Matthew Thomas Barnes, OD
- Industry payments
- $209
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 383 Sacramento St, San Francisco, CA 94111-3601
- Practice phone
- Call (415) 781-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Hall & Szeto Optometry
Eye care practice · San Francisco, California
Find Matthew Barnes' 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.
Matthew Thomas Barnes is an optometrist in San Francisco, California
Matthew Barnes practices at Dr. Hall & Szeto Optometry in San Francisco, California.
Matthew Barnes' NPI, 1184380925, was assigned on November 16, 2021. Matthew Barnes holds California license 35046TLG.
- NPI
- 1184380925NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517354723
- NPI enumeration date
- November 16, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 781-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew Thomas Barnes practices at Dr. Hall & Szeto Optometry in San Francisco, California
Matthew Barnes' primary practice is Dr. Hall & Szeto Optometry, at 383 Sacramento St, San Francisco, CA 94111-3601. The practice phone is (415) 781-2020.
- Dr. Hall & Szeto Optometry383 Sacramento St, San Francisco, CA 94111-3601Phone(415) 781-2020
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew Thomas Barnes is affiliated with 2 sites of care and 2 medical groups
Matthew Barnes' primary practice is Dr. Hall & Szeto Optometry in San Francisco, California. Dmand AI also links Matthew Barnes to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Matthew Thomas Barnes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Barnes practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Hall & Szeto Optometry | 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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Matthew Thomas Barnes is one of 7,206 optometrists in California
Optometrist is Matthew Barnes' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Matthew Barnes is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Matthew Barnes
Counts of optometrists 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
Matthew Thomas Barnes' patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Matthew Barnes' median patient age at 46, with 29% women.
Matthew Barnes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women29%
- Men57%
Source: Dmand AI Patient Panel Data
How Matthew Thomas Barnes takes part in Medicare
Matthew Barnes 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)
Matthew Thomas Barnes received $209 in industry payments in 2025
CMS Open Payments shows 2 general payments to Matthew Barnes from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $209.
Companies that paid Matthew Barnes the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Matthew Thomas Barnes'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Matthew Thomas Barnes
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Matthew Thomas Barnes' NPI number?
Matthew Thomas Barnes' NPI number is 1184380925. It was assigned on November 16, 2021, and it is active in the NPI Registry.
What does Matthew Thomas Barnes specialize in?
Matthew Thomas Barnes is an optometrist in San Francisco, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Matthew Thomas Barnes practice?
Matthew Barnes practices at 383 Sacramento St, San Francisco, CA 94111-3601. Matthew Barnes' primary practice is Dr. Hall & Szeto Optometry in San Francisco, California. Dmand AI also links Matthew Barnes to 2 medical groups and 1 group practice or clinic.
What is Matthew Thomas Barnes' office phone number?
The practice phone on file for Matthew Barnes is (415) 781-2020.
What is Matthew Thomas Barnes' medical license number?
Matthew Barnes holds California license 35046TLG.
Does Matthew Thomas Barnes accept Medicare?
Yes. CMS lists Matthew Barnes as accepting Medicare assignment.
Has Matthew Thomas Barnes received payments from drug or device companies?
CMS Open Payments shows $209 in general payments to Matthew Barnes from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Matthew Thomas Barnes been practicing?
Matthew Barnes' NPI was assigned in 2021.
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