Lipodystrophy, Partial, AcquiredLipodystrophy, Congenital GeneralizedMetreleptin
Dr. Katherine Meiyin Tsai, MD
NPI1548371354PAC ID1153218979
- Medicare services, 2024
- 92
- Medicare patients, 2024
- 104
- Clinical trials
- 1
- Industry payments
- $174
- Affiliated sites
- 3
- Practice address
- 3445 Pacific Coast Highway, Suite 110, Torrance, CA 90505
- Practice phone
- Call (310) 325-8054
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Coast Surgery Center of South Bay
Surgery Center - Medicare-Certified · Torrance, California
Find Dr. Tsai's professional email, personal email and mobile number
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Dr. Katherine Meiyin Tsai is an anesthesiologist in Torrance, California
Dr. Tsai practices at Coast Surgery Center of South Bay in Torrance, California.
Dr. Tsai's NPI, 1548371354, was assigned on August 31, 2006. Dr. Tsai graduated from David Geffen School of Medicine at UCLA in 1993. Dr. Tsai holds California license G80446.
NPI and contact details
- NPI
- 1548371354NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153218979
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-8054
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Meiyin Tsai practices at Coast Surgery Center of South Bay in Torrance, California
Dr. Tsai's primary practice is Coast Surgery Center of South Bay, at 3445 Pacific Coast Highway, Suite 110, Torrance, CA 90505. The practice phone is (310) 325-8054.
- Coast Surgery Center of South Bay3445 Pacific Coast Highway, Suite 110, Torrance, CA 90505Phone(310) 325-8054
Source: Dmand AI Affiliation Data
Dr. Katherine Meiyin Tsai is affiliated with 3 sites of care and 3 medical groups
Dr. Tsai's primary practice is Coast Surgery Center of South Bay in Torrance, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tsai to 2 more medical groups, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.
Coast Surgery Center of South BayPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine Meiyin Tsai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsai practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Coast Surgery Center of South Bay | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine Meiyin Tsai is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Tsai's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Tsai is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Tsai is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Tsai
Counts of anesthesiologists 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. Katherine Meiyin Tsai billed Medicare for 92 services in 2024
CMS data shows 92 Medicare services from Dr. Tsai across 4 procedure codes in 2024, for 104 Medicare patients. Medicare paid $11,097 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202492
Medicare patients104
Paid by Medicare$11,097
Procedure codes4
Dr. Tsai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 512024: 6222%
- Surgery
- 2023: 282024: 307%
Dr. Tsai compared with the California median for anesthesiologists, 2024
- Dr. Tsai
- California median
- Medicare services
- 92vs 7228% above
- Medicare patients
- 104vs 14327% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Tsai's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Tsai?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsai and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Meiyin Tsai treated 104 Medicare patients in 2024, average age 72
CMS counts 104 Medicare patients who saw Dr. Tsai in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tsai's median patient age at 62, with 50% women.
Medicare patients, 2024104
Average age72
Average risk score1.17
Also on Medicaid17%
Dr. Tsai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tsai's Medicare patients by sex, 2024
- Women5755%
- Men4745%
Chronic conditions among Dr. Tsai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Diabetes31%
- Cancer25%
- Chronic kidney disease24%
- Ischemic heart disease22%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
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 62
Patient panel by sex, all payers
- Women50%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Katherine Meiyin 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)
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Dr. Katherine Meiyin Tsai has worked on 1 clinical trial
Dmand AI links Dr. Tsai to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Lipodystrophy, Partial, Acquired and Lipodystrophy, Congenital Generalized.
Conditions in Dr. Tsai's trials
- Lipodystrophy, Partial, Acquired
- Lipodystrophy, Congenital Generalized
Investigators on the most trials with Dr. Tsai
- Barbara Kay Burton, MD1 shared trial
- Dania L. Felipe-Ramirez, MD1 shared trial
- Joseph Wolfgang Mathews, MD1 shared trial
Recent clinical trials with Dr. Tsai
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Katherine Meiyin Tsai received $174 in industry payments from 2018 to 2025
CMS Open Payments shows 7 general payments to Dr. Tsai from 6 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $49.
General payments to Dr. Tsai by program year, 2018 to 2025
Companies that paid Dr. Tsai the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine Meiyin Tsai graduated from David Geffen School of Medicine at UCLA
Dr. Tsai graduated from David Geffen School of Medicine at UCLA in 1993.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Katherine Meiyin Tsai accepts plans from 6 insurance carriers
Dr. Tsai is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Tsai accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Katherine Meiyin 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Katherine Meiyin 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. Katherine Meiyin Tsai's NPI number?
Dr. Katherine Meiyin Tsai's NPI number is 1548371354. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Meiyin Tsai?
Dr. Katherine Meiyin Tsai is an anesthesiologist in Torrance, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Katherine Meiyin Tsai practice?
Dr. Tsai practices at 3445 Pacific Coast Highway, Suite 110, Torrance, CA 90505. Dr. Tsai's primary practice is Coast Surgery Center of South Bay in Torrance, California. Dmand AI also links Dr. Tsai to 2 medical groups, 1 group practice or clinic and 1 ambulatory surgery center.
What is Dr. Katherine Meiyin Tsai's office phone number?
The practice phone on file for Dr. Tsai is (310) 325-8054.
What is Dr. Katherine Meiyin Tsai's medical license number?
Dr. Tsai holds California license G80446.
What medical group is Dr. Katherine Meiyin Tsai part of?
Dr. Tsai is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Tsai to 2 more medical groups.
Does Dr. Katherine Meiyin Tsai accept Medicare?
Yes. CMS data shows Dr. Tsai billed Medicare for 92 services in 2024, and Dr. Tsai accepts Medicare assignment.
How many Medicare patients does Dr. Katherine Meiyin Tsai see?
CMS counts 104 Medicare patients who saw Dr. Tsai in 2024, with an average age of 72.
Is Dr. Katherine Meiyin Tsai board certified?
Yes. Dr. Tsai is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Katherine Meiyin Tsai bill to Medicare?
In 2024, Dr. Tsai's most billed Medicare services were surgery: brain, spine and nerves (64415), anesthesia (01630) and anesthesia (01400).
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Where did Dr. Katherine Meiyin Tsai go to medical school?
Dr. Tsai graduated from David Geffen School of Medicine at UCLA in 1993.
Has Dr. Katherine Meiyin Tsai received payments from drug or device companies?
CMS Open Payments shows $174 in general payments to Dr. Tsai from 6 companies from 2018 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Katherine Meiyin Tsai been practicing?
Dr. Tsai graduated from medical school in 1993, 33 years ago.
Does Dr. Katherine Meiyin Tsai do research?
Dr. Tsai has worked on 1 clinical trial.
What insurance does Dr. Katherine Meiyin Tsai accept?
Dr. Tsai is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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