Timothy Quoc Tien, DDS
- Part D claims, 2024
- 245
- Industry payments
- $130
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 3531 El Cajon Blvd #A #A, San Diego, CA 92104
- Practice phone
- Call (619) 584-8975
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Timothy Tien
Dental practice · San Diego, California
Find Timothy Tien'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.
Timothy Quoc Tien is a general practice dentistry in San Diego, California
Timothy Tien practices at Timothy Tien in San Diego, California.
Timothy Tien's NPI, 1578629283, was assigned on December 28, 2006. Timothy Tien holds California license 57926.
- NPI
- 1578629283NPI Registry (opens in a new tab)
- NPI enumeration date
- December 28, 2006
- NPI status
- Active
- Practice phone
- (619) 584-8975
- 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)
Timothy Quoc Tien practices at Timothy Tien in San Diego, California
Timothy Tien's primary practice is Timothy Tien, at 3531 El Cajon Blvd #A #A, San Diego, CA 92104. The practice phone is (619) 584-8975.
- Timothy Tien3531 El Cajon Blvd #A #A, San Diego, CA 92104Phone(619) 584-8975
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Timothy Quoc Tien is affiliated with 1 site of care and 1 medical group
Timothy Tien's primary practice is Timothy Tien in San Diego, California. Dmand AI also links Timothy Tien to 1 medical group, 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 Timothy Quoc Tien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Timothy Tien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Timothy Tien | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Timothy Quoc Tien is one of 7,627 general practice dentistrys in California
General practice is Timothy Tien's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Dmand AI has Timothy Tien's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
- Arizona license
General practice dentistrys near Timothy Tien
Counts of general practice dentistrys 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
Timothy Quoc Tien wrote 245 Medicare Part D claims in 2024
In 2024, Timothy Tien wrote 245 Medicare Part D claims for 96 patients. 99% of them were for generic drugs.
Timothy Tien's Part D claims by kind of drug, 2024
- Generic243 claims99%
- Brand-name and other2 claims1%
Drug classes CMS tracks in Timothy Tien's Part D claims, 2024
- Antibiotics52%127 of 245 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Timothy Quoc Tien received $130 in industry payments in 2025
CMS Open Payments shows 1 general payment to Timothy Tien from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Patterson Companies, Inc. paid the most, $130.
Companies that paid Timothy Tien 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 Timothy Quoc Tien'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Timothy Quoc Tien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Timothy Quoc Tien's NPI number?
Timothy Quoc Tien's NPI number is 1578629283. It was assigned on December 28, 2006, and it is active in the NPI Registry.
What does Timothy Quoc Tien specialize in?
Timothy Quoc Tien is a general practice dentistry in San Diego, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Timothy Quoc Tien practice?
Timothy Tien practices at 3531 El Cajon Blvd #A #A, San Diego, CA 92104. Timothy Tien's primary practice is Timothy Tien in San Diego, California. Dmand AI also links Timothy Tien to 1 medical group.
What is Timothy Quoc Tien's office phone number?
The practice phone on file for Timothy Tien is (619) 584-8975.
What is Timothy Quoc Tien's medical license number?
Timothy Tien holds California license 57926, one of the licenses on file in 2 states.
Which states has Timothy Quoc Tien been licensed in?
Dmand AI has state licenses on file for Timothy Tien in California and Arizona.
Has Timothy Quoc Tien received payments from drug or device companies?
CMS Open Payments shows $130 in general payments to Timothy Tien from 1 company from 2025 to 2025. The largest total came from Patterson Companies, Inc.
How long has Timothy Quoc Tien been practicing?
Timothy Tien's NPI was assigned in 2006.
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