Registry data as of Aug 27, 2026

Yasir Hatahet, MD

Critical Care Medicine (Internal Medicine) Physician · Fond Du Lac, WI

Yasir Hatahet, MD is a critical care medicine (internal medicine) physician with a practice address in Fond Du Lac, Wisconsin, and NPI 1407837537, issued on Nov 7, 2005. Check the license (Wisconsin 46206, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1407837537
Name
Yasir Hatahet
Credential
MD
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
46206 WI
Self-reported in NPPES; status is on the state search
Practice location
420 E Division St, Fond Du Lac, WI 54935
Phone
(920) 926-8485
Enumerated
Nov 7, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 420 E Division St

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

  1. Elizabeth Berenz, FNP-BCFamily Nurse Practitioner1619386885
  2. Melissa Berggren, PA-CPhysician Assistant1639377617
  3. Louann Biddick, NPNurse Practitioner1770566721
  4. Jennifer Bissell, MDFamily Medicine Physician1316146962
  5. Tiffany Boelk, APNPFamily Nurse Practitioner1700459690
  6. David Bowman, M.D.Cardiovascular Disease Physician1962492397

Verify Yasir Hatahet in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 46206
    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.

3.8 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024

4,227 Medicare Part D claims for 618 beneficiaries, against an average of 1,103 among the 4,049 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims. 13 claims were for opioids.

  1. Yasir Hatahet4,227
  2. Specialty average1,103

Most prescribed

  1. Albuterol Sulfate Hfa498 claims
  2. Breztri Aerosphere385 claims
  3. Trelegy Ellipta282 claims
  4. Fluticasone-Salmeterol232 claims
  5. Arnuity Ellipta220 claims
  6. Montelukast Sodium192 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: $44.30

1 payment, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,336 providers of this specialty with any payment received $4,158.57 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yasir Hatahet$44.30
  2. Specialty average$4,158.57

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

One hospital or facility affiliation

  1. Agnesian Healthcare IncFond Du Lac, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Critical Care Medicine (Internal Medicine) Physician providers in Wisconsin

There are 140 critical care medicine (internal medicine) physician records in Wisconsin.

Other critical care medicine (internal medicine) physician records in Wisconsin

  1. Majdi Al Nabulsi, MDMilwaukee, WI1063958114
  2. Abdullah Al Twal, MDMarshfield, WI1780090225
  3. Muhammad Alkhan, MDJanesville, WI1114950813
  4. John Almquist, MDAppleton, WI1104810118
  5. Rodolfo Alpizar-Rivas, MDMilwaukee, WI1427579457
  6. Matthew Anderson, M.D.Madison, WI1285922567
  7. Venkata Vijay Anne, MDMilwaukee, WI1972520823
  8. Femi Ayanrino, MDAppleton, WI1619962180
  9. Ankita Badhwar, DOMadison, WI1194344796
  10. Jay Balachandran, MDMequon, WI1396786273

Common questions

What is Yasir Hatahet, MD's NPI number?

Yasir Hatahet, MD's National Provider Identifier (NPI) is 1407837537, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Yasir Hatahet, MD located?

The NPPES record lists a practice address at 420 E Division St, Fond Du Lac, WI, 54935. Phone: (920) 926-8485. Providers update this record themselves, so call before visiting.

How can I verify Yasir Hatahet, MD's license?

NPPES lists Wisconsin license number 46206, 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 Yasir Hatahet, MD prescribe under Medicare Part D?

In 2024, Yasir Hatahet, MD had 4,227 Medicare Part D claims for 618 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 1,103. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.