Chelsea Mackay, PA-C
Physician Assistant · Bellingham, WA
Chelsea Mackay, PA-C is a physician assistant with a practice address in Bellingham, Washington, and NPI 1790363448, issued on Apr 1, 2021. Check the license (Washington PA.PA.61690554, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chelsea Mackay
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA.PA.61690554 WA
Self-reported in NPPES; status is on the state search - Practice location
- 220 Unity St, Bellingham, WA 98225
- Phone
- (360) 676-6177
- Enumerated
- Apr 1, 2021
- Record last updated
- Jul 28, 2025
- Fax
- (360) 671-3574
- Medicare enrollment
- Enrolled (PECOS I20250821002347); accepts Medicare assignment
- Medical or professional school
- Mercer University School Of Medicine, 2024
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 220 Unity St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chelsea Mackay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA.PA.61690554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Unity Care NorthwestBellingham, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chelsea Mackay among 3,718 physician assistant records in Washington
Chelsea Mackay, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 77% of them.
- NPI issued2021 · 77% of these records are older, 17% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2024 · median 2017 among the 2,460 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 physician assistant records list a practice address in Bellingham
They are 65 of the 5,172 NPPES records with a practice address in Bellingham, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Bellingham → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Berke Altan, PACBellingham, WA 982251366512824
- Joshua Brawley, PACBellingham, WA 982251326067679
- Kelli Cole-Vadjic, PA-CBellingham, WA 982251891755989
- Erica Dascher, PABellingham, WA 982251578651568
- Carrie Dyer, PABellingham, WA 982251306934302
- John Eudy, PABellingham, WA 982251033180872
- Karin Jones, PA-CBellingham, WA 982251588671317
- Jonna Kelly, PA-CBellingham, WA 982251497856314
Common questions
What is Chelsea Mackay, PA-C's NPI number?
Chelsea Mackay, PA-C's National Provider Identifier (NPI) is 1790363448, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Mackay, PA-C located?
The NPPES record lists a practice address at 220 Unity St, Bellingham, WA, 98225. Phone: (360) 676-6177. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Mackay, PA-C's license?
NPPES lists Washington license number PA.PA.61690554, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.