Shannon Lee Ruth Dieffenderfer
Physician Assistant · Anchorage, AK
Shannon Lee Ruth Dieffenderfer is a physician assistant with a practice address in Anchorage, Alaska, and NPI 1861048530, issued on Aug 17, 2019. Check the license (Alaska 172156, as entered in NPPES) with the Alaska board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shannon Lee Ruth Dieffenderfer
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 172156 AK
10117 GA
Self-reported in NPPES; status is on the state search - Practice location
- 4100 Lake Otis Pkwy Ste 108, Anchorage, AK 99508
- Phone
- (907) 563-3145
- Enumerated
- Aug 17, 2019
- Record last updated
- Jun 6, 2022
- Fax
- (907) 561-3967
- Medicare enrollment
- Enrolled (PECOS I20210505003147); accepts Medicare assignment
- Medical or professional school
- Philadelphia Col Of Osteo Med, Sewanee, 2020
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 542 in Alaska → Look up another NPI →
Also registered at 4100 Lake Otis Pkwy Ste 108
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan AdkinsOccupational Therapist1568025484
- Christopher Albert, PA-CSurgical Physician Assistant1780054445
- Daniel CepelaOrthopaedic Surgery Physician1437418811
- Sandra Doyle, PTAPhysical Therapy Assistant1609124700
- Regina Fiacco, D.P.M.Foot & Ankle Surgery Podiatrist1871955591
- Jayme Fuller, PA-CSurgical Physician Assistant1306490446
Verify Shannon Lee Ruth Dieffenderfer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Alaska board licenses this profession
Search for license 172156Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average physician assistant in 2024
207 Medicare Part D claims for 67 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Gabapentin48 claims
- Oxycodone Hcl47 claims
- Cyclobenzaprine Hcl36 claims
- Meloxicam20 claims
- Alendronate Sodium12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $907.23
8 payments; by number, the most common kind was food and beverage; the largest payer was Alaska Medical Technologies, Llc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tanana Valley Clinic LLCFairbanks, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shannon Lee Ruth Dieffenderfer among 542 physician assistant records in Alaska
Shannon Lee Ruth Dieffenderfer is one of 542 physician assistant records with a practice address in Alaska. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 75% of them.
- NPI issued2019 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2020 · median 2015 among the 282 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
248 physician assistant records list a practice address in Anchorage
They are 248 of the 11,751 NPPES records with a practice address in Anchorage, and 542 physician assistant records in Alaska.
All 542 in Alaska → Every provider in Anchorage → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Terri Berndt, PA-CAnchorage, AK 995081568458222
- Robert Bidwell, PA-CAnchorage, AK 995081215915236
- James Bliven, PA-CAnchorage, AK 995081053341321
- Carlene Boden, P.A.Anchorage, AK 995081235128349
- Olegario Carrillo, PA-CAnchorage, AK 995081417946039
- Thomas Hishon, PA-CAnchorage, AK 995081871516237
- Ashley Marquardt, PACAnchorage, AK 995081427019587
- David Miller, PA-CAnchorage, AK 995081962432781
Common questions
What is Shannon Lee Ruth Dieffenderfer's NPI number?
Shannon Lee Ruth Dieffenderfer's National Provider Identifier (NPI) is 1861048530, issued on Aug 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Shannon Lee Ruth Dieffenderfer located?
The NPPES record lists a practice address at 4100 Lake Otis Pkwy Ste 108, Anchorage, AK, 99508. Phone: (907) 563-3145. Providers update this record themselves, so call before visiting.
How can I verify Shannon Lee Ruth Dieffenderfer's license?
NPPES lists Alaska license number 172156, as entered by the provider. Search the Alaska board that licenses this profession; the NPPES record confirms identity only.
How much does Shannon Lee Ruth Dieffenderfer prescribe under Medicare Part D?
In 2024, Shannon Lee Ruth Dieffenderfer had 207 Medicare Part D claims for 67 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.