Dr. John Ryan Brewer, DO
- Publications
- 1
- Industry payments
- $456
- State licenses
- 2
- Year NPI issued
- 2009
- Practice address
- 7400 Merton Minter St, San Antonio, TX 78229
- Practice phone
- Call (210) 292-6707
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Brewer'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.
Dr. John Ryan Brewer is an ophthalmologist in San Antonio, Texas
Dr. Brewer practices in San Antonio, Texas.
Dr. Brewer's NPI, 1720210933, was assigned on August 20, 2009. Dr. Brewer graduated from Touro University California - Vallejo in 2009. Dr. Brewer holds Texas license N7685.
- NPI
- 1720210933NPI Registry (opens in a new tab)
- NPI enumeration date
- August 20, 2009
- NPI status
- Active
- Practice phone
- (210) 292-6707
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Ryan Brewer's practice address is in San Antonio, Texas
Dr. Brewer's practice address in the NPI Registry is 7400 Merton Minter St, San Antonio, TX 78229, in Bexar County. The practice phone is (210) 292-6707.
- NPI Registry address7400 Merton Minter St, San Antonio, TX 78229 · Bexar CountyPhone(210) 292-6707
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John Ryan Brewer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brewer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Brewer's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Ryan Brewer is one of 1,311 ophthalmologists in Texas
Ophthalmology is Dr. Brewer's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Brewer is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Brewer's licenses on file in 2 states: Texas and Mississippi.
Specialties and state licenses
- Ophthalmology, TexasPrimary
- Mississippi license
Ophthalmologists near Dr. Brewer
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. John Ryan Brewer has 1 publication on record
Dmand AI links 1 paper to Dr. Brewer in 2020. Dr. Brewer's most frequent co-author is Charisma Bautista Evangelista, MD.
Dr. Brewer's most frequent co-authors
Recent publications by Dr. Brewer
See who Dr. Brewer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Brewer 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. John Ryan Brewer received $456 in industry payments from 2016 to 2025
CMS Open Payments shows 7 general payments to Dr. Brewer from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $148.
General payments to Dr. Brewer by program year, 2016 to 2025
Companies that paid Dr. Brewer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Ryan Brewer has 8 awards and honors on record
Dmand AI lists 8 awards for Dr. Brewer, most recently 40 under 40, Texas Business leaders in 2020.
Awards and honors for Dr. Brewer
- 2020
- 40 under 40, Texas Business leaders
- 2019
- UT Health, Excellence in Teaching Award
- 2011
- Top Knife Flight Surgery Recipient
- 1998
- Eagle Scout
- Undated
- Baylor Heritage Scholarship
- Dean's List
Source: Dmand AI Professional Profile Data
Dr. John Ryan Brewer graduated from Touro University California - Vallejo
Dr. Brewer graduated from Touro University California - Vallejo in 2009. Dr. Brewer is a member of american academy of cataract and refractive surgeons, AAO and AMA.
- Medical school
- Board certified in ophthalmology
- Board certified in 2016 - 2017
- Board certified in 2010 - 2025
Source: Dmand AI Professional Profile Data
Sources for Dr. John Ryan Brewer'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 |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. John Ryan Brewer
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. John Ryan Brewer's NPI number?
Dr. John Ryan Brewer's NPI number is 1720210933. It was assigned on August 20, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. John Ryan Brewer?
Dr. John Ryan Brewer is an ophthalmologist in San Antonio, Texas. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John Ryan Brewer practice?
Dr. Brewer practices at 7400 Merton Minter St, San Antonio, TX 78229.
What is Dr. John Ryan Brewer's office phone number?
The practice phone on file for Dr. Brewer is (210) 292-6707.
What is Dr. John Ryan Brewer's medical license number?
Dr. Brewer holds Texas license N7685, one of the licenses on file in 2 states.
Which states has Dr. John Ryan Brewer been licensed in?
Dmand AI has state licenses on file for Dr. Brewer in Texas and Mississippi.
Is Dr. John Ryan Brewer board certified?
Yes. Dr. Brewer is board certified in ophthalmology by the American Board of Ophthalmology.
Where did Dr. John Ryan Brewer go to medical school?
Dr. Brewer graduated from Touro University California - Vallejo in 2009.
Has Dr. John Ryan Brewer received payments from drug or device companies?
CMS Open Payments shows $456 in general payments to Dr. Brewer from 5 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. John Ryan Brewer been practicing?
Dr. Brewer graduated from medical school in 2009, 17 years ago.
Does Dr. John Ryan Brewer do research?
Dmand AI links 1 publication to Dr. Brewer.
Who does Dr. John Ryan Brewer publish with?
Dr. Brewer's most frequent co-authors are Charisma Bautista Evangelista, MD (1 shared paper).
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