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Active NPI 1265802870 Individual Practitioner Male Practitioner

James Henry Dassel , PA-C

Physician Assistant • Seattle, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

James Dassel, PA-C is a certified Physician Assistant practicing in Seattle, WA. With approximately 11 years of clinical experience since completing medical education in 2015, James Dassel delivers high-quality medical care to the local community at 1959 NE PACIFIC ST..

James Dassel is affiliated with The Association Of University Physicians and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, automated urinalysis test. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1959 Ne Pacific St.

Seattle, WA 981950001

Telephone 2065205000
Associated Practice Facility / Clinic
🏢 Harborview Medical Center Facility NPI 1003928904

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Seattle, WA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
11 Yrs +0.7 yrs vs City Avg
City Avg: 10.3 Yrs
State Avg: 12.1 Yrs
Regional Practice Density
833 Specialists

Practicing in Seattle, WA (3774 Statewide)

Telehealth Adoption Rate
18.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
69.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dassel (11 Years) 11 Yrs
Seattle Specialty Average (10.3 Years) 10.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
81 73 $402.00 $121.54
36415 Insertion of needle into vein for collection of blood sample
59 49 $22.98 $8.53
99213 Established patient office or other outpatient visit, typically 15 minutes
40 40 $281.00 $86.32
81003 Automated urinalysis test
16 16 $7.38 $2.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
13 13 $355.10 $106.99

Medical Specialties & State Licenses

CMS Verified: 2025-04-17
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License WA PA60605226

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant - Medical

NUCC Taxonomy Code: 363AM0700X

State License WA PA60605226

Definition to come...

Hospital & Practice Group Affiliations

The Association Of University Physicians

620 Kirkland Way, Kirkland, WA 980336021

Phone: 4258455500

The Association Of University Physicians

32018 23rd Ave S, Federal Way, WA 980036022

Phone: 2538393030

The Association Of University Physicians

4915 25th Ave Ne 300, Seattle, WA 981055668

Phone: 2065257777

The Association Of University Physicians

1701 Columbia Rd, Seattle, WA 981950001

Phone: 2065983100

The Association Of University Physicians

728 Edmonds Way, Edmonds, WA 980205126

Phone: 4256732875

The Association Of University Physicians

1959 Ne Pacific St, Seattle, WA 981950001

Phone: 2065984333

Secondary Practice Locations

4915 25th Ave Ne Ste 300w

Seattle, WA 981055668

Phone: 2065205000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Sandhya Panch , MD

Internal Medicine - Hematology

NPI 1003043415

Doctor of Medicine (M.D.)

Hilary King , MA, RC

Counselor - Mental Health

NPI 1003068735

Master of Arts, RC

Dr. Afshin Shameli , MD, PhD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1003104357

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Timothy Menza , MD, PhD

Internal Medicine - Infectious Disease

NPI 1003105891

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Maria Corcorran , MD

Internal Medicine

NPI 1003159013

Doctor of Medicine (M.D.)

Dr. Justin Miller , PhD

Psychologist - Clinical

NPI 1003162314

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 17, 2025

Physician Assistant (License #PA60605226 in WA)

📍
Updated Practice Location June 21, 2022

Registered at 1959 NE PACIFIC ST., SEATTLE, WA 981950001 (Tel: 2065205000)

📍
Updated Business Mailing Address June 21, 2022

Registered at PO BOX 50095, SEATTLE, WA 981455095

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 21, 2022

Physician Assistant (License #PA60605226 in WA)

NPI Profile Active September 25, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location September 25, 2015

Registered at 20608 WESTERN AVENUE NE, INDIANOLA, WA 983420191 (Tel: 3605360214)

📍
Updated Business Mailing Address September 25, 2015

Registered at PO BOX 191, INDIANOLA, WA 983420191 (Tel: 3605360214)

👤
Provider Name / Credentials Updated September 25, 2015

Recorded as JAMES DASSEL, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 25, 2015

Physician Assistant (License #1129597 in WA)

🟢
Initial NPI Registration & Enumeration September 25, 2015

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1265802870
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 25, 2015
Last Update: April 17, 2025
Sole Proprietor: No

Mailing Address

Po Box 50095

Seattle, WA 981455095

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.