Lawrence Wei Tseng, OD
- Medicare patients, 2024
- 69
- Industry payments
- $164
- Affiliated sites
- 1
- Medical groups
- 3
- State license
- 1
- Practice address
- 8403 N Fallbrook Ave, West Hills, CA 91304
- Practice phone
- Call (740) 289-3508
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics
West Hills, California
Find Lawrence Tseng'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.
Lawrence Wei Tseng is an optometrist in West Hills, California
Lawrence Tseng practices at Quest Diagnostics in West Hills, California.
Lawrence Tseng's NPI, 1679071930, was assigned on January 31, 2018. Lawrence Tseng holds California license 33876TLG.
- NPI
- 1679071930NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163850686
- NPI enumeration date
- January 31, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (740) 289-3508
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Lawrence Wei Tseng practices at Quest Diagnostics in West Hills, California
Lawrence Tseng's primary practice is Quest Diagnostics, at 8403 N Fallbrook Ave, West Hills, CA 91304 in Los Angeles County. The practice phone is (740) 289-3508.
- Quest Diagnostics8403 N Fallbrook Ave, West Hills, CA 91304 · Los Angeles CountyPhone(740) 289-3508
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Lawrence Wei Tseng is affiliated with 2 sites of care and 3 medical groups
Lawrence Tseng's primary practice is Quest Diagnostics in West Hills, California. Dmand AI also links Lawrence Tseng to 3 medical groups and 1 group practice or clinic, 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 Lawrence Wei Tseng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lawrence Tseng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Lawrence Wei Tseng is one of 7,206 optometrists in California
Optometrist is Lawrence Tseng's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Lawrence Tseng is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Lawrence Tseng
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
Lawrence Wei Tseng treated 69 Medicare patients in 2024, average age 74
CMS counts 69 Medicare patients who saw Lawrence Tseng in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 81% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Lawrence Tseng's median patient age at 71, with 52% women.
Lawrence Tseng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Lawrence Tseng's Medicare patients by sex, 2024
- Women4362%
- Men2638%
Chronic conditions among Lawrence Tseng's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis41%
- Diabetes33%
- Osteoporosis25%
- Chronic kidney disease23%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Lawrence Tseng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Lawrence Wei Tseng takes part in Medicare
Lawrence Tseng 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)
Lawrence Wei Tseng received $164 in industry payments in 2025
CMS Open Payments shows 2 general payments to Lawrence Tseng from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $125.
Companies that paid Lawrence Tseng 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 Lawrence Wei Tseng'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 Lawrence Wei Tseng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lawrence Wei Tseng's NPI number?
Lawrence Wei Tseng's NPI number is 1679071930. It was assigned on January 31, 2018, and it is active in the NPI Registry.
What does Lawrence Wei Tseng specialize in?
Lawrence Wei Tseng is an optometrist in West Hills, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Lawrence Wei Tseng practice?
Lawrence Tseng practices at 8403 N Fallbrook Ave, West Hills, CA 91304. Lawrence Tseng's primary practice is Quest Diagnostics in West Hills, California. Dmand AI also links Lawrence Tseng to 3 medical groups and 1 group practice or clinic.
What is Lawrence Wei Tseng's office phone number?
The practice phone on file for Lawrence Tseng is (740) 289-3508.
What is Lawrence Wei Tseng's medical license number?
Lawrence Tseng holds California license 33876TLG.
Does Lawrence Wei Tseng accept Medicare?
Yes. CMS lists Lawrence Tseng as accepting Medicare assignment.
How many Medicare patients does Lawrence Wei Tseng see?
CMS counts 69 Medicare patients who saw Lawrence Tseng in 2024, with an average age of 74.
Has Lawrence Wei Tseng received payments from drug or device companies?
CMS Open Payments shows $164 in general payments to Lawrence Tseng from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Lawrence Wei Tseng been practicing?
Lawrence Tseng graduated from medical school in 2017, 9 years ago.
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