Tammy H. Tran, OD
- Hospital affiliations
- 1
- Industry payments
- $125
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 225 N Jackson Avenue, San Jose, CA 95116
- Practice phone
- Call (408) 259-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Tammy Tran'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.
Tammy H. Tran is an optometrist in San Jose, California
Tammy Tran practices at Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.
Tammy Tran's NPI, 1326117839, was assigned on November 7, 2006. Tammy Tran holds California license 11590T.
- NPI
- 1326117839NPI Registry (opens in a new tab)
- NPI enumeration date
- November 7, 2006
- NPI status
- Active
- Practice phone
- (408) 259-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Tammy H. Tran practices at Regional Medical Center in San Jose, California
Tammy Tran's primary practice is Regional Medical Center, at 225 N Jackson Avenue, San Jose, CA 95116 in Santa Clara County. The practice phone is (408) 259-5000.
- Regional Medical Center225 N Jackson Avenue, San Jose, CA 95116 · Santa Clara CountyPhone(408) 259-5000
Source: Dmand AI Affiliation Data
Tammy H. Tran is affiliated with 2 sites of care
Tammy Tran's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Tammy Tran to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tammy H. Tran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Tran practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regional Medical Center | Available with a free account |
| +1 more affiliated site | 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 County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.
Tammy H. Tran is one of 7,206 optometrists in California
Optometrist is Tammy Tran's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Tammy Tran is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Tammy Tran
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
Tammy H. Tran's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Tammy Tran's median patient age at 38, with 44% women.
Tammy Tran's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Tammy H. Tran received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tammy Tran from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $125.
Companies that paid Tammy Tran 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 Tammy H. Tran'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 Tammy H. Tran
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tammy H. Tran's NPI number?
Tammy H. Tran's NPI number is 1326117839. It was assigned on November 7, 2006, and it is active in the NPI Registry.
What does Tammy H. Tran specialize in?
Tammy H. Tran is an optometrist in San Jose, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Tammy H. Tran practice?
Tammy Tran practices at 225 N Jackson Avenue, San Jose, CA 95116. Tammy Tran's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Tammy Tran to 1 physician office.
What is Tammy H. Tran's office phone number?
The practice phone on file for Tammy Tran is (408) 259-5000.
What is Tammy H. Tran's medical license number?
Tammy Tran holds California license 11590T.
Which hospitals is Tammy H. Tran affiliated with?
Tammy Tran practices at Regional Medical Center in San Jose, California.
Has Tammy H. Tran received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Tammy Tran from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Tammy H. Tran been practicing?
Tammy Tran's NPI was assigned in 2006.
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