Ryan Siu
- Hospital affiliations
- 1
- Industry payments
- $2,772
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
- Practice phone
- Call (210) 916-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ryan Siu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Ryan Siu is a general practice physician in Jbsa Fort Sam Houston, Texas
Ryan Siu practices at Brooke Army Medical Center in Fort Sam Houston, Texas, part of United States Department of War.
Ryan Siu's NPI, 1831781442, was assigned on February 4, 2021. Ryan Siu holds Virginia license 0101277519.
- NPI
- 1831781442NPI Registry (opens in a new tab)
- NPI enumeration date
- February 4, 2021
- NPI status
- Active
- Practice phone
- (210) 916-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Ryan Siu practices at Brooke Army Medical Center in Fort Sam Houston, Texas
Ryan Siu'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.
- Brooke Army Medical Center3551 Roger Brooke Dr, Fort Sam Houston, TX 78234 · Bexar CountyPhone(210) 916-4141
Source: Dmand AI Affiliation Data
Ryan Siu is affiliated with 1 site of care
Ryan Siu's primary practice is Brooke Army Medical Center in Fort Sam Houston, Texas, part of United States Department of War.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ryan Siu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Siu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brooke Army Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across United States Department of War and 6.2K+ hospitals, with verified contacts in the same login.
Ryan Siu is one of 800 general practice physicians in Texas
General practice is Ryan Siu's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Ryan Siu is licensed in Virginia.
Specialties and state licenses
- General practice, VirginiaPrimary
General practice physicians near Ryan Siu
Counts of general practice 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
Ryan Siu's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Ryan Siu's median patient age at 43, with 67% women.
Ryan Siu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Ryan Siu received $2,772 in industry payments from 2023 to 2025
CMS Open Payments shows 48 general payments to Ryan Siu from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 98% of the total. Stryker Corporation paid the most, $2,557.
General payments to Ryan Siu by program year, 2023 to 2025
General payments to Ryan Siu by kind, 2023 to 2025
- Food and beverage$2,71698%
- Education$562%
Companies that paid Ryan Siu the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Ryan Siu'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Ryan Siu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ryan Siu's NPI number?
Ryan Siu's NPI number is 1831781442. It was assigned on February 4, 2021, and it is active in the NPI Registry.
What does Ryan Siu specialize in?
Ryan Siu is a general practice physician in Jbsa Fort Sam Houston, Texas. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Ryan Siu practice?
Ryan Siu practices at 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234. Ryan Siu's primary practice is Brooke Army Medical Center in Fort Sam Houston, Texas, part of United States Department of War.
What is Ryan Siu's office phone number?
The practice phone on file for Ryan Siu is (210) 916-4141. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Ryan Siu's email address?
Dmand AI checks professional and personal email addresses for Ryan Siu through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Ryan Siu's medical license number?
Ryan Siu holds Virginia license 0101277519.
Which hospitals is Ryan Siu affiliated with?
Ryan Siu practices at Brooke Army Medical Center in Fort Sam Houston, Texas.
Has Ryan Siu received payments from drug or device companies?
CMS Open Payments shows $2,772 in general payments to Ryan Siu from 5 companies from 2023 to 2025. The largest total came from Stryker Corporation.
How long has Ryan Siu been practicing?
Ryan Siu's NPI was assigned in 2021.
What EHR does Ryan Siu's practice use?
Dmand AI tracks the EHR system at Brooke Army Medical Center. The vendor and product are available with a free Dmand AI account.
Selling to general practice practices?
See general practice physicians in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card