Quick answers
- Does Tammie C. Ferringer accept Medicare assignment?
- Yes. Medicare's clinician data says Tammie C. Ferringer 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 Tammie C. Ferringer see?
- In 2024, CMS data shows 1,261 Original Medicare patients and 2,590 services for Tammie C. Ferringer. This counts Original Medicare only and measures volume, not quality.
- What is Tammie C. Ferringer's NPI number?
- 1235106345. 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 Tammie C. Ferringer, 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 | 1,261 |
|---|---|
| Services billed to Medicare | 2,590 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)1,777 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)189 services
- Special stained specimen slides to examine tissue, initial procedure (88342)150 services
- Special stained specimen slides to identify organisms including interpretation and report (88312)76 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)73 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 pressure73%
- Arthritis42%
- Diabetes29%
- Chronic kidney disease28%
- Ischemic heart disease23%
Hospitals where Tammie C. Ferringer works
Medicare's Facility Affiliation Data lists Tammie C. Ferringer 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-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
- WellSpan Evangelical Community HospitalLewisburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390013
Practice locations
Addresses where Tammie C. Ferringer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 100 N Academy AveDanville, PA 17822
- 1000 E Mountain DrWilkes Barre, PA 18711 (570) 826‑7300
- 1020 Thompson StJersey Shore, PA 17740
- 1800 Mulberry StScranton, PA 18510 (570) 969‑7355
- 255 Route 220 HwyMuncy, PA 17756 (570) 308‑2600
Group practices
Medicare enrollment lists Tammie C. Ferringer 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
- Dermatologyprimary
Other dermatologists 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 | Drexel University College Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235106345 |
| 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