Quick answers
- Does Yasir Hatahet accept Medicare assignment?
- Yes. Medicare's clinician data says Yasir Hatahet accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Yasir Hatahet see?
- In 2024, CMS data shows 300 Original Medicare patients and 442 services for Yasir Hatahet. This counts Original Medicare only and measures volume, not quality.
- What is Yasir Hatahet's NPI number?
- 1407837537. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Yasir Hatahet, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 300 |
|---|---|
| Services billed to Medicare | 442 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)141 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)106 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)18 services
- Sleep study in sleep lab (6 years or older) (95810)17 services
- Test to measure expiratory airflow and volume (94010)16 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- COPD59%
- Arthritis46%
- Ischemic heart disease46%
- Diabetes36%
Hospitals where Yasir Hatahet works
Medicare's Facility Affiliation Data lists Yasir Hatahet at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ripon Medical CenterRipon, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521321
- SSM Health St Agnes Hospital-Fond Du LacFond Du Lac, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520088
- Waupun Memorial HospitalWaupun, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521327
Practice locations
Addresses where Yasir Hatahet is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 420 E Division StFond Du Lac, WI 54935 (920) 923‑7400
- 430 E Division StFond Du Lac, WI 54935 (920) 929‑2300
- 608 W Brown StWaupun, WI 53963 (920) 324‑6800
- 620 W Brown StWaupun, WI 53963
- 835 Parkside StRipon, WI 54971 (920) 748‑3101
Group practices
Medicare enrollment lists Yasir Hatahet as a member of this group (CMS data updated October 2, 2026).
- Agnesian Healthcare Inc388 clinicians in the group
Specialties
Other pulmonologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Agnesian Healthcare Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407837537 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians