Quick answers
- Does Issam A. Turk accept Medicare assignment?
- Yes. Medicare's clinician data says Issam A. Turk 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 Issam A. Turk see?
- In 2024, CMS data shows 302 Original Medicare patients and 518 services for Issam A. Turk. This counts Original Medicare only and measures volume, not quality.
- What is Issam A. Turk's NPI number?
- 1871973420. 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 Issam A. Turk, 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 | 302 |
|---|---|
| Services billed to Medicare | 518 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)121 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)109 services
- Biopsy of large bowel using a flexible endoscope (45380)50 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)49 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 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 pressure71%
- High cholesterol69%
- Arthritis48%
- Anxiety28%
- Diabetes25%
- Ischemic heart disease23%
Hospitals where Issam A. Turk works
Medicare's Facility Affiliation Data lists Issam A. Turk 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.
- McLaren Port HuronPort Huron, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230216
- Monument Health Custer HospitalCuster, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431323
- Monument Health Rapid City HospitalRapid City, SD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 430077
- Monument Health Spearfish HospitalSpearfish, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430048
Practice locations
Addresses where Issam A. Turk is enrolled with Medicare (CMS data updated October 2, 2026).
- 1231 Pine Grove Ave, Suite 1bPort Huron, MI 48060 (810) 987‑6218
- 353 Fairmont BlvdRapid City, SD 57701 (605) 755‑8109
Group practices
Medicare enrollment lists Issam A. Turk as a member of these groups (CMS data updated October 2, 2026).
- Monument Health Rapid City Hospital Inc564 clinicians in the group
- McLaren Port Huron52 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Other clinicians in Monument Health Rapid City Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871973420 |
| 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