Quick answers
- Does Rehmat U. Sheikh accept Medicare assignment?
- Yes. Medicare's clinician data says Rehmat U. Sheikh 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 Rehmat U. Sheikh see?
- In 2024, CMS data shows 709 Original Medicare patients and 1,507 services for Rehmat U. Sheikh. This counts Original Medicare only and measures volume, not quality.
- What is Rehmat U. Sheikh's NPI number?
- 1457516965. 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 Rehmat U. Sheikh, 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 | 709 |
|---|---|
| Services billed to Medicare | 1,507 |
| Different services or procedures | 64 |
| 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)457 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)279 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)162 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)114 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)77 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 disease60%
- Arthritis49%
- Chronic kidney disease44%
- Heart failure44%
Hospitals where Rehmat U. Sheikh works
Medicare's Facility Affiliation Data lists Rehmat U. Sheikh 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.
- Javon Bea HospitalRockford, IL · Acute Care Hospital · closed, according to its website · CCN 140239
- Mercy Health System CorpJanesville, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520066
- Mercyhealth FHN HospitalFreeport, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140160
- Mercyhealth Hospital & Physician Clinic-Crystal LACrystal Lake, IL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 140308
- UW HealthRockford, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140228
Practice locations
Addresses where Rehmat U. Sheikh is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1000 Mineral Point AveJanesville, WI 53548 (608) 756‑6000
- 1036 W Stephenson StFreeport, IL 61032 (815) 599‑6000
- 1045 W Stephenson StFreeport, IL 61032 (815) 599‑6000
- 1120 Healthcare DrMount Carroll, IL 61053 (815) 244‑4181
- 160 W Main StLena, IL 61048 (815) 369‑3300
Group practices
Medicare enrollment lists Rehmat U. Sheikh as a member of these groups (CMS data updated October 2, 2026).
- Mercy Health System Corporation753 clinicians in the group
- Freeport Memorial Hospital178 clinicians in the group
- Freeport Regional Health Care Foundation92 clinicians in the group
Specialties
- Internal Medicineprimary
- Interventional Cardiologyalso
Other internal medicine doctors in Janesville
Clinicians with the same Medicare primary specialty in Janesville, WI — not a recommendation.
Other clinicians in Mercy Health System Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457516965 |
| 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