Quick answers
- Does Mark J. Mentrikoski accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Mentrikoski 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 Mark J. Mentrikoski see?
- In 2024, CMS data shows 825 Original Medicare patients and 2,374 services for Mark J. Mentrikoski. This counts Original Medicare only and measures volume, not quality.
- What is Mark J. Mentrikoski's NPI number?
- 1427372044. 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 Mark J. Mentrikoski, 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 | 825 |
|---|---|
| Services billed to Medicare | 2,374 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)1,131 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)329 services
- Microscopic genetic analysis of tumor, manual (88360)212 services
- Special stained specimen slides to examine tissue, initial procedure (88342)199 services
- Pathology examination of tissue using a microscope, moderately high complexity (88307)192 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 pressure74%
- Arthritis40%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)38%
- Diabetes31%
- Chronic kidney disease28%
Hospitals where Mark J. Mentrikoski works
Medicare's Facility Affiliation Data lists Mark J. Mentrikoski 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.
- Geisinger Medical CenterDanville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390006
- Geisinger Wyoming Valley Medical CenterWilkes-Barre, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390270
- Geisinger-Bloomsburg HospitalBloomsburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390003
- Geisinger-Community Medical CenterScranton, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390001
- Geisinger-Lewistown HospitalLewistown, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390048
Practice locations
Addresses where Mark J. Mentrikoski is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 N Academy AveDanville, PA 17822 (570) 271‑6211
- 255 Route 220 HwyMuncy, PA 17756 (570) 308‑2600
Group practices
Medicare enrollment lists Mark J. Mentrikoski as a member of these groups (CMS data updated October 2, 2026).
- Geisinger Clinic3,467 clinicians in the group
- Geisinger-Hm Joint Venture LLC422 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Danville
Clinicians with the same Medicare primary specialty in Danville, PA — not a recommendation.
Other clinicians in Geisinger Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Rochester School Of Medicine And Dentistry |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427372044 |
| 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