Lauren Suwen Liang-Chang, OD
- Medicare patients, 2024
- 165
- Part D claims, 2024
- 1,724
- Industry payments
- $150
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 8120 Timberlake Drive #103, Sacramento, CA 95823
- Practice phone
- Call (916) 681-2350
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center of South Sacramento
Surgery Center - Medicare-Certified · Sacramento, California
Find Lauren Liang-Chang'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.
Lauren Suwen Liang-Chang is an optometrist in Sacramento, California
Lauren Liang-Chang practices at Endoscopy Center of South Sacramento in Sacramento, California.
Lauren Liang-Chang's NPI, 1801474283, was assigned on March 29, 2021. Lauren Liang-Chang holds California license 34855.
- NPI
- 1801474283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507236700
- NPI enumeration date
- March 29, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 681-2350
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Lauren Suwen Liang-Chang practices at Endoscopy Center of South Sacramento in Sacramento, California
Lauren Liang-Chang's primary practice is Endoscopy Center of South Sacramento, at 8120 Timberlake Drive #103, Sacramento, CA 95823. The practice phone is (916) 681-2350.
- Endoscopy Center of South Sacramento8120 Timberlake Drive #103, Sacramento, CA 95823Phone(916) 681-2350
Source: Dmand AI Affiliation Data
Lauren Suwen Liang-Chang is affiliated with 2 sites of care and 1 medical group
Lauren Liang-Chang's primary practice is Endoscopy Center of South Sacramento in Sacramento, California. Dmand AI also links Lauren Liang-Chang to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Lauren Suwen Liang-Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lauren Liang-Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center of South Sacramento | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Lauren Suwen Liang-Chang is one of 7,206 optometrists in California
Optometrist is Lauren Liang-Chang's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Lauren Liang-Chang is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Lauren Liang-Chang
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
Lauren Suwen Liang-Chang treated 165 Medicare patients in 2024, average age 74
CMS counts 165 Medicare patients who saw Lauren Liang-Chang in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 65% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Lauren Liang-Chang's median patient age at 70, with 60% women.
Lauren Liang-Chang's Medicare patients by age, 2024
Lauren Liang-Chang's Medicare patients by sex, 2024
- Women10966%
- Men5634%
Chronic conditions among Lauren Liang-Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Arthritis33%
- Chronic kidney disease28%
- Ischemic heart disease19%
- Mood disorders19%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Lauren Liang-Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Lauren Suwen Liang-Chang wrote 1,724 Medicare Part D claims in 2024
In 2024, Lauren Liang-Chang wrote 1,724 Medicare Part D claims for 496 patients. 61% of them were for generic drugs.
Lauren Liang-Chang's Part D claims by kind of drug, 2024
- Generic1,047 claims61%
- Brand-name677 claims39%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Lauren Suwen Liang-Chang takes part in Medicare
Lauren Liang-Chang 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)
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Lauren Suwen Liang-Chang received $150 in industry payments in 2025
CMS Open Payments shows 3 general payments to Lauren Liang-Chang from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $132.
Companies that paid Lauren Liang-Chang 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 Lauren Suwen Liang-Chang'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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 Lauren Suwen Liang-Chang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lauren Suwen Liang-Chang's NPI number?
Lauren Suwen Liang-Chang's NPI number is 1801474283. It was assigned on March 29, 2021, and it is active in the NPI Registry.
What does Lauren Suwen Liang-Chang specialize in?
Lauren Suwen Liang-Chang is an optometrist in Sacramento, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Lauren Suwen Liang-Chang practice?
Lauren Liang-Chang practices at 8120 Timberlake Drive #103, Sacramento, CA 95823. Lauren Liang-Chang's primary practice is Endoscopy Center of South Sacramento in Sacramento, California. Dmand AI also links Lauren Liang-Chang to 1 group practice or clinic and 1 medical group.
What is Lauren Suwen Liang-Chang's office phone number?
The practice phone on file for Lauren Liang-Chang is (916) 681-2350.
What is Lauren Suwen Liang-Chang's medical license number?
Lauren Liang-Chang holds California license 34855, one of 2 state licenses on file.
Does Lauren Suwen Liang-Chang accept Medicare?
Yes. CMS lists Lauren Liang-Chang as accepting Medicare assignment.
How many Medicare patients does Lauren Suwen Liang-Chang see?
CMS counts 165 Medicare patients who saw Lauren Liang-Chang in 2024, with an average age of 74.
Has Lauren Suwen Liang-Chang received payments from drug or device companies?
CMS Open Payments shows $150 in general payments to Lauren Liang-Chang from 2 companies from 2025 to 2025. The largest total came from Glaukos Corporation.
How long has Lauren Suwen Liang-Chang been practicing?
Lauren Liang-Chang graduated from medical school in 2021, 5 years ago.
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