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JAMES HENRY DASSEL PA-C
NPI 1265802870
Physician Assistant in Seattle, WA

Active since September 25, 2015PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
1959 NE PACIFIC ST., SEATTLE, WA 98195(206) 520-5000 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About James Henry Dassel Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAMES HENRY DASSEL PA-C (NPI 1265802870) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA60605226) and active in the NPI registry since September 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1265802870
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameJAMES HENRY DASSELCredential: PA-C
Location Address1959 NE PACIFIC ST.Seattle, WA 98195-0001
Mailing AddressPo Box 50095Seattle, WA 98145-5095
Phone(206) 520-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateSeptember 25, 2015
Last NPPES UpdateApril 17, 2025
NPPES CertifiedApril 17, 2025
✔ NPI 1265802870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in WA · PA60605226
Definition
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.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License PA60605226 (WA)
1959 NE PACIFIC ST., Seattle, WA 98195
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

James Henry Dassel Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557665171
PECOS Enrollment IDI20160202001401
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
81 services73 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
59 services49 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
40 services40 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
16 services16 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98195 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARIE-PASCALE TREMBLAY-CHAMPAGNE M.D., CM., FRCSC
Plastic Surgery
1959 NE PACIFIC ST., DEPARTMENT OF SURGERY - DIVISION OF PLASTIC SURGERY
SEATTLE, WA 98195
King County (206) 543-5516
JENNIFER LAURA BRANHAM ARNP
Nurse Practitioner
1959 NE PACIFIC ST.
SEATTLE, WA 98195
King County (206) 520-5000
KATHRYN LAUREL ANDERSON ARNP
Nurse Practitioner
1959 NE PACIFIC ST.
SEATTLE, WA 98195
King County (206) 520-5000
DR. SANDRA JANE HADJINIAN MD
Urology
1959 NE PACIFIC ST.
SEATTLE, WA 98195
King County (206) 520-5000
TARANG PRAKASH JETHWA MD
Family Medicine
1959 NE PACIFIC ST.
SEATTLE, WA 98195
King County (206) 520-5000
CATHERINE L. BEATTIE MS
Genetic Counselor, MS
1959 NE PACIFIC ST., BOX 356159
SEATTLE, WA 98195
King County (206) 598-8130
CAITLIN CLAIRE GILCHRIST ARNP
Nurse Practitioner (Women's Health)
1959 NE PACIFIC ST.
SEATTLE, WA 98195
King County (206) 520-5000
DR. MAUREEN DANIELLE SCOTT MD
Student in an Organized Health Care Education/Training Program
1959 NE PACIFIC ST., BOX 356460
SEATTLE, WA 98195
King County (206) 598-5500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Dassel's NPI number?

The NPI number for James Dassel is 1265802870. It was assigned to this individual provider in the NPPES registry on September 25, 2015.

Where is James Dassel located?

James Dassel practices at 1959 NE Pacific St., Seattle, WA 98195. The listed phone number is (206) 520-5000.

What is James Dassel's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is James Dassel enrolled in Medicare?

Yes. James Dassel is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does James Dassel accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list James Dassel as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Dassel was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.