Dr. Eugene Tsai, MD
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 108
- Hospital affiliations
- 1
- Industry payments
- $20,178
- Medical group
- 1
- Practice address
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Los Angeles, California
Find Dr. Tsai'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. Eugene Tsai is an orthopedic surgeon in Los Angeles, California
Dr. Tsai practices at Southern California Permanente Medical Group in Los Angeles, California.
Dr. Tsai's NPI, 1922006378, was assigned on July 11, 2005. Dr. Tsai graduated from University of Michigan Medical School in 1991. Dr. Tsai holds California license G85849.
- NPI
- 1922006378NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729000583
- NPI enumeration date
- July 11, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eugene Tsai practices at Southern California Permanente Medical Group in Los Angeles, California
Dr. Tsai's primary practice is Southern California Permanente Medical Group, at 4760 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Southern California Permanente Medical Group4760 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eugene Tsai is affiliated with 3 sites of care and 1 medical group
Dr. Tsai's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dr. Tsai is also affiliated with Kaiser Permanente Los Angeles Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tsai to 1 more group practice or clinic, 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 Dr. Eugene Tsai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsai practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eugene Tsai is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Tsai's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Tsai is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Orthopedic surgeons near Dr. Tsai
Counts of orthopedic surgeons 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. Eugene Tsai treated 13 Medicare patients in 2024, average age 61
CMS counts 13 Medicare patients who saw Dr. Tsai in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.65, 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. Tsai's median patient age at 58, with 62% women.
Dr. Tsai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tsai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eugene Tsai wrote 108 Medicare Part D claims in 2024
In 2024, Dr. Tsai wrote 108 Medicare Part D claims for 75 patients. 86% of them were for generic drugs. CMS names the drug for 68 of them, across 2 drugs with 11 or more claims each, at $432 in total drug cost. In 2023, CMS named 63 claims across 2 drugs.
Dr. Tsai's Part D claims by kind of drug, 2024
- Generic93 claims86%
- Brand-name15 claims14%
Dr. Tsai'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.
Drug classes CMS tracks in Dr. Tsai's Part D claims, 2024
- Opioids46%50 of 108 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 632024: 688%
Drugs named by CMS: 2 in 2024, 2 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. Eugene Tsai takes part in Medicare
Dr. Tsai 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.
Dr. Eugene Tsai received $20,178 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Tsai from 11 drug and device companies from 2016 to 2025. Education make up the largest share, 83% of the total. Skeletal Dynamics LLC paid the most, $18,602.
General payments to Dr. Tsai by program year, 2016 to 2025
General payments to Dr. Tsai by kind, 2016 to 2025
- Education$16,80083%
- Travel and lodging$2,00510%
- Food and beverage$1,3727%
Companies that paid Dr. Tsai the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eugene Tsai graduated from University of Michigan Medical School
Dr. Tsai graduated from University of Michigan Medical School in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eugene Tsai'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) |
| 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 |
| 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. Eugene Tsai
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. Eugene Tsai's NPI number?
Dr. Eugene Tsai's NPI number is 1922006378. It was assigned on July 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Eugene Tsai?
Dr. Eugene Tsai is an orthopedic surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Eugene Tsai practice?
Dr. Tsai practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Tsai's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dmand AI also links Dr. Tsai to 1 group practice or clinic.
What is Dr. Eugene Tsai's office phone number?
The practice phone on file for Dr. Tsai is (323) 783-4011.
What is Dr. Eugene Tsai's medical license number?
Dr. Tsai holds California license G85849.
Which hospitals is Dr. Eugene Tsai affiliated with?
Dr. Tsai is affiliated with Kaiser Permanente Los Angeles Medical Center.
What medical group is Dr. Eugene Tsai part of?
Dr. Tsai is linked to Southern California Permanente Medical Group.
Does Dr. Eugene Tsai accept Medicare?
Yes. CMS lists Dr. Tsai as accepting Medicare assignment.
How many Medicare patients does Dr. Eugene Tsai see?
CMS counts 13 Medicare patients who saw Dr. Tsai in 2024, with an average age of 61.
Where did Dr. Eugene Tsai go to medical school?
Dr. Tsai graduated from University of Michigan Medical School in 1991.
Show 3 more questionsShow fewer questions
What drugs does Dr. Eugene Tsai prescribe most?
In 2024 Medicare Part D data, Dr. Tsai's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Meloxicam.
Has Dr. Eugene Tsai received payments from drug or device companies?
CMS Open Payments shows $20,178 in general payments to Dr. Tsai from 11 companies from 2016 to 2025. The largest total came from Skeletal Dynamics LLC.
How long has Dr. Eugene Tsai been practicing?
Dr. Tsai graduated from medical school in 1991, 35 years ago.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card