Doctor profile · Federal record

Dr. Leslie Chamberlain, PA-C

Physician Assistant · Medical Physician Assistant · Everett, WA

  • NPI 1386661080
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
3927 Rucker Ave
Everett, WA 982014833
(425) 339-5422
Additional location
1990 Hospital Dr Ste 110
Sedro Woolley, WA 982849315
(360) 856-8830
Additional location
3015 Squalicum Pkwy Ste 140
Bellingham, WA 982251906
(360) 788-8420
Show 3 more locations
Additional location
3125 Old Fairhaven Pkwy Ste 106
Bellingham, WA 982258233
(360) 788-8388
Additional location
4465 Cordata Pkwy Ste B
Bellingham, WA 982268037
(360) 752-5206
Additional location
4545 Cordata Pkwy Ste 1A
Bellingham, WA 982267264
(360) 788-8180
Mailing address
Po Box 5127
Everett, WA 982065127

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 20, 2025
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #PA10004631
Medicaid (2)
WA #8463416 · WA #1009158

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386661080. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
283
Distinct HCPCS
7
Medicare allowed
$25,579
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 111 108 $108
99213 Established patient office or other outpatient visit, 20-29 minutes 52 52 $77
81003 Automated urinalysis test 32 31 $2
99203 New patient office or other outpatient visit, 30-44 minutes 32 32 $95
99215 Established patient office or other outpatient visit, 40-54 minutes 20 20 $151
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 18 18 $50
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $141

In context: peer comparison

Among 34 peers in Everett Physician Assistant, average services per provider: 44. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
230
Patients
217
Total drug cost
$2,770
Drug Type Claims Patients Total cost
Cephalexin Generic 44 44 $293
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 28 27 $290
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 25 16 $990
Doxycycline Monohydrate Generic 21 21 $354
Azithromycin Generic 19 19 $111
Amoxicillin Generic 18 17 $102
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 18 18 $328
Gabapentin Generic 17 15 $105
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 16 $63
Prednisone Generic 13 13 $30

Frequently asked questions

Auto-generated from federal data
What is Dr. Leslie Chamberlain's medical specialty?
Dr. Leslie Chamberlain practices Physician Assistant in Everett, WA.
Where does Dr. Leslie Chamberlain practice?
Dr. Leslie Chamberlain practices at 3927 Rucker Ave, Everett, WA 982014833. Office phone: 4253395422.
What is Dr. Leslie Chamberlain's NPI?
Dr. Leslie Chamberlain's National Provider Identifier (NPI) is 1386661080, issued by NPPES.
Does Dr. Leslie Chamberlain accept Medicare assignment?
Yes. Dr. Leslie Chamberlain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Chamberlain commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.