William Phillips, PA-C
NPI 1720568033 · Physician Assistant · Ellensburg, WA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Phillips, PA-C is a Physician Assistant provider in Ellensburg, WA (NPI 1720568033).
Provider details
- NPI number
- 1720568033
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 292 | 83 |
| Lisinopril | 158 | 44 |
| Losartan Potassium | 158 | 42 |
| Amlodipine Besylate | 115 | 29 |
| Levothyroxine Sodium | 114 | 26 |
| Omeprazole | 93 | 31 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-08-16
- Last updated
- 2018-08-16
Frequently asked questions
- What is William Phillips's NPI number?
- William Phillips's National Provider Identifier (NPI) is 1720568033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Phillips's specialty?
- William Phillips is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Phillips located?
- William Phillips's practice location on file with NPPES is 716 E Manitoba Ave, Ellensburg, WA 98926-3842.
- What is William Phillips's phone number?
- The practice phone number listed in the NPPES registry for William Phillips is (509) 933-8777.
- Does William Phillips accept Medicare?
- William Phillips is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Phillips's NPI active?
- Yes — William Phillips's NPI (1720568033) is active in the NPPES registry as of the last update on 2018-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.