Andrew Holwick, PA-C
NPI 1538924667 · Physician Assistant · Seattle, WA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Holwick, PA-C is a Physician Assistant provider in Seattle, WA (NPI 1538924667).
Provider details
- NPI number
- 1538924667
- 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
2 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-02-19
- Last updated
- 2024-02-19
- Certified
- 2024-02-17
Frequently asked questions
- What is Andrew Holwick's NPI number?
- Andrew Holwick's National Provider Identifier (NPI) is 1538924667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Holwick's specialty?
- Andrew Holwick is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrew Holwick located?
- Andrew Holwick's practice location on file with NPPES is 1519 Alaskan Way S, Seattle, WA 98134-1192.
- What is Andrew Holwick's phone number?
- The practice phone number listed in the NPPES registry for Andrew Holwick is (206) 217-6432.
- Does Andrew Holwick accept Medicare?
- Andrew Holwick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Holwick's NPI active?
- Yes — Andrew Holwick's NPI (1538924667) is active in the NPPES registry as of the last update on 2024-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.