Doctor profile · Federal record

Dr. Brian Gin, O.D.

Optometrist (CMS: Optometry) · Fremont, CA

  • NPI 1902813322
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
39355 California St, Suite 103
Fremont, CA 945381447
(510) 744-2010
fax (510) 744-2015

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 14, 2007
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #13125T
Medicaid
CA #GR0022890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902813322. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
2
Medicare allowed
$9,901
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 55 55 $157
92250 Photography of the retina 27 25 $46

In context: peer comparison

Among 6 peers in this city , average services per provider: 54. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$714
Transactions
16
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 8 $412.58
ABB Con-Cise Optical Group LLC 3 $131.64
CooperVision Inc. 2 $89.18
Johnson & Johnson Vision Care, Inc. 2 $51.47
Bausch & Lomb Americas Inc. 1 $29.04

By nature of payment

Food and Beverage
$714

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Gin's medical specialty?
Dr. Brian Gin practices Optometrist in Fremont, CA.
Where does Dr. Brian Gin practice?
Dr. Brian Gin practices at 39355 California St, Fremont, CA 945381447. Office phone: 5107442010.
What is Dr. Brian Gin's NPI?
Dr. Brian Gin's National Provider Identifier (NPI) is 1902813322, issued by NPPES.
Does Dr. Brian Gin accept Medicare assignment?
Yes. Dr. Brian Gin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Gin commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.