Margaret Evelyn Duffy, PA-C

  • Seattle, WA
  • Physician assistant
NPI1154366391PAC ID9234234188
Medicare patients, 2024
362
Affiliated sites
2
Medical group
1
State license
1
Year NPI issued
2006
Practice address
1145 Broadway, Seattle, WA 98122
Practice phone
Call (206) 329-1760
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Polyclinic Surgery Center

Surgery Center - Medicare-Certified · Seattle, Washington

See all 3 affiliations

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Margaret Evelyn Duffy is a physician assistant in Seattle, Washington

Margaret Duffy practices at Polyclinic Surgery Center in Seattle, Washington.

Margaret Duffy's NPI, 1154366391, was assigned on June 19, 2006. Margaret Duffy holds Washington license PA10003777.

NPI and contact details
Medicare PAC ID
9234234188
NPI enumeration date
June 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(206) 329-1760
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Margaret Evelyn Duffy practices at Polyclinic Surgery Center in Seattle, Washington

Margaret Duffy's primary practice is Polyclinic Surgery Center, at 1145 Broadway, Seattle, WA 98122. The practice phone is (206) 329-1760.

  • Polyclinic Surgery Center
    1145 Broadway, Seattle, WA 98122Phone(206) 329-1760

Source: Dmand AI Affiliation Data

Margaret Evelyn Duffy is affiliated with 2 sites of care and 1 medical group

Margaret Duffy's primary practice is Polyclinic Surgery Center in Seattle, Washington. The medical group on file is The Polyclinic. Dmand AI also links Margaret Duffy to 1 more group practice or clinic, named with a free account. Margaret Duffy's employer is on file too: a surgery center (asc).

See all 3 affiliations for Margaret Duffy

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Margaret Evelyn Duffy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Margaret Duffy practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Polyclinic Surgery CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Margaret Evelyn Duffy is one of 3,005 physician assistants in Washington

Physician assistant is Margaret Duffy's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Margaret Duffy is licensed in Washington.

Specialties and state licenses

  • Physician assistant, WashingtonPrimaryLicense PA10003777 · taxonomy 363A00000X

Physician assistants near Margaret Duffy

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Margaret Evelyn Duffy treated 362 Medicare patients in 2024, average age 74

CMS counts 362 Medicare patients who saw Margaret Duffy in 2024. The largest group is 65 to 74, with 215 patients. 71% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Margaret Duffy's median patient age at 61, with 39% women.

Medicare patients, 2024362
Average age74
Average risk score0.95

Margaret Duffy's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Margaret Duffy's Medicare patients by sex, 2024

  • Women19153%
  • Men17147%

Chronic conditions among Margaret Duffy's Medicare patients, 2024

  1. High cholesterol71%
  2. High blood pressure61%
  3. Arthritis45%
  4. Mood disorders28%
  5. Ischemic heart disease27%
  6. Depression26%
  7. Anxiety21%
  8. Atrial fibrillation20%

Share of Medicare patients with each condition. A patient can have several.

Margaret Duffy's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women39%
  • Men60%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Margaret Evelyn Duffy offers telehealth to Medicare patients

Margaret Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Margaret Duffy as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Margaret Evelyn Duffy's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Margaret Evelyn Duffy

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Margaret Evelyn Duffy's NPI number?

Margaret Evelyn Duffy's NPI number is 1154366391. It was assigned on June 19, 2006, and it is active in the NPI Registry.

What does Margaret Evelyn Duffy specialize in?

Margaret Evelyn Duffy is a physician assistant in Seattle, Washington. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Margaret Evelyn Duffy practice?

Margaret Duffy practices at 1145 Broadway, Seattle, WA 98122. Margaret Duffy's primary practice is Polyclinic Surgery Center in Seattle, Washington. Dmand AI also links Margaret Duffy to 1 group practice or clinic.

What is Margaret Evelyn Duffy's office phone number?

The practice phone on file for Margaret Duffy is (206) 329-1760.

What is Margaret Evelyn Duffy's medical license number?

Margaret Duffy holds Washington license PA10003777.

What medical group is Margaret Evelyn Duffy part of?

Margaret Duffy is linked to The Polyclinic.

Does Margaret Evelyn Duffy accept Medicare?

Yes. CMS lists Margaret Duffy as accepting Medicare assignment.

Does Margaret Evelyn Duffy offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Margaret Duffy as offering telehealth services.

How many Medicare patients does Margaret Evelyn Duffy see?

CMS counts 362 Medicare patients who saw Margaret Duffy in 2024, with an average age of 74.

How long has Margaret Evelyn Duffy been practicing?

Margaret Duffy graduated from medical school in 1998, 28 years ago.

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