MARGARET EVELYN DUFFY P.A. - C
NPI 1154366391
Physician Assistant in Seattle, WA

Active since June 19, 2006PECOS EnrolledAccepts Medicare Assignment
904 7TH AVE, SEATTLE, WA 98104(206) 860-4545(206) 860-2369 Get Directions Write a Review

NPPES record last updated: August 11, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Margaret Evelyn Duffy P.a. - C NPPES

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

MARGARET EVELYN DUFFY P.A. - C (NPI 1154366391) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA10003777) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1154366391
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARGARET EVELYN DUFFYCredential: P.A. - C
Location Address904 7TH AVESeattle, WA 98104-1132
Mailing Address1145 BroadwaySeattle, WA 98122-4201 · (206) 329-1760
Fax(206) 860-2369
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJune 19, 2006
Last NPPES UpdateAugust 11, 2022
NPPES CertifiedAugust 11, 2022
NPI 1154366391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in WA · PA10003777
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.

904 7TH AVE, Seattle, WA 98104

Other Identifiers 1

Medicaid8354243WA

Accepted 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

Margaret Evelyn Duffy P.a. - 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 ID9234234188
PECOS Enrollment IDI20070420000422
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 4

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 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.
313 services272 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
74 services40 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
47 services45 patients
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.
36 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
25 suppliers266 claims266 services$34.57 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
15 suppliers96 claims96 services$79.98 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
16 suppliers94 claims257 services$29.34 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
15 suppliers107 claims591 services$16.67 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
16 suppliers79 claims458 services$13.23 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
19 suppliers194 claims194 services$51.55 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Pulmonary Disease)
904 7TH AVE
SEATTLE, WA 98104
Psychiatry & Neurology (Neurology)
904 7TH AVE
SEATTLE, WA 98104
Internal Medicine (Cardiovascular Disease)
904 7TH AVE
SEATTLE, WA 98104
Obstetrics & Gynecology
904 7TH AVE
SEATTLE, WA 98104
Ophthalmology
904 7TH AVE
SEATTLE, WA 98104
Otolaryngology
904 7TH AVE
SEATTLE, WA 98104
Internal Medicine
904 7TH AVE
SEATTLE, WA 98104
Otolaryngology
904 7TH AVE
SEATTLE, WA 98104

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 Margaret Duffy's NPI number?

The NPI number for Margaret Duffy is 1154366391. It was assigned to this individual provider in the NPPES registry on June 19, 2006.

Where is Margaret Duffy located?

Margaret Duffy practices at 904 7th Ave, Seattle, WA 98104. The listed phone number is (206) 860-4545.

What is Margaret Duffy's specialty?

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

Is Margaret Duffy enrolled in Medicare?

Yes. Margaret Duffy 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 Margaret Duffy accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Margaret Duffy 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 Margaret Duffy was last updated on August 11, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.