Doctor profile · Federal record

Dr. James Dassel, PA-C

Physician Assistant · Medical Physician Assistant · Seattle, WA

  • NPI 1265802870
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St.
Seattle, WA 981950001
(206) 520-5000
Additional location
4915 25Th Ave Ne Ste 300W
Seattle, WA 981055668
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
September 2015 — 11 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #PA60605226

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265802870. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
326
Distinct HCPCS
10
Medicare allowed
$21,591
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 88 77 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 60 44 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 56 39 $119
G0008 Administration of influenza virus vaccine 20 20 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 19 19 $76
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 17 17 $120
0124A Adm sarscv2 bvl 30mcg/.3ml a 14 14 $38
91312 Sarscov2 vac bvl 30mcg/0.3ml 14 14 $0
99215 Established patient office or other outpatient visit, 40-54 minutes 14 12 $166
90480 Admn sarscov2 vacc 1 dose 12 12 $38

In context: peer comparison

Among 177 peers in Seattle Physician Assistant, average services per provider: 71. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
303
Patients
83
Total drug cost
$19,030
Drug Type Claims Patients Total cost
Lisinopril Generic 43 17 $541
Atorvastatin Calcium Generic 29 13 $340
Lithium Carbonate Generic 24 0 $156
Levothyroxine Sodium Generic 23 0 $422
Ondansetron Odt (Ondansetron) Brand 23 23 $154
Trazodone Hcl Generic 22 0 $299
Azithromycin Generic 19 18 $84
Rosuvastatin Calcium Generic 19 0 $913
Losartan Potassium Generic 18 0 $238
Fluticasone Propionate Generic 16 0 $253

Frequently asked questions

Auto-generated from federal data
What is Dr. James Dassel's medical specialty?
Dr. James Dassel practices Physician Assistant in Seattle, WA.
Where does Dr. James Dassel practice?
Dr. James Dassel practices at 1959 Ne Pacific St., Seattle, WA 981950001. Office phone: 2065205000.
What is Dr. James Dassel's NPI?
Dr. James Dassel's National Provider Identifier (NPI) is 1265802870, issued by NPPES.
Does Dr. James Dassel accept Medicare assignment?
Yes. Dr. James Dassel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Dassel commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.