Dr. Sien Chen, MD

  • Jbsa Fort Sam Houston, TX
  • Glaucoma specialist (ophthalmology) physician
NPI1326452210
Part D claims, 2022
48
Publications
3
Hospital affiliations
1
Industry payments
$1,841
Insurance carriers
13
Practice address
3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Practice phone
Call (210) 916-4141
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Brooke Army Medical Center

Hospital · Fort Sam Houston, Texas

See all 1 affiliations

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Dr. Sien Chen is a glaucoma specialist (ophthalmology) physician in Jbsa Fort Sam Houston, Texas

Dr. Chen practices at Brooke Army Medical Center in Fort Sam Houston, Texas, part of United States Department of War.

Dr. Chen's NPI, 1326452210, was assigned on June 18, 2014. Dr. Chen graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2014. Dr. Chen's New York license number on file is 303514.

NPI and contact details
NPI enumeration date
June 18, 2014
NPI status
Active
Practice phone
(210) 916-4141
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Sien Chen practices at Brooke Army Medical Center in Fort Sam Houston, Texas

Dr. Chen's primary practice is Brooke Army Medical Center, at 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234 in Bexar County. The practice phone is (210) 916-4141.

Source: Dmand AI Affiliation Data

Dr. Sien Chen is affiliated with 1 site of care

Dr. Chen's primary practice is Brooke Army Medical Center in Fort Sam Houston, Texas, part of United States Department of War. Dr. Chen's employer is on file too: a hospital.

See Dr. Chen's affiliation in Dmand AI

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

Dmand AI tracks the EHR system at Dr. Sien 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.

EHR by site
SiteEHR vendor and product
Brooke Army Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sien Chen is one of 25 glaucoma specialist (ophthalmology) physicians in Texas

Glaucoma specialist is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207WX0009X. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chen's licenses on file in 3 states: New York, Nebraska and Texas.

Specialties and state licenses

  • Glaucoma specialist (ophthalmology), New YorkPrimaryLicense 303514 · 2020 to 2023 · taxonomy 207WX0009X
  • Ophthalmology, NebraskaLicense 28779 · 2015 to 2026 · taxonomy 207W00000X
  • Texas license2022 to 2026

Glaucoma specialist (ophthalmology) physicians near Dr. Chen

Counts of glaucoma specialist (ophthalmology) physicians 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. Sien Chen's patients have a median age of 74

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 74, with 16% women.

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 74

Patient panel by sex, all payers

  • Women16%
  • Men82%

Source: Dmand AI Patient Panel Data

Dr. Sien Chen wrote 48 Medicare Part D claims in 2022

In 2022, Dr. Chen wrote 48 Medicare Part D claims. They cover 3 drugs, with $2,698 in total drug cost. In 2021, CMS named 737 claims across 17 drugs.

Part D claims, 202248
Drugs named by CMS3
Total drug cost$2,698

Dr. Chen's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 7372022: 4893%

Drugs named by CMS: 3 in 2022, 17 in 2021.

See all prescribing by Dr. Chen

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

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Dr. Sien Chen has 3 publications on record

Dmand AI links 3 papers to Dr. Chen in 2021. 2021 was the busiest year, with 2. Dr. Chen's most frequent co-authors are Hunter H. Phillips, MD, Donovan Stephen Reed, MD and Joseph A. Santamaria, MD.

Papers3

Dr. Chen's most frequent co-authors

Recent publications by Dr. Chen

See all 3 publications and co-authors

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 glaucoma specialist (ophthalmology) physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Sien Chen received $1,841 in industry payments from 2016 to 2025

CMS Open Payments shows 20 general payments to Dr. Chen from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sight Sciences, Inc. paid the most, $676.

General payments to Dr. Chen by program year, 2016 to 2025

Companies that paid Dr. Chen the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chen

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

Dr. Sien Chen graduated from Uniformed Services University, F. Edward Hebert School of Medicine

Dr. Chen graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2014. Dr. Chen is a member of AAO.

  1. Medical schoolUniformed Services University, F. Edward Hebert School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Sien Chen accepts plans from 13 insurance carriers

Dr. Chen is in network with 13 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Aetna. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Aetna
  • Alliant Health Plans
  • Elevance
  • HCSC
  • Baylor Scott and White
  • Blue Cross and Blue Shield of Kansas City
  • +5 more carriersWith a free account

Plan types Dr. Chen accepts, by number of carriers

  1. HMO9
  2. PPO7
  3. POS3
  4. EPO2
  5. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Dr. Sien 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 patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Dr. Sien 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. Sien Chen's NPI number?

Dr. Sien Chen's NPI number is 1326452210. It was assigned on June 18, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Sien Chen?

Dr. Sien Chen is a glaucoma specialist (ophthalmology) physician in Jbsa Fort Sam Houston, Texas. The primary specialty in the NPI Registry is Glaucoma Specialist (Ophthalmology) Physician (taxonomy code 207WX0009X).

Where does Dr. Sien Chen practice?

Dr. Chen practices at 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234. Dr. Chen's primary practice is Brooke Army Medical Center in Fort Sam Houston, Texas, part of United States Department of War.

What is Dr. Sien Chen's office phone number?

The practice phone on file for Dr. Chen is (210) 916-4141.

What is Dr. Sien Chen's medical license number?

Dr. Chen's New York license number on file is 303514, one of the licenses on file in 3 states.

Which states has Dr. Sien Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in New York (2020 to 2023), Nebraska (2015 to 2026) and Texas (2022 to 2026).

Which hospitals is Dr. Sien Chen affiliated with?

Dr. Chen practices at Brooke Army Medical Center in Fort Sam Houston, Texas.

Is Dr. Sien Chen board certified?

Yes. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology.

Where did Dr. Sien Chen go to medical school?

Dr. Chen graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2014.

What drugs does Dr. Sien Chen prescribe most?

In 2022 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.

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Has Dr. Sien Chen received payments from drug or device companies?

CMS Open Payments shows $1,841 in general payments to Dr. Chen from 7 companies from 2016 to 2025. The largest total came from Sight Sciences, Inc.

How long has Dr. Sien Chen been practicing?

Dr. Chen graduated from medical school in 2014, 12 years ago.

Does Dr. Sien Chen do research?

Dmand AI links 3 publications to Dr. Chen.

Who does Dr. Sien Chen publish with?

Dr. Chen's most frequent co-authors are Hunter H. Phillips, MD (2 shared papers), Donovan Stephen Reed, MD (2 shared papers) and Joseph A. Santamaria, MD (2 shared papers).

What insurance does Dr. Sien Chen accept?

Dr. Chen is in network with 13 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Aetna. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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