Quick answers
- Does Kassem Khreis accept Medicare assignment?
- Yes. Medicare's clinician data says Kassem Khreis 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 Kassem Khreis see?
- In 2024, CMS data shows 58 Original Medicare patients and 130 services for Kassem Khreis. This counts Original Medicare only and measures volume, not quality.
- What is Kassem Khreis's NPI number?
- 1306236633. 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 Kassem Khreis, 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 | 58 |
|---|---|
| Services billed to Medicare | 130 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 82 |
Most frequent 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)34 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)28 services
- Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)26 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)19 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%
- Alzheimer's disease or dementia67%
- Arthritis45%
- Depression40%
- Anxiety36%
Hospitals where Kassem Khreis works
Medicare's Facility Affiliation Data lists Kassem Khreis 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.
- Holland HospitalHolland, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230072
Practice locations
Addresses where Kassem Khreis is enrolled with Medicare (CMS data updated October 2, 2026).
- 3235 N Wellness Dr, 120b Internal Medicine NorthHolland, MI 49424 (616) 399‑9522
- 5060 Cascade RdGrand Rapids, MI 49546
- 5060 Cascade Rd, Suite AGrand Rapids, MI 49546
- 5060 Cascade Rd SEGrand Rapids, MI 49546
- 5060 Cascade Rd SE, Suite AGrand Rapids, MI 49546
Group practices
Medicare enrollment lists Kassem Khreis as a member of these groups (CMS data updated October 2, 2026).
- Center for Physical Rehabilitation and Therapy LP369 clinicians in the group
- Center for Physical Rehabilitation Inc357 clinicians in the group
- Holland Community Hospital178 clinicians in the group
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in Holland
Clinicians with the same Medicare primary specialty in Holland, MI — not a recommendation.
Other clinicians in Center for Physical Rehabilitation and Therapy LP
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) | 1306236633 |
| 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