Dr. Thai Lien Dang, DO
- Medicare services, 2020
- 15
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 124
- Industry payments
- $153
- Affiliated sites
- 3
- Practice address
- 9400 Rosecrans Avenue, Bellflower, CA 90706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
Acute Care Hospital outpatient department · Bellflower, California
Find Dr. Dang'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.
Dr. Thai Lien Dang is an ophthalmologist in Bellflower, California
Dr. Dang practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.
Dr. Dang's NPI, 1871645234, was assigned on January 17, 2007. Dr. Dang graduated from WesternU College of Osteopathic Medicine of the Pacific in 1998. Dr. Dang holds California license 20A7458.
- NPI
- 1871645234NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395647192
- NPI enumeration date
- January 17, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thai Lien Dang practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California
Dr. Dang's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.
- Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD9400 Rosecrans Avenue, Bellflower, CA 90706
Source: Dmand AI Affiliation Data
Dr. Thai Lien Dang is affiliated with 3 sites of care and 1 medical group
Dr. Dang's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Dang to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Dang's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thai Lien Dang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thai Lien Dang is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Dang's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Dang is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Dang is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists surgical retina and vitreous procedures among the conditions Dr. Dang treats.
Ophthalmologists near Dr. Dang
Counts of ophthalmologists 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
Dr. Thai Lien Dang billed Medicare for 15 services in 2020
CMS data shows 15 Medicare services from Dr. Dang across 1 procedure code in 2020, all of them office visits, for 15 Medicare patients. Medicare paid $778 for them. Every service was in an office.
Dr. Dang's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 332020: 1555%
Dr. Dang compared with the California median for ophthalmologists, 2020
- Dr. Dang
- California median
- Medicare services
- 15vs 1,07999% below
- Medicare patients
- 15vs 42196% below
- Part D claims
- 100vs 61884% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Dang's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dang and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thai Lien Dang treated 15 Medicare patients in 2024, average age 62
CMS counts 15 Medicare patients who saw Dr. Dang in 2024. The largest group is 85 and over, with 0 patients. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 3.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Dang's median patient age at 69, with 51% women.
Dr. Dang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Dang's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thai Lien Dang wrote 124 Medicare Part D claims in 2024
In 2024, Dr. Dang wrote 124 Medicare Part D claims for 40 patients. 85% of them were for generic drugs. CMS names the drug for 100 of them, across 4 drugs with 11 or more claims each, at $2,900 in total drug cost. In 2023, CMS named 109 claims across 6 drugs.
Dr. Dang's Part D claims by kind of drug, 2024
- Generic106 claims85%
- Brand-name18 claims15%
Dr. Dang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1092024: 1008%
Drugs named by CMS: 4 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Thai Lien Dang takes part in Medicare
Dr. Dang 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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Dr. Thai Lien Dang received $153 in industry payments from 2017 to 2023
CMS Open Payments shows 3 general payments to Dr. Dang from 3 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Portola Pharmaceuticals, LLC paid the most, $115.
General payments to Dr. Dang by program year, 2017 to 2023
Companies that paid Dr. Dang the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thai Lien Dang graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Dang graduated from WesternU College of Osteopathic Medicine of the Pacific in 1998.
- Medical school
- Board certified in ophthalmology
- Board certified in 2002 - 2026
Source: Dmand AI Professional Profile Data
Dr. Thai Lien Dang accepts plans from 1 insurance carrier
Dr. Dang is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Thai Lien Dang'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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 Dr. Thai Lien Dang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thai Lien Dang's NPI number?
Dr. Thai Lien Dang's NPI number is 1871645234. It was assigned on January 17, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Thai Lien Dang?
Dr. Thai Lien Dang is an ophthalmologist in Bellflower, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Thai Lien Dang practice?
Dr. Dang practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Dang's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Dang to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Thai Lien Dang's medical license number?
Dr. Dang holds California license 20A7458.
What medical group is Dr. Thai Lien Dang part of?
Dr. Dang is linked to Southern California Permanente Medical Group.
Does Dr. Thai Lien Dang accept Medicare?
Yes. CMS data shows Dr. Dang billed Medicare for 15 services in 2020, and Dr. Dang accepts Medicare assignment.
How many Medicare patients does Dr. Thai Lien Dang see?
CMS counts 15 Medicare patients who saw Dr. Dang in 2024, with an average age of 62.
Is Dr. Thai Lien Dang board certified?
Yes. Dr. Dang is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Thai Lien Dang bill to Medicare?
In 2020, Dr. Dang's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Thai Lien Dang go to medical school?
Dr. Dang graduated from WesternU College of Osteopathic Medicine of the Pacific in 1998.
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What drugs does Dr. Thai Lien Dang prescribe most?
In 2024 Medicare Part D data, Dr. Dang's most prescribed drugs by claims were Atropine Sulfate, Neomycin-Polymyxin-Dexameth and Dorzolamide-Timolol.
Has Dr. Thai Lien Dang received payments from drug or device companies?
CMS Open Payments shows $153 in general payments to Dr. Dang from 3 companies from 2017 to 2023. The largest total came from Portola Pharmaceuticals, LLC.
How long has Dr. Thai Lien Dang been practicing?
Dr. Dang graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Thai Lien Dang accept?
Dr. Dang is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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