William A. Agan
- Medicare patients, 2024
- 220
- Part D claims, 2024
- 452
- Affiliated sites
- 4
- Medical groups
- 2
- State license
- 1
- Practice address
- 18100 Ne Union Hill Rd, Redmond, WA 98052
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Redmond Ambulatory Surgery Center - HOPD
Acute Care Hospital outpatient department · Redmond, Washington
Find William Agan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William A. Agan is a physician assistant in Redmond, Washington
William Agan practices at Redmond Ambulatory Surgery Center - HOPD in Redmond, Washington.
William Agan's NPI, 1134308380, was assigned on October 24, 2007. William Agan holds Washington license TA10005277.
- NPI
- 1134308380NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648346262
- NPI enumeration date
- October 24, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William A. Agan practices at Redmond Ambulatory Surgery Center - HOPD in Redmond, Washington
William Agan's primary practice is Redmond Ambulatory Surgery Center - HOPD, at 18100 Ne Union Hill Rd, Redmond, WA 98052.
- Redmond Ambulatory Surgery Center - HOPD18100 Ne Union Hill Rd, Redmond, WA 98052
Source: Dmand AI Affiliation Data
William A. Agan is affiliated with 4 sites of care and 2 medical groups
William Agan's primary practice is Redmond Ambulatory Surgery Center - HOPD in Redmond, Washington. The medical group on file is Swedish Physicians Downtown. Dmand AI also links William Agan to 2 more group practices and clinics, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William A. Agan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Agan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Redmond Ambulatory Surgery Center - HOPD | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William A. Agan is one of 3,005 physician assistants in Washington
Physician assistant is William Agan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Agan is licensed in Washington.
Specialties and state licenses
- Physician assistant, WashingtonPrimary
Physician assistants near William Agan
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
William A. Agan treated 220 Medicare patients in 2024, average age 75
CMS counts 220 Medicare patients who saw William Agan in 2024. The largest group is 65 to 74, with 95 patients. 70% of them have high cholesterol, and 57% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Agan's median patient age at 57, with 56% women.
William Agan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Agan's Medicare patients by sex, 2024
- Women12657%
- Men9443%
Chronic conditions among William Agan's Medicare patients, 2024
- High cholesterol70%
- High blood pressure57%
- Arthritis46%
- Mood disorders22%
- Ischemic heart disease20%
- Osteoporosis20%
- Anxiety19%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
William Agan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William A. Agan wrote 452 Medicare Part D claims in 2024
In 2024, William Agan wrote 452 Medicare Part D claims for 247 patients. 95% of them were for generic drugs.
William Agan's Part D claims by kind of drug, 2024
- Generic428 claims95%
- Brand-name and other24 claims5%
Drug classes CMS tracks in William Agan's Part D claims, 2024
- Antibiotics40%183 of 452 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How William A. Agan takes part in Medicare
William Agan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for William A. Agan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William A. Agan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William A. Agan's NPI number?
William A. Agan's NPI number is 1134308380. It was assigned on October 24, 2007, and it is active in the NPI Registry.
What does William A. Agan specialize in?
William A. Agan is a physician assistant in Redmond, Washington. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William A. Agan practice?
William Agan practices at 18100 Ne Union Hill Rd, Redmond, WA 98052. William Agan's primary practice is Redmond Ambulatory Surgery Center - HOPD in Redmond, Washington. Dmand AI also links William Agan to 2 group practices and clinics, 1 ambulatory surgery center and 1 medical group.
What is William A. Agan's medical license number?
William Agan holds Washington license TA10005277.
What medical group is William A. Agan part of?
William Agan is linked to Swedish Physicians Downtown. Dmand AI links William Agan to 1 more medical group.
Does William A. Agan accept Medicare?
Yes. CMS lists William Agan as accepting Medicare assignment.
How many Medicare patients does William A. Agan see?
CMS counts 220 Medicare patients who saw William Agan in 2024, with an average age of 75.
How long has William A. Agan been practicing?
William Agan graduated from medical school in 2007, 19 years ago.
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