Quick answers
- Which hospitals does Altaf Aman work at?
- Medicare's official clinician data lists Altaf Aman at 5 hospitals: Advocate Sherman Hospital, Aurora Medical Center Kenosha, Froedtert South Inc., Northwestern Medicine Central Dupage Hospital and Northwestern Medicine McHenry. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Altaf Aman see patients?
- Medicare's clinician data lists 14 practice locations, including Lake Forest, IL, Kenosha, WI and Huntley, IL. Call before your visit to confirm the address.
- What is Altaf Aman's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Altaf Aman accept Medicare assignment?
- Yes. Medicare's clinician data says Altaf Aman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Altaf Aman?
- (847) 535-8500, as listed in official Medicare / NPI Registry data.
- What is Altaf Aman's NPI number?
- 1942381132. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Altaf Aman works
Medicare's Facility Affiliation Data lists Altaf Aman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
- Aurora Medical Center KenoshaKenosha, WI · Acute Care Hospital · CCN 520189
- Froedtert South Inc.Kenosha, WI · Acute Care Hospital · CCN 520021
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
Practice locations
Addresses where Altaf Aman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 14; the Medicare profile lists all.
- 1000 N Westmoreland Rd, Pavillion B 3rd FlLake Forest, IL 60045 (847) 535‑8500
- 1000 Westmoreland RdLake Forest, IL 60045 (847) 234‑5600
- 10400 75th StKenosha, WI 53142 (262) 948‑7000
- 10400 Haligus RdHuntley, IL 60142
- 4201 W Medical Ctr DrMcHenry, IL 60050 (815) 759‑4323
Group practices
Medicare enrollment lists Altaf Aman as a member of these groups (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Vituity-Wisconsin HM SC29 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lake Forest
Clinicians with the same Medicare primary specialty in Lake Forest, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942381132 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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