Quick answers
- Does Shannon L. Dieffenderfer accept Medicare assignment?
- Yes. Medicare's clinician data says Shannon L. Dieffenderfer 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 Shannon L. Dieffenderfer see?
- In 2024, CMS data shows 226 Original Medicare patients and 403 services for Shannon L. Dieffenderfer. This counts Original Medicare only and measures volume, not quality.
- What is Shannon L. Dieffenderfer's NPI number?
- 1861048530. 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 Shannon L. Dieffenderfer, 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 | 226 |
|---|---|
| Services billed to Medicare | 403 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)181 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)63 services
- Aspiration and/or injection of fluid from large joint (20610)16 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).
- Arthritis75%
- High blood pressure61%
- High cholesterol61%
- Diabetes21%
- Ischemic heart disease18%
- Anxiety17%
Hospitals where Shannon L. Dieffenderfer works
Medicare's Facility Affiliation Data lists Shannon L. Dieffenderfer 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.
- Fairbanks Memorial HospitalFairbanks, AK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 020012
Practice locations
Addresses where Shannon L. Dieffenderfer is enrolled with Medicare (CMS data updated October 2, 2026).
- 1001 Noble StFairbanks, AK 99701 (907) 459‑3500
- 1650 Cowles StFairbanks, AK 99701
- 1650 Cowles St, Suite 542Fairbanks, AK 99701
Group practices
Medicare enrollment lists Shannon L. Dieffenderfer as a member of this group (CMS data updated October 2, 2026).
- Tanana Valley Clinic LLC146 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Fairbanks
Clinicians with the same Medicare primary specialty in Fairbanks, AK — not a recommendation.
Other clinicians in Tanana Valley Clinic LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Philadelphia Col Of Osteo Med, Sewanee |
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861048530 |
| 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