Sean T. Duffy, MD
Family Medicine Physician · Walla Walla, WA
Sean T. Duffy, MD is a family medicine physician with a practice address in Walla Walla, Washington, and NPI 1528027901, issued on Mar 22, 2006. Check the license (Washington MD00034058, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Sean T. Duffy
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00034058 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1120 W Rose St, Walla Walla, WA 99362
- Phone
- (509) 525-6650
- Enumerated
- Mar 22, 2006
- Record last updated
- Dec 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (509) 522-6817
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 1120 W Rose St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Bauer, MDInternal Medicine Physician1801392279
- Elizabeth BolandPediatric Nurse Practitioner1477871820
- Kara Breymeyer, RDN, CDRegistered Dietitian1396230470
- Tyler Creason, PHARM.D.Pharmacist1881858843
- Bob DanielPharmacist1205136579
- Dorothy Davey, RN,BSNMaternal Newborn Registered Nurse1114054038
Verify Sean T. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00034058Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,243 Medicare Part D claims for 201 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Lisinopril85 claims
- Atorvastatin Calcium64 claims
- Gabapentin59 claims
- Amlodipine Besylate53 claims
- Levothyroxine Sodium52 claims
- Hydrochlorothiazide49 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.
Sean T. Duffy among 5,534 family medicine physician records in Washington
Sean T. Duffy, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2012 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 family medicine physician records list a practice address in Walla Walla
They are 39 of the 1,276 NPPES records with a practice address in Walla Walla, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Walla Walla → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Carmody, M.D.Walla Walla, WA 993621881668887
- Carmen Ehlers, MDWalla Walla, WA 993621437135050
- John Fackenthall, D.O.Walla Walla, WA 993621568449288
- John Hoehn, MDWalla Walla, WA 993621801871512
- Samuel Kirtley, MDWalla Walla, WA 993621124016548
- John Moore, D.O.Walla Walla, WA 993621063412070
- Cloise Moore, MDWalla Walla, WA 993621639154594
- Robert Morasch, M.D.Walla Walla, WA 993621669478137
Common questions
What is Sean T. Duffy, MD's NPI number?
Sean T. Duffy, MD's National Provider Identifier (NPI) is 1528027901, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sean T. Duffy, MD located?
The NPPES record lists a practice address at 1120 W Rose St, Walla Walla, WA, 99362. Phone: (509) 525-6650. Providers update this record themselves, so call before visiting.
How can I verify Sean T. Duffy, MD's license?
NPPES lists Washington license number MD00034058, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sean T. Duffy, MD prescribe under Medicare Part D?
In 2024, Sean T. Duffy, MD had 1,243 Medicare Part D claims for 201 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.