Brian Allan Gin, OD
- Medicare patients, 2024
- 94
- Industry payments
- $5,346
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 39650 Liberty St, Fremont, CA 94538
- Practice phone
- Call (650) 321-4121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Palo Alto Medial Foundation
Fremont, California
Find Brian Gin'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.
Brian Allan Gin is an optometrist in Fremont, California
Brian Gin practices at Palo Alto Medial Foundation in Fremont, California.
Brian Gin's NPI, 1902813322, was assigned on August 1, 2006. Brian Gin holds California license 13125T.
- NPI
- 1902813322NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264530567
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 321-4121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Brian Allan Gin practices at Palo Alto Medial Foundation in Fremont, California
Brian Gin's primary practice is Palo Alto Medial Foundation, at 39650 Liberty St, Fremont, CA 94538 in Alameda County. The practice phone is (650) 321-4121.
- Palo Alto Medial Foundation39650 Liberty St, Fremont, CA 94538 · Alameda CountyPhone(650) 321-4121
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Brian Allan Gin is affiliated with 2 sites of care and 1 medical group
Brian Gin's primary practice is Palo Alto Medial Foundation in Fremont, California. Dmand AI also links Brian Gin to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Brian Allan Gin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brian Gin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Palo Alto Medial Foundation | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Brian Allan Gin is one of 7,206 optometrists in California
Optometrist is Brian Gin's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Brian Gin is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Brian Gin
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
Brian Allan Gin treated 94 Medicare patients in 2024, average age 75
CMS counts 94 Medicare patients who saw Brian Gin in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 57% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Brian Gin's median patient age at 55, with 49% women.
Brian Gin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Brian Gin's Medicare patients by sex, 2024
- Women5255%
- Men4245%
Chronic conditions among Brian Gin's Medicare patients, 2024
- High cholesterol75%
- High blood pressure57%
- Arthritis35%
- Diabetes27%
- Chronic kidney disease24%
- Ischemic heart disease20%
- Mood disorders15%
- Osteoporosis15%
Share of Medicare patients with each condition. A patient can have several.
Brian Gin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Brian Allan Gin takes part in Medicare
Brian Gin 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)
Brian Allan Gin received $5,346 in industry payments in 2025
CMS Open Payments shows 15 general payments to Brian Gin from 5 drug and device companies in 2025. Consulting fees make up the largest share, 56% of the total. CooperVision Inc. paid the most, $4,375.
General payments to Brian Gin by kind, 2025 to 2025
- Consulting fees$3,00056%
- Food and beverage$1,34925%
- Travel and lodging$95018%
- Entertainment$471%
Companies that paid Brian Gin 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 Brian Allan Gin'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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) |
| 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 Brian Allan Gin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brian Allan Gin's NPI number?
Brian Allan Gin's NPI number is 1902813322. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What does Brian Allan Gin specialize in?
Brian Allan Gin is an optometrist in Fremont, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Brian Allan Gin practice?
Brian Gin practices at 39650 Liberty St, Fremont, CA 94538. Brian Gin's primary practice is Palo Alto Medial Foundation in Fremont, California. Dmand AI also links Brian Gin to 1 group practice or clinic and 1 medical group.
What is Brian Allan Gin's office phone number?
The practice phone on file for Brian Gin is (650) 321-4121.
What is Brian Allan Gin's medical license number?
Brian Gin holds California license 13125T.
Does Brian Allan Gin accept Medicare?
Yes. CMS lists Brian Gin as accepting Medicare assignment.
How many Medicare patients does Brian Allan Gin see?
CMS counts 94 Medicare patients who saw Brian Gin in 2024, with an average age of 75.
Has Brian Allan Gin received payments from drug or device companies?
CMS Open Payments shows $5,346 in general payments to Brian Gin from 5 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Brian Allan Gin been practicing?
Brian Gin graduated from medical school in 2006, 20 years ago.
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