Int Ophthalmol Clin
EndotamponadeFluorocarbonsHospitals, County
Dr. Ariel Chen, MD
NPI1730684184PAC ID4981938297
- Medicare services, 2023
- 25
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 969
- Publications
- 18
- Industry payments
- $621
- Practice address
- 500 NE Multnomah St, Portland, OR 97232
- Practice phone
- Call (503) 813-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of the Northwest
Portland, Oregon
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Dr. Ariel Chen is an ophthalmologist in Portland, Oregon
Dr. Chen practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Dr. Chen's NPI, 1730684184, was assigned on March 28, 2018. Dr. Chen graduated from Baylor College of Medicine in 2018. Dr. Chen holds Pennsylvania license MD477769.
NPI and contact details
- NPI
- 1730684184NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981938297
- NPI enumeration date
- March 28, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 813-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ariel Chen practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Dr. Chen's primary practice is Kaiser Foundation Health Plan of the Northwest, at 500 NE Multnomah St, Portland, OR 97232 in Multnomah County. The practice phone is (503) 813-2440.
- Kaiser Foundation Health Plan of the Northwest500 NE Multnomah St, Portland, OR 97232 · Multnomah CountyPhone(503) 813-2440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ariel Chen is affiliated with 2 sites of care and 3 medical groups
Dr. Chen's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Dr. Chen to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Kaiser Foundation Health Plan of the NorthwestPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ariel Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan of the Northwest | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ariel Chen is one of 272 ophthalmologists in Oregon
Ophthalmology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chen is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. 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
Dr. Ariel Chen billed Medicare for 25 services in 2023
CMS data shows 25 Medicare services from Dr. Chen across 2 procedure codes in 2023, for 12 Medicare patients. Medicare paid $2,066 for them.
Medicare services, 202325
Medicare patients12
Paid by Medicare$2,066
Procedure codes2
Dr. Chen's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 02023: 14
- Office and hospital visits
- 2022: 202023: 1145%
Where Dr. Chen's Medicare services took place, 2023
- In an office1456%
- In a facility1144%
Dr. Chen compared with the Oregon median for ophthalmologists, 2023
- Dr. Chen
- Oregon median
- Medicare services
- 25vs 1,10098% below
- Medicare patients
- 12vs 49598% below
- Part D claims
- 852vs 56651% above
Medians across 288 ophthalmologists in Oregon with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other ophthalmologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ariel Chen treated 12 Medicare patients in 2024, average age 71
CMS counts 12 Medicare patients who saw Dr. Chen in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 3.22, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 56, with 57% women.
Medicare patients, 202412
Average age71
Average risk score3.22
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. 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 56
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ariel Chen wrote 969 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 969 Medicare Part D claims for 421 patients. 51% of them were for generic drugs. CMS names the drug for 852 of them, across 14 drugs with 11 or more claims each, at $51,635 in total drug cost. In 2023, CMS named 121 claims across 4 drugs.
Part D claims, 2024969
Drugs named by CMS14
Total drug cost$51,635
Part D patients421
Dr. Chen's Part D claims by kind of drug, 2024
- Generic490 claims51%
- Brand-name479 claims49%
Dr. 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.
Drug classes CMS tracks in Dr. Chen's Part D claims, 2024
- Antibiotics1%11 of 969 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1212024: 852604%
Drugs named by CMS: 14 in 2024, 4 in 2023.
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
How Dr. Ariel Chen takes part in Medicare
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ariel Chen has 18 publications on record
Dmand AI links 18 papers to Dr. Chen, published from 2019 to 2024. 2022 was the busiest year, with 5. The most frequent topics are Medicare, Endophthalmitis and Eye Injuries. Dr. Chen has published most often in Cornea. Dr. Chen's most frequent co-authors are Kara Marie Cavuoto, MD, Matthew F. Gardiner, MD and Pradeep Y. Ramulu, MD.
Papers18
Years published2019 to 2024
Dr. Chen's papers by year, 2019 to 2024
Topics Dr. Chen writes about most
- Medicare
- Endophthalmitis
- Eye Injuries
- Postoperative Complications
- Cataract
- Cataract Extraction
- Visual Acuity
- Vitrectomy
Dr. Chen's most frequent co-authors
- Kara Marie Cavuoto, MD4 shared papers
- Matthew F. Gardiner, MD3 shared papers
- Pradeep Y. Ramulu, MD2 shared papers
Recent publications by Dr. Chen
BMC Ophthalmol
Ectopia LentisLens SubluxationPupil Disorders
CataractCataract ExtractionEndophthalmitis
Corneal DiseasesCorneal TransplantationFee-for-Service Plans
Corneal DiseasesCorneal TransplantationEndophthalmitis
See who Dr. Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ariel Chen received $621 in industry payments from 2022 to 2024
CMS Open Payments shows 8 general payments to Dr. Chen from 6 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $419.
General payments to Dr. Chen by program year, 2022 to 2024
Companies that paid Dr. Chen the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ariel Chen graduated from Baylor College of Medicine
Dr. Chen graduated from Baylor College of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ariel Chen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Ariel 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 Dr. Ariel Chen's NPI number?
Dr. Ariel Chen's NPI number is 1730684184. It was assigned on March 28, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Ariel Chen?
Dr. Ariel Chen is an ophthalmologist in Portland, Oregon. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ariel Chen practice?
Dr. Chen practices at 500 NE Multnomah St, Portland, OR 97232. Dr. Chen's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Dr. Chen to 2 medical groups and 1 group practice or clinic.
What is Dr. Ariel Chen's office phone number?
The practice phone on file for Dr. Chen is (503) 813-2440.
What is Dr. Ariel Chen's medical license number?
Dr. Chen holds Pennsylvania license MD477769.
What medical group is Dr. Ariel Chen part of?
Dr. Chen is linked to Kaiser Permanente Northwest. Dmand AI links Dr. Chen to 2 more medical groups.
Does Dr. Ariel Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 25 services in 2023, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Ariel Chen see?
CMS counts 12 Medicare patients who saw Dr. Chen in 2024, with an average age of 71.
What services does Dr. Ariel Chen bill to Medicare?
In 2023, Dr. Chen's most billed Medicare services were eye exam or test (92012) and emergency department visit (99284).
Where did Dr. Ariel Chen go to medical school?
Dr. Chen graduated from Baylor College of Medicine in 2018.
Show 5 more questionsShow fewer questions
What drugs does Dr. Ariel Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Prednisolone Acetate, Latanoprost and Diclofenac Sodium.
Has Dr. Ariel Chen received payments from drug or device companies?
CMS Open Payments shows $621 in general payments to Dr. Chen from 6 companies from 2022 to 2024. The largest total came from Alcon Laboratories Inc.
How long has Dr. Ariel Chen been practicing?
Dr. Chen graduated from medical school in 2018, 8 years ago.
Does Dr. Ariel Chen do research?
Dmand AI links 18 publications to Dr. Chen, published from 2019 to 2024.
Who does Dr. Ariel Chen publish with?
Dr. Chen's most frequent co-authors are Kara Marie Cavuoto, MD (4 shared papers), Matthew F. Gardiner, MD (3 shared papers) and Pradeep Y. Ramulu, MD (2 shared papers).
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