Dr. Deyan Z. Milligan, MD
- Medicare services, 2024
- 76
- Medicare patients, 2024
- 93
- MIPS score, 2024
- 82
- Industry payments
- $1,859
- Affiliated sites
- 2
- Practice address
- 900 Terry Ave No. 3, Seattle, WA 98104
- Practice phone
- Call (206) 382-1021
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Seattle Surgery Center
Surgery Center - Medicare-Certified · Seattle, Washington
Find Dr. Milligan's professional email, personal email and mobile number
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Dr. Deyan Z. Milligan is an anesthesiologist in Seattle, Washington
Dr. Milligan practices at Seattle Surgery Center in Seattle, Washington.
Dr. Milligan's NPI, 1871677450, was assigned on October 24, 2006. Dr. Milligan holds Washington license MD00033396.
- NPI
- 1871677450NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668501883
- NPI enumeration date
- October 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (206) 382-1021
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Deyan Z. Milligan practices at Seattle Surgery Center in Seattle, Washington
Dr. Milligan's primary practice is Seattle Surgery Center, at 900 Terry Ave No. 3, Seattle, WA 98104. The practice phone is (206) 382-1021.
- Seattle Surgery Center900 Terry Ave No. 3, Seattle, WA 98104Phone(206) 382-1021
Source: Dmand AI Affiliation Data
Dr. Deyan Z. Milligan is affiliated with 2 sites of care and 1 medical group
Dr. Milligan's primary practice is Seattle Surgery Center in Seattle, Washington. The medical group on file is U.S. Anesthesia Partners of Washington. Dmand AI also links Dr. Milligan to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Deyan Z. Milligan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Milligan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Seattle Surgery Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Deyan Z. Milligan is one of 1,332 anesthesiologists in Washington
Anesthesiology is Dr. Milligan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Milligan is licensed in Washington.
Specialties and state licenses
- Anesthesiology, WashingtonPrimary
Anesthesiologists near Dr. Milligan
Counts of anesthesiologists 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
Dr. Deyan Z. Milligan billed Medicare for 76 services in 2024
CMS data shows 76 Medicare services from Dr. Milligan across 6 procedure codes in 2024, for 93 Medicare patients. Medicare paid $15,866 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Milligan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 882024: 6526%
- Surgery
- 2023: 02024: 11
Dr. Milligan compared with the Washington median for anesthesiologists, 2024
- Dr. Milligan
- Washington median
- Medicare services
- 76vs 4185% above
- Medicare patients
- 93vs 10713% below
Medians across 1,312 anesthesiologists in Washington with Dmand AI profiles that report each measure.
Dr. Milligan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Milligan and other anesthesiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Deyan Z. Milligan treated 93 Medicare patients in 2024, average age 72
CMS counts 93 Medicare patients who saw Dr. Milligan in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have arthritis, and 66% have high cholesterol. Their average risk score is 0.56, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Milligan's median patient age at 66, with 44% women.
Dr. Milligan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Milligan's Medicare patients by sex, 2024
- Women4548%
- Men4852%
Chronic conditions among Dr. Milligan's Medicare patients, 2024
- Arthritis75%
- High cholesterol66%
- High blood pressure52%
- Cancer15%
- Ischemic heart disease14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Milligan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Deyan Z. Milligan scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Milligan for performance year 2024, reported as part of a group. Dr. Milligan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Milligan's MIPS scores, performance year 2024
- 82of 100Final score
- 80.9of 100Quality
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Deyan Z. Milligan received $1,859 in industry payments from 2021 to 2025
CMS Open Payments shows 5 general payments to Dr. Milligan from 5 drug and device companies from 2021 to 2025. Consulting fees make up the largest share, 81% of the total. FUJIFILM SonoSite, Inc. paid the most, $800.
General payments to Dr. Milligan by program year, 2021 to 2025
General payments to Dr. Milligan by kind, 2021 to 2025
- Consulting fees$1,50081%
- Food and beverage$35919%
Companies that paid Dr. Milligan the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Deyan Z. Milligan'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Dr. Deyan Z. Milligan
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What is Dr. Deyan Z. Milligan's NPI number?
Dr. Deyan Z. Milligan's NPI number is 1871677450. It was assigned on October 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Deyan Z. Milligan?
Dr. Deyan Z. Milligan is an anesthesiologist in Seattle, Washington. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Deyan Z. Milligan practice?
Dr. Milligan practices at 900 Terry Ave No. 3, Seattle, WA 98104. Dr. Milligan's primary practice is Seattle Surgery Center in Seattle, Washington. Dmand AI also links Dr. Milligan to 1 group practice or clinic.
What is Dr. Deyan Z. Milligan's office phone number?
The practice phone on file for Dr. Milligan is (206) 382-1021.
What is Dr. Deyan Z. Milligan's medical license number?
Dr. Milligan holds Washington license MD00033396.
What medical group is Dr. Deyan Z. Milligan part of?
Dr. Milligan is linked to U.S. Anesthesia Partners of Washington.
Does Dr. Deyan Z. Milligan accept Medicare?
Yes. CMS data shows Dr. Milligan billed Medicare for 76 services in 2024, and Dr. Milligan accepts Medicare assignment.
What is Dr. Deyan Z. Milligan's MIPS score?
Dr. Milligan's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Deyan Z. Milligan see?
CMS counts 93 Medicare patients who saw Dr. Milligan in 2024, with an average age of 72.
What services does Dr. Deyan Z. Milligan bill to Medicare?
In 2024, Dr. Milligan's most billed Medicare services were anesthesia (01630), anesthesia (01638) and anesthesia (01402).
Has Dr. Deyan Z. Milligan received payments from drug or device companies?
CMS Open Payments shows $1,859 in general payments to Dr. Milligan from 5 companies from 2021 to 2025. The largest total came from FUJIFILM SonoSite, Inc.
How long has Dr. Deyan Z. Milligan been practicing?
Dr. Milligan graduated from medical school in 1983, 43 years ago.
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