Quick answers
- Does Lina F. Khamis accept Medicare assignment?
- Yes. Medicare's clinician data says Lina F. Khamis 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 Lina F. Khamis see?
- In 2024, CMS data shows 182 Original Medicare patients and 798 services for Lina F. Khamis. This counts Original Medicare only and measures volume, not quality.
- What is Lina F. Khamis's NPI number?
- 1538384409. 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 Lina F. Khamis, 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 | 182 |
|---|---|
| Services billed to Medicare | 798 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)176 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)157 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)121 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)71 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)47 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 cholesterol75%
- High blood pressure59%
- Arthritis36%
- Osteoporosis26%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%
- Ischemic heart disease19%
Hospitals where Lina F. Khamis works
Medicare's Facility Affiliation Data lists Lina F. Khamis 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.
- Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140191
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140179
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088
Practice locations
Addresses where Lina F. Khamis is enrolled with Medicare (CMS data updated October 2, 2026).
- 425 Sand Creek DrChesterton, IN 46304
- 425 Sand Creek Dr, Suite CChesterton, IN 46304
- 5841 S Maryland AveChicago, IL 60637 (888) 824‑0200
Group practices
Medicare enrollment lists Lina F. Khamis as a member of these groups (CMS data updated October 2, 2026).
- University of Chicago1,712 clinicians in the group
- Chesterton Physical Therapy Inc186 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Other clinicians in University of Chicago
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538384409 |
| 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