NPPES file of Aug 9, 2026

Sabina Diehr, MD

Family Medicine Physician · Milwaukee, WI

Sabina Diehr, MD is a family medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1003867185, issued on May 13, 2006. Check the license (Wisconsin 32438, 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
1003867185
Name
Sabina Diehr
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
32438 WI
Self-reported in NPPES; status is on the state search
Practice location
1155 N Mayfair RD, Milwaukee, WI 53226
Phone
(414) 955-5990
Enumerated
May 13, 2006
Record last updated
Nov 6, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(414) 955-6282
Medicaid ID
1003867185 WI
Medicare enrollment
Enrolled (PECOS I20100726000265); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1988
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 1155 N Mayfair RD

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

  1. Syed Ahmed, MDFamily Medicine Physician1982655460
  2. Yoshiaki Akiya, M.D.Family Medicine Physician1245386614
  3. Mary Alvarez, MDPsychiatry Physician1669424230
  4. Anne Anderson, PAMedical Physician Assistant1285685701
  5. Danielle Anderson, M.D.Psychiatry Physician1063568202
  6. Adrian Battiston, MD, FRCSCPlastic Surgery Physician1073403465

Verify Sabina Diehr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 32438
    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.

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43% fewer Medicare Part D claims than the average family medicine physician in 2024

2,004 Medicare Part D claims for 208 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 43 claims were for opioids.

  1. Sabina Diehr2,004
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium208 claims
  2. Levothyroxine Sodium116 claims
  3. Hydrochlorothiazide114 claims
  4. Lisinopril79 claims
  5. Omeprazole66 claims
  6. Amlodipine Besylate65 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 2 group practices

  1. Froedtert Andthe Medical College OF Wisconsin Community Physicians IncWauwatosa, WI
  2. Outreach Community Health Centers IncMilwaukee, WI

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

Sabina Diehr among 3,765 family medicine physician records in Wisconsin

Sabina Diehr, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1988 · median 2007 among the 2,347 with a school on file
  • Record last updated2013 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

299 family medicine physician records list a practice address in Milwaukee

They are 299 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Syed Ahmed, MDMilwaukee, WI 532261982655460
  2. Joan Bedinghaus, MDMilwaukee, WI 532261780635136
  3. Steven Bondow, MDMilwaukee, WI 532261003843772
  4. Harold Ducloux, M.D.Wauwatosa, WI 532261154367811
  5. Sarah Gaglianello, MDMilwaukee, WI 532261750324570
  6. Ravi Gupta, M.D.Wauwatosa, WI 532261164494324
  7. Nancy Havas, MDMilwaukee, WI 532261255382081
  8. Matthew Hunsaker, M.D.Milwaukee, WI 532261578526224

Common questions

What is Sabina Diehr, MD's NPI number?

Sabina Diehr, MD's National Provider Identifier (NPI) is 1003867185, issued on May 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sabina Diehr, MD located?

The NPPES record lists a practice address at 1155 N Mayfair RD, Milwaukee, WI, 53226. Phone: (414) 955-5990. Providers update this record themselves, so call before visiting.

How can I verify Sabina Diehr, MD's license?

NPPES lists Wisconsin license number 32438, 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 Sabina Diehr, MD prescribe under Medicare Part D?

In 2024, Sabina Diehr, MD had 2,004 Medicare Part D claims for 208 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.