Andrew Chen

  • Seattle, WA
  • Ophthalmologist
NPI1356737886PAC ID8527390434
Medicare services, 2024
1,206
Medicare patients, 2024
260
Part D claims, 2024
2,641
MIPS score, 2024
94
Hospital affiliations
3
Practice address
325 9th Avenue, Seattle, WA 98104
Practice phone
Call (206) 744-9535
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harborview Medical Center

Hospital · Seattle, Washington

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Andrew Chen is an ophthalmologist in Seattle, Washington

Andrew Chen practices at Harborview Medical Center in Seattle, Washington, part of University of Washington.

Andrew Chen's NPI, 1356737886, was assigned on April 10, 2015. Andrew Chen holds Washington license MD61064566.

NPI and contact details
Medicare PAC ID
8527390434
NPI enumeration date
April 10, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(206) 744-9535
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Andrew Chen practices at Harborview Medical Center in Seattle, Washington

Andrew Chen's primary practice is Harborview Medical Center, at 325 9th Avenue, Seattle, WA 98104 in King County. The practice phone is (206) 744-9535.

Source: Dmand AI Affiliation Data

Andrew Chen is affiliated with 3 sites of care and 1 medical group

Andrew Chen's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Andrew Chen is also affiliated with UW Medical Center - Montlake. The medical group on file is UW Physicians. Dmand AI also links Andrew Chen to 1 more hospital, named with a free account.

See all 4 affiliations for Andrew Chen

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

Dmand AI tracks the EHR system at Andrew Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Andrew Chen practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Harborview Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Andrew Chen is one of 407 ophthalmologists in Washington

Ophthalmology is Andrew Chen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Andrew Chen is licensed in Washington.

Specialties and state licenses

  • Ophthalmology, WashingtonPrimaryLicense MD61064566 · taxonomy 207W00000X

Ophthalmologists near Andrew Chen

Counts of ophthalmologists 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

Andrew Chen billed Medicare for 1,206 services in 2024

CMS data shows 1,206 Medicare services from Andrew Chen across 11 procedure codes in 2024, for 260 Medicare patients. Medicare paid $50,331 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,206
Medicare patients260
Paid by Medicare$50,331
Procedure codes11

Andrew Chen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 4332024: 4223%
Office and hospital visits
2023: 4412024: 4175%
Other services
2023: 02024: 314
Imaging
2023: 232024: 3239%
Surgery
2023: 312024: 2132%

Andrew Chen compared with the Washington median for ophthalmologists, 2024

  • Andrew Chen
  • Washington median
Medicare services
1,206vs 1,40914% below
Medicare patients
260vs 50849% below
Part D claims
2,502vs 5374.7 times

Medians across 418 ophthalmologists in Washington with Dmand AI profiles that report each measure.

Andrew Chen'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.

See all procedures by Andrew Chen

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Andrew Chen treated 260 Medicare patients in 2024, average age 74

CMS counts 260 Medicare patients who saw Andrew Chen in 2024. The largest group is 65 to 74, with 112 patients. 63% of them have high cholesterol, and 59% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Andrew Chen's median patient age at 68, with 50% women.

Medicare patients, 2024260
Average age74
Average risk score1.19
Also on Medicaid22%

Andrew Chen's Medicare patients by age, 2024

Andrew Chen's Medicare patients by sex, 2024

  • Women14857%
  • Men11243%

Chronic conditions among Andrew Chen's Medicare patients, 2024

  1. High cholesterol63%
  2. High blood pressure59%
  3. Arthritis32%
  4. Diabetes27%
  5. Ischemic heart disease21%
  6. Osteoporosis20%
  7. Mood disorders19%
  8. Cancer18%

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

Andrew Chen's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Andrew Chen wrote 2,641 Medicare Part D claims in 2024

In 2024, Andrew Chen wrote 2,641 Medicare Part D claims for 348 patients. 68% of them were for generic drugs. CMS names the drug for 2,502 of them, across 18 drugs with 11 or more claims each, at $182,865 in total drug cost. In 2023, CMS named 2,279 claims across 20 drugs.

Part D claims, 20242,641
Drugs named by CMS18
Total drug cost$182,865
Part D patients348

Andrew Chen's Part D claims by kind of drug, 2024

  • Generic1,804 claims68%
  • Brand-name837 claims32%

Andrew Chen's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,2792024: 2,50210%

Drugs named by CMS: 18 in 2024, 20 in 2023.

See all prescribing by Andrew Chen

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Andrew Chen scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Andrew Chen for performance year 2024, reported through an alternative payment model (APM). Andrew Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 56 procedures of cataract surgery by Andrew Chen, more than 65% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Andrew Chen's MIPS scores, performance year 2024

  • 94of 100Final score
  • 74.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Andrew Chen ranks in Medicare procedure volume

Cataract surgery
65th percentile56 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Andrew Chen received $893 in industry payments in 2019

CMS Open Payments shows 12 general payments to Andrew Chen from 6 drug and device companies in 2019. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $513.

Companies that paid Andrew Chen the most, 2019 to 2019

Share is of all general payments to this clinician.

See all payments to Andrew Chen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Andrew Chen'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (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 Andrew Chen

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

What is Andrew Chen's NPI number?

Andrew Chen's NPI number is 1356737886. It was assigned on April 10, 2015, and it is active in the NPI Registry.

What does Andrew Chen specialize in?

Andrew Chen is an ophthalmologist in Seattle, Washington. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Andrew Chen practice?

Andrew Chen practices at 325 9th Avenue, Seattle, WA 98104. Andrew Chen's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Dmand AI also links Andrew Chen to 1 hospital.

What is Andrew Chen's office phone number?

The practice phone on file for Andrew Chen is (206) 744-9535.

What is Andrew Chen's medical license number?

Andrew Chen holds Washington license MD61064566.

Which hospitals is Andrew Chen affiliated with?

Andrew Chen practices at Harborview Medical Center in Seattle, Washington. Andrew Chen is also affiliated with UW Medical Center - Montlake. Dmand AI links Andrew Chen to 1 more hospital.

What medical group is Andrew Chen part of?

Andrew Chen is linked to UW Physicians.

Does Andrew Chen accept Medicare?

Yes. CMS data shows Andrew Chen billed Medicare for 1,206 services in 2024, and Andrew Chen accepts Medicare assignment.

What is Andrew Chen's MIPS score?

Andrew Chen's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Andrew Chen see?

CMS counts 260 Medicare patients who saw Andrew Chen in 2024, with an average age of 74.

Show 4 more questionsShow fewer questions

What services does Andrew Chen bill to Medicare?

In 2024, Andrew Chen's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and eye exam or test (92133).

What drugs does Andrew Chen prescribe most?

In 2024 Medicare Part D data, Andrew Chen's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.

Has Andrew Chen received payments from drug or device companies?

CMS Open Payments shows $893 in general payments to Andrew Chen from 6 companies from 2019 to 2019. The largest total came from Boston Scientific Corporation.

How long has Andrew Chen been practicing?

Andrew Chen graduated from medical school in 2015, 11 years ago.

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