Khalid Abdelgadir, MDManitowoc, WI1407433295
  3. Mesfin Abdissa, MDMilwaukee, WI1376579417
  4. Anas Abed, MDMadison, WI1659002566
  5. Margaret Abel, MDRhinelander, WI1477590487
  6. Mesfin Abera, M.D.Beaver Dam, WI1972852390
  7. Vidthya Abraham, M.D.Madison, WI1861836058
  8. Ismael Abu Limon, MDGreenfield, WI1467945543
  9. Amjed Abu Muhanna, MDMarinette, WI1861514135
  10. Satish Achanti, MDAppleton, WI1982711198

Common questions

What is Samuel H. Idarraga, M.D.'s NPI number?

Samuel H. Idarraga, M.D.'s National Provider Identifier (NPI) is 1700850070, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samuel H. Idarraga, M.D. located?

The NPPES record lists a practice address at 2645 N Mayfair RD, Wauwatosa, WI, 53226. Phone: (414) 479-1800. Providers update this record themselves, so call before visiting.

How can I verify Samuel H. Idarraga, M.D.'s license?

NPPES lists Wisconsin license number 33511-020, 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 Samuel H. Idarraga, M.D. prescribe under Medicare Part D?

In 2024, Samuel H. Idarraga, M.D. had 3,527 Medicare Part D claims for 264 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.

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.