Sean Duffy, MD
NPI 1528027901 · Family Medicine Physician · Walla Walla, WA
Sean Duffy, MD is a Family Medicine Physician provider in Walla Walla, WA (NPI 1528027901).
Provider details
- NPI number
- 1528027901
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00034058 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 85 | 40 |
| Atorvastatin Calcium | 64 | 29 |
| Gabapentin | 59 | 25 |
| Amlodipine Besylate | 53 | 23 |
| Levothyroxine Sodium | 52 | 21 |
| Omeprazole | 49 | 32 |
| Hydrochlorothiazide | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-22
- Last updated
- 2012-12-20
Frequently asked questions
- What is Sean Duffy's NPI number?
- Sean Duffy's National Provider Identifier (NPI) is 1528027901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Duffy's specialty?
- Sean Duffy is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Duffy located?
- Sean Duffy's practice location on file with NPPES is 1120 W Rose St, Walla Walla, WA 99362-1662.
- What is Sean Duffy's phone number?
- The practice phone number listed in the NPPES registry for Sean Duffy is (509) 525-6650.
- Is Sean Duffy's NPI active?
- Yes — Sean Duffy's NPI (1528027901) is active in the NPPES registry as of the last update on 2012-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.