BrazilDry Eye SyndromesMeibomian Gland Dysfunction
Dr. Hongan Chen, MD
NPI1902435274PAC ID0941623466
- Medicare services, 2024
- 96
- Medicare patients, 2024
- 74
- Part D claims, 2024
- 118
- Publications
- 9
- Hospital affiliations
- 2
- Practice address
- 12605 E 16th Ave, Aurora, CO 80045
- Practice phone
- Call (720) 848-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Hongan Chen is a retina specialist (ophthalmology) physician in Aurora, Colorado
Dr. Chen practices at UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth.
Dr. Chen's NPI, 1902435274, was assigned on April 7, 2020. Dr. Chen graduated from Baylor College of Medicine in 2020. Dr. Chen holds Colorado license DR.0073045.
NPI and contact details
- NPI
- 1902435274NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941623466
- NPI enumeration date
- April 7, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (720) 848-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hongan Chen practices at UCHealth University of Colorado Hospital in Aurora, Colorado
Dr. Chen's primary practice is UCHealth University of Colorado Hospital, at 12605 E 16th Ave, Aurora, CO 80045 in Adams County. The practice phone is (720) 848-0000.
- UCHealth University of Colorado Hospital12605 E 16th Ave, Aurora, CO 80045 · Adams CountyPhone(720) 848-0000
Source: Dmand AI Affiliation Data
Dr. Hongan Chen is affiliated with 3 sites of care and 2 medical groups
Dr. Chen's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dr. Chen is also affiliated with Denver Health Medical Center. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Chen to 1 more group practice or clinic and 1 medical group, each named with a free account.
Denver Health Medical CenterUniversity of Colorado Medicine (CU Medicine)1 group practice or clinicName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. ChenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hongan Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCHealth University of Colorado Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hongan Chen is one of 43 retina specialist (ophthalmology) physicians in Colorado
Retina specialist is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Chen is licensed in Colorado.
Specialties and state licenses
- Retina specialist (ophthalmology), ColoradoPrimary
Retina specialist (ophthalmology) physicians near Dr. Chen
Counts of retina specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.
43retina specialist (ophthalmology) physicians in Colorado15retina specialist (ophthalmology) physicians in Aurora15retina specialist (ophthalmology) physicians at UCHealth University of Colorado Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Hongan Chen billed Medicare for 96 services in 2024
CMS data shows 96 Medicare services from Dr. Chen across 3 procedure codes in 2024, for 74 Medicare patients. Medicare paid $4,424 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202496
Medicare patients74
Paid by Medicare$4,424
Procedure codes3
Dr. Chen's Medicare services by type, 2024
- Tests and treatments76
- Surgery20
Dr. Chen compared with the Colorado median for retina specialist (ophthalmology) physicians, 2024
- Dr. Chen
- Colorado median
- Medicare services
- 96vs 14,46499% below
- Medicare patients
- 74vs 69889% below
- Part D claims
- 85vs 29271% below
Medians across 45 retina specialist (ophthalmology) physicians in Colorado with Dmand AI profiles that report each measure.
Dr. 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.
Need commercial claims for Dr. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other retina specialist (ophthalmology) physicians in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hongan Chen treated 74 Medicare patients in 2024, average age 74
CMS counts 74 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 36 patients. 66% of them have high cholesterol, and 61% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 70, with 52% women.
Medicare patients, 202474
Average age74
Average risk score1.32
Also on Medicaid16%
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women4257%
- Men3243%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High cholesterol66%
- High blood pressure61%
- Arthritis42%
- Diabetes32%
- Chronic kidney disease27%
- Ischemic heart disease23%
- Atrial fibrillation18%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
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 70
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hongan Chen wrote 118 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 118 Medicare Part D claims for 59 patients. 58% of them were for generic drugs. CMS names the drug for 85 of them, across 3 drugs with 11 or more claims each, at $2,259 in total drug cost.
Part D claims, 2024118
Drugs named by CMS3
Total drug cost$2,259
Part D patients59
Dr. Chen's Part D claims by kind of drug, 2024
- Generic69 claims58%
- Brand-name49 claims42%
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.
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. Hongan Chen takes part in Medicare
Dr. Chen 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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Dr. Hongan Chen has 9 publications on record
Dmand AI links 9 papers to Dr. Chen, published from 2021 to 2024. 2024 was the busiest year, with 2. The most frequent topics are Dry Eye Syndromes, Meibomian Gland Dysfunction and Meibomian Glands. Dr. Chen's most frequent co-authors are Eric Gavin Feinstein, MD, Darren G. Gregory, MD and Marc T. Mathias, MD.
Papers9
Years published2021 to 2024
Dr. Chen's papers by year, 2021 to 2024
Topics Dr. Chen writes about most
- Dry Eye Syndromes
- Meibomian Gland Dysfunction
- Meibomian Glands
- Visual Acuity
Dr. Chen's most frequent co-authors
- Eric Gavin Feinstein, MD2 shared papers
- Darren G. Gregory, MD2 shared papers
- Marc T. Mathias, MD2 shared papers
Recent publications by Dr. Chen
J Neuroophthalmol
Isaacs SyndromeOcular Motility DisordersOculomotor Muscles
Contact LensesDry Eye SyndromesIntercellular Signaling Peptides and Proteins
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 retina specialist (ophthalmology) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Hongan Chen received $649 in industry payments from 2022 to 2025
CMS Open Payments shows 12 general payments to Dr. Chen from 7 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $167.
General payments to Dr. Chen by program year, 2022 to 2025
Companies that paid Dr. Chen the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hongan Chen graduated from Baylor College of Medicine
Dr. Chen graduated from Baylor College of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hongan 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 | 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) |
| 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) |
| 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. Hongan 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. Hongan Chen's NPI number?
Dr. Hongan Chen's NPI number is 1902435274. It was assigned on April 7, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Hongan Chen?
Dr. Hongan Chen is a retina specialist (ophthalmology) physician in Aurora, Colorado. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).
Where does Dr. Hongan Chen practice?
Dr. Chen practices at 12605 E 16th Ave, Aurora, CO 80045. Dr. Chen's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dmand AI also links Dr. Chen to 1 group practice or clinic and 1 medical group.
What is Dr. Hongan Chen's office phone number?
The practice phone on file for Dr. Chen is (720) 848-0000.
What is Dr. Hongan Chen's medical license number?
Dr. Chen holds Colorado license DR.0073045.
Which hospitals is Dr. Hongan Chen affiliated with?
Dr. Chen practices at UCHealth University of Colorado Hospital in Aurora, Colorado. Dr. Chen is also affiliated with Denver Health Medical Center.
What medical group is Dr. Hongan Chen part of?
Dr. Chen is linked to University of Colorado Medicine (CU Medicine). Dmand AI links Dr. Chen to 1 more medical group.
Does Dr. Hongan Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 96 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Hongan Chen see?
CMS counts 74 Medicare patients who saw Dr. Chen in 2024, with an average age of 74.
What services does Dr. Hongan Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were eye exam or test (92134), eye exam or test (92014) and surgery: eye (67028).
Show 6 more questionsShow fewer questions
Where did Dr. Hongan Chen go to medical school?
Dr. Chen graduated from Baylor College of Medicine in 2020.
What drugs does Dr. Hongan Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Prednisolone Acetate, Moxifloxacin and Brimonidine Tartrate.
Has Dr. Hongan Chen received payments from drug or device companies?
CMS Open Payments shows $649 in general payments to Dr. Chen from 7 companies from 2022 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Hongan Chen been practicing?
Dr. Chen graduated from medical school in 2020, 6 years ago.
Does Dr. Hongan Chen do research?
Dmand AI links 9 publications to Dr. Chen, published from 2021 to 2024.
Who does Dr. Hongan Chen publish with?
Dr. Chen's most frequent co-authors are Eric Gavin Feinstein, MD (2 shared papers), Darren G. Gregory, MD (2 shared papers) and Marc T. Mathias, MD (2 shared papers).
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