Quick answers
- Does Mariusz J. Klin accept Medicare assignment?
- Yes. Medicare's clinician data says Mariusz J. Klin 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 Mariusz J. Klin see?
- In 2024, CMS data shows 512 Original Medicare patients and 2,343 services for Mariusz J. Klin. This counts Original Medicare only and measures volume, not quality.
- What is Mariusz J. Klin's NPI number?
- 1457357006. 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 Mariusz J. Klin, 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 | 512 |
|---|---|
| Services billed to Medicare | 2,343 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)750 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)461 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)261 services
- Complete ultrasound scan of abdomen (76700)192 services
- Biopsy of large bowel using a flexible endoscope (45380)151 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%
- Arthritis58%
- Diabetes42%
- Ischemic heart disease38%
- Anxiety32%
Hospitals where Mariusz J. Klin works
Medicare's Facility Affiliation Data lists Mariusz J. Klin 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.
- Ascension Sacred Heart BayPanama City, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100026
- HCA Florida Fort Walton-Destin HospitalFort Walton Beach, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100223
- HCA Florida Gulf Coast HospitalPanama City, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100242
- HCA Florida West HospitalPensacola, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100231
- Sacred Heart HospitalPensacola, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100025
Practice locations
Addresses where Mariusz J. Klin is enrolled with Medicare (CMS data updated October 2, 2026).
- 2202 State AvePanama City, FL 32405 (850) 215‑7071
- 449 W 23rd StPanama City, FL 32405 (850) 769‑8341
- 5151 N 9th Ave, Suite 200Pensacola, FL 32504 (850) 416‑4188
Group practices
Medicare enrollment lists Mariusz J. Klin as a member of this group (CMS data updated October 2, 2026).
- Sacred Heart Health System Inc389 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Panama City
Clinicians with the same Medicare primary specialty in Panama City, FL — not a recommendation.
Other clinicians in Sacred Heart Health System Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457357006 |
| 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