William Chan
NPI 1164727855 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Bellevue, WA
William Chan is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Bellevue, WA (NPI 1164727855).
Provider details
- NPI number
- 1164727855
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PH60158616 (WA)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Warfarin Sodium | 112 | 47 |
| Amlodipine Besylate | 60 | 24 |
| Semaglutidebrand: Ozempic | 43 | — |
| Rosuvastatin Calcium | 32 | 14 |
| Tramadol Hcl | 26 | — |
| Carvedilol | 19 | — |
| Irbesartan | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-01-11
- Last updated
- 2021-07-08
- Certified
- 2021-07-08
Frequently asked questions
- What is William Chan's NPI number?
- William Chan's National Provider Identifier (NPI) is 1164727855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chan's specialty?
- William Chan is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is William Chan located?
- William Chan's practice location on file with NPPES is 222 112th Ave Ne, Bellevue, WA 98004-5815.
- What is William Chan's phone number?
- The practice phone number listed in the NPPES registry for William Chan is (206) 341-0802.
- Is William Chan's NPI active?
- Yes — William Chan's NPI (1164727855) is active in the NPPES registry as of the last update on 2021-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.