Quick answers
- Does Hafiz Khan accept Medicare assignment?
- Yes. Medicare's clinician data says Hafiz Khan 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 Hafiz Khan see?
- In 2024, CMS data shows 1,097 Original Medicare patients and 2,365 services for Hafiz Khan. This counts Original Medicare only and measures volume, not quality.
- What is Hafiz Khan's NPI number?
- 1275986390. 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 Hafiz Khan, 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 | 1,097 |
|---|---|
| Services billed to Medicare | 2,365 |
| Different services or procedures | 81 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)590 services
- Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)250 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)198 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)196 services
- Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)150 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%
- Ischemic heart disease53%
- Atrial fibrillation43%
- Heart failure42%
- Chronic kidney disease38%
Hospitals where Hafiz Khan works
Medicare's Facility Affiliation Data lists Hafiz Khan 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.
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
- Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 520037
- Marshfield Medical Center - MinocquaMinocqua, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520212
- Marshfield Medical Center - Rice LakeRice Lake, WI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 520011
- Marshfield Medical Center - WestonWeston, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520202
Practice locations
Addresses where Hafiz Khan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
- 1205 O Day StMerrill, WI 54452 (715) 539‑0101
- 1207 O Day StMerrill, WI 54452 (715) 539‑9990
- 3400 Ministry PkwyWeston, WI 54476 (715) 393‑1000
Group practices
Medicare enrollment lists Hafiz Khan as a member of this group (CMS data updated October 2, 2026).
- MCHS Hospitals Inc1,197 clinicians in the group
Specialties
- Internal Medicineprimary
- Interventional Cardiologyalso
Other internal medicine doctors in Marshfield
Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.
Other clinicians in MCHS Hospitals Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275986390 |
| 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