J Allergy Clin Immunol
AsthmaBarbadosBlack or African American
Yuhjung J. Tsai
NPI1073651444PAC ID4789725490
- Part D claims, 2024
- 289
- Publications
- 6
- Hospital affiliations
- 1
- Industry payments
- $13
- Medical group
- 1
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, California
Find Yuhjung 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.
Yuhjung J. Tsai is an internist in Santa Clara, California
Yuhjung Tsai practices at Permanente Medical Group Inc in Santa Clara, California.
Yuhjung Tsai's NPI, 1073651444, was assigned on February 1, 2007. Yuhjung Tsai graduated from University Of Michigan Medical School in 2000. Yuhjung Tsai holds Maryland license AJ4147357.
NPI and contact details
- NPI
- 1073651444NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789725490
- NPI enumeration date
- February 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Yuhjung J. Tsai practices at Permanente Medical Group Inc in Santa Clara, California
Yuhjung Tsai's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Yuhjung J. Tsai is affiliated with 2 sites of care and 1 medical group
Yuhjung Tsai's primary practice is Permanente Medical Group Inc in Santa Clara, California. Yuhjung Tsai is also affiliated with San Jose Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Permanente Medical Group IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Yuhjung J. Tsai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Yuhjung Tsai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Yuhjung J. Tsai is one of 16,751 internists in California
Internal medicine is Yuhjung Tsai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Yuhjung Tsai is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Yuhjung Tsai's licenses on file in 3 states: Maryland, California and Michigan.
Specialties and state licenses
- Internal medicine, MarylandPrimary
- California license
- Michigan license
Internists near Yuhjung Tsai
Counts of internists 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
Yuhjung J. Tsai's patients have a median age of 28
Across all payers, Dmand AI patient panel data puts Yuhjung Tsai's median patient age at 28, with 53% women.
Yuhjung 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 28
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Yuhjung J. Tsai wrote 289 Medicare Part D claims in 2024
In 2024, Yuhjung Tsai wrote 289 Medicare Part D claims for 106 patients. 61% of them were for generic drugs. CMS names the drug for 249 of them, across 8 drugs with 11 or more claims each, at $49,366 in total drug cost. In 2023, CMS named 302 claims across 9 drugs.
Part D claims, 2024289
Drugs named by CMS8
Total drug cost$49,366
Part D patients106
Yuhjung Tsai's Part D claims by kind of drug, 2024
- Generic177 claims61%
- Brand-name112 claims39%
Yuhjung 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3022024: 24918%
Drugs named by CMS: 8 in 2024, 9 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 Yuhjung J. Tsai takes part in Medicare
Yuhjung 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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Yuhjung J. Tsai has 6 publications on record
Dmand AI links 6 papers to Yuhjung Tsai, published from 2006 to 2009. 2009 was the busiest year, with 2. The most frequent topics are Asthma, Genetic Predisposition to Disease and Black or African American. Yuhjung Tsai has published most often in J Allergy Clin Immunol. Yuhjung Tsai's most frequent co-authors are Esteban G. Burchard, MD, Pedro Coelho Avila, MD and Hakon Hakonarson, MD.
Papers6
Years published2006 to 2009
Yuhjung Tsai's papers by year, 2006 to 2009
Topics Yuhjung Tsai writes about most
- Asthma
- Genetic Predisposition to Disease
- Black or African American
- Black People
- Polymorphism, Single Nucleotide
- Barbados
- Colombia
- Genotype
Yuhjung Tsai's most frequent co-authors
- Esteban G. Burchard, MD2 shared papers
- Pedro Coelho Avila, MD1 shared paper
- Hakon Hakonarson, MD1 shared paper
Recent publications by Yuhjung Tsai
AsthmaBlack PeopleChromosomes, Human, Y
Am J Respir Crit Care Med
AsthmaBarbadosBlack or African American
J Allergy Clin Immunol
AsthmaBlack or African AmericanChromosomes, Human, Pair 14
Curr Opin Allergy Clin Immunol
AsthmaEnvironmentGene Expression Profiling
See who Yuhjung Tsai researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Yuhjung Tsai works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Yuhjung J. Tsai received $13 in industry payments in 2021
CMS Open Payments shows 1 general payment to Yuhjung Tsai from 1 drug or device company in 2021. Education make up the largest share, 100% of the total. Horizon Pharma plc paid the most, $13.
Companies that paid Yuhjung Tsai the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Yuhjung J. Tsai has 1 award and honors on record
Dmand AI lists 1 award for Yuhjung Tsai, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Yuhjung Tsai
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Yuhjung J. Tsai graduated from University Of Michigan Medical School
Yuhjung Tsai graduated from University Of Michigan Medical School in 2000.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Yuhjung J. Tsai accepts plans from 2 insurance carriers
Yuhjung Tsai is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Yuhjung Tsai accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Yuhjung J. 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 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Yuhjung J. 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 Yuhjung J. Tsai's NPI number?
Yuhjung J. Tsai's NPI number is 1073651444. It was assigned on February 1, 2007, and it is active in the NPI Registry.
What does Yuhjung J. Tsai specialize in?
Yuhjung J. Tsai is an internist in Santa Clara, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Yuhjung J. Tsai practice?
Yuhjung Tsai practices at 710 Lawrence Expy, Santa Clara, CA 95051. Yuhjung Tsai's primary practice is Permanente Medical Group Inc in Santa Clara, California.
What is Yuhjung J. Tsai's office phone number?
The practice phone on file for Yuhjung Tsai is (408) 851-1000.
What is Yuhjung J. Tsai's medical license number?
Yuhjung Tsai holds Maryland license AJ4147357, one of the licenses on file in 3 states.
Which states has Yuhjung J. Tsai been licensed in?
Dmand AI has state licenses on file for Yuhjung Tsai in Maryland, California (2004 to 2026) and Michigan (2002 to 2004).
Which hospitals is Yuhjung J. Tsai affiliated with?
Yuhjung Tsai is affiliated with San Jose Medical Center.
What medical group is Yuhjung J. Tsai part of?
Yuhjung Tsai is linked to The Permanente Medical Group, Inc.
Does Yuhjung J. Tsai accept Medicare?
Yes. CMS lists Yuhjung Tsai as accepting Medicare assignment.
Is Yuhjung J. Tsai board certified?
Yes. Yuhjung Tsai is board certified in allergy & immunology by the American Board of Allergy and Immunology.
Show 7 more questionsShow fewer questions
Where did Yuhjung J. Tsai go to medical school?
Yuhjung Tsai graduated from University Of Michigan Medical School in 2000.
What drugs does Yuhjung J. Tsai prescribe most?
In 2024 Medicare Part D data, Yuhjung Tsai's most prescribed drugs by claims were Breyna, Epinephrine and Fluticasone Propionate.
Has Yuhjung J. Tsai received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Yuhjung Tsai from 1 company from 2021 to 2021. The largest total came from Horizon Pharma plc.
How long has Yuhjung J. Tsai been practicing?
Yuhjung Tsai graduated from medical school in 2000, 26 years ago.
Does Yuhjung J. Tsai do research?
Dmand AI links 6 publications to Yuhjung Tsai, published from 2006 to 2009.
Who does Yuhjung J. Tsai publish with?
Yuhjung Tsai's most frequent co-authors are Esteban G. Burchard, MD (2 shared papers), Pedro Coelho Avila, MD (1 shared paper) and Hakon Hakonarson, MD (1 shared paper).
What insurance does Yuhjung J. Tsai accept?
Yuhjung Tsai is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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