Yen Sou, OD
- Part D claims, 2024
- 11
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2019
- Practice address
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Practice phone
- Call (626) 851-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Yen Sou'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.
Yen Sou is an optometrist in Baldwin Park, California
Yen Sou practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
Yen Sou's NPI, 1649823436, was assigned on July 20, 2019. Yen Sou holds California license 34732TLG.
- NPI
- 1649823436NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880046044
- NPI enumeration date
- July 20, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 851-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Yen Sou practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California
Yen Sou's primary practice is Kaiser Permanente Baldwin Park Medical Center, at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706 in Los Angeles County. The practice phone is (626) 851-1011.
- Kaiser Permanente Baldwin Park Medical Center1011 Baldwin Park Blvd, Baldwin Park, CA 91706 · Los Angeles CountyPhone(626) 851-1011
Source: Dmand AI Affiliation Data
Yen Sou is affiliated with 1 site of care and 1 medical group
Yen Sou's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Yen Sou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Yen Sou practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Baldwin Park Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Yen Sou is one of 7,206 optometrists in California
Optometrist is Yen Sou's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Yen Sou's licenses on file in 2 states: California and Oregon.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
- Oregon license
Optometrists near Yen Sou
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
Yen Sou's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Yen Sou's median patient age at 45, with 65% women.
Yen Sou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Yen Sou wrote 11 Medicare Part D claims in 2024
In 2024, Yen Sou wrote 11 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Yen Sou takes part in Medicare
Yen Sou 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Yen Sou'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 |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| 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 Yen Sou
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Yen Sou's NPI number?
Yen Sou's NPI number is 1649823436. It was assigned on July 20, 2019, and it is active in the NPI Registry.
What does Yen Sou specialize in?
Yen Sou is an optometrist in Baldwin Park, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Yen Sou practice?
Yen Sou practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. Yen Sou's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
What is Yen Sou's office phone number?
The practice phone on file for Yen Sou is (626) 851-1011.
What is Yen Sou's medical license number?
Yen Sou holds California license 34732TLG, one of the licenses on file in 2 states.
Which states has Yen Sou been licensed in?
Dmand AI has state licenses on file for Yen Sou in California and Oregon.
Which hospitals is Yen Sou affiliated with?
Yen Sou practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California.
What medical group is Yen Sou part of?
Yen Sou is linked to Southern California Permanente Medical Group.
Does Yen Sou accept Medicare?
Yes. CMS lists Yen Sou as accepting Medicare assignment.
How long has Yen Sou been practicing?
Yen Sou's NPI was assigned in 2019.
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