Doctor profile · Federal record

Dr. Katie Armbruster, PA-C

Physician Assistant · Bellingham, WA

  • NPI 1942816186
  • Accepts Medicare
  • MIPS 81.0 / 100 · 2023
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
4465 Cordata Pkwy Ste 102
Bellingham, WA 982268037
(360) 752-5280
fax (360) 752-5282
Additional location
1990 Hospital Dr Ste 100
Sedro Woolley, WA 982849315
(360) 856-8800
fax (360) 714-2522
Additional location
2000 Hospital Dr
Sedro Woolley, WA 982844327
(360) 856-8820
Show 3 more locations
Additional location
2901 Squalicum Pkwy
Bellingham, WA 982251851
(360) 788-6360
Additional location
3200 Squalicum Pkwy
Bellingham, WA 982251932
Additional location
433 E 8Th St
Port Angeles, WA 983626219
(360) 565-0999
Mailing address
939 Caroline St
Port Angeles, WA 983623909

Credentials & registration

NPPES · NUCC
NPI registered
September 2020 — 6 yrs on file
Profile last updated
November 20, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #PA61103950

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942816186. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66
Distinct HCPCS
2
Medicare allowed
$2,941
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 39 28 $34
99213 Established patient office or other outpatient visit, 20-29 minutes 27 27 $60

In context: peer comparison

Among 24 peers in Bellingham Physician Assistant, average services per provider: 128. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
0
Total drug cost
$7,019
Drug Type Claims Patients Total cost
Estradiol Generic 12 0 $1,115
Premarin (Estrogens, Conjugated) Brand 11 0 $5,904

Frequently asked questions

Auto-generated from federal data
What is Dr. Katie Armbruster's medical specialty?
Dr. Katie Armbruster practices Physician Assistant in Bellingham, WA.
Where does Dr. Katie Armbruster practice?
Dr. Katie Armbruster practices at 4465 Cordata Pkwy Ste 102, Bellingham, WA 982268037. Office phone: 3607525280.
What is Dr. Katie Armbruster's NPI?
Dr. Katie Armbruster's National Provider Identifier (NPI) is 1942816186, issued by NPPES.
Does Dr. Katie Armbruster accept Medicare assignment?
Yes. Dr. Katie Armbruster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katie Armbruster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.