Chelsea Mackay, PA-C
NPI 1790363448 · Physician Assistant · Bellingham, WA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsea Mackay, PA-C is a Physician Assistant provider in Bellingham, WA (NPI 1790363448).
Provider details
- NPI number
- 1790363448
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA.PA.61690554 (WA)
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
5 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-01
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Chelsea Mackay's NPI number?
- Chelsea Mackay's National Provider Identifier (NPI) is 1790363448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Mackay's specialty?
- Chelsea Mackay is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Chelsea Mackay located?
- Chelsea Mackay's practice location on file with NPPES is 220 Unity St, Bellingham, WA 98225-4420.
- What is Chelsea Mackay's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Mackay is (360) 676-6177.
- Does Chelsea Mackay accept Medicare?
- Chelsea Mackay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsea Mackay's NPI active?
- Yes — Chelsea Mackay's NPI (1790363448) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.