NPPES file of Aug 9, 2026

Bernette Tsai, M.D.

Internal Medicine Physician · San Jose, CA

Bernette Tsai, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1063686277, issued on Apr 17, 2008. Check the license (California A110280, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063686277
Name
Bernette Tsai
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A110280 CA
Self-reported in NPPES; status is on the state search
Practice location
751 S Bascom Ave, San Jose, CA 95128
Phone
(408) 885-5000
Enumerated
Apr 17, 2008
Record last updated
Oct 5, 2023
Medicare enrollment
Enrolled (PECOS I20110906000331); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 751 S Bascom Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Puya Abbassi, D.O.Neurology Physician1831695428
  2. Abolghasem Abdoli, MDNeonatal-Perinatal Medicine Physician1790757441
  3. Erik Abernethy, PAPhysician Assistant1649577354
  4. Christopher Abrinko, RESIDENT PHYSICIANStudent in an Organized Health Care Education/Training Program1649017328
  5. Cherine Abu-Eid, MDAnesthesiology Physician1033173307
  6. Pallavi AcharyaClinical Social Worker1154807873

Verify Bernette Tsai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A110280
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% more Medicare Part D claims than the average internal medicine physician in 2024

5,727 Medicare Part D claims for 432 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 236 claims were for opioids.

  1. Bernette Tsai5,727
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium411 claims
  2. Amlodipine Besylate358 claims
  3. Losartan Potassium242 claims
  4. Metformin Hcl237 claims
  5. Gabapentin161 claims
  6. Omeprazole151 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score67.4
  2. Costout of 100 · 30%46.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $25.30

1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Bernette Tsai$25.30
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. County OF Santa ClaraSan Jose, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Bernette Tsai among 17,696 internal medicine physician records in California

Bernette Tsai, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2008 · median 2004 among the 11,065 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

428 internal medicine physician records list a practice address in San Jose

They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alfonso Banuelos, MDSan Jose, CA 951281295720613
  2. Kimberly Bazar, MDSan Jose, CA 951281447225206
  3. Andrea Cervenka, MDSan Jose, CA 951281609841774
  4. Stephanie Chan, MDSan Jose, CA 951281639144538
  5. Alexander Chyorny, MDSan Jose, CA 951281750358016
  6. Sarah Cody, MDSan Jose, CA 951281568425437
  7. Vijaya Dudyala, M.DSan Jose, CA 951281477522589
  8. Eamonn Dunphy, MDSan Jose, CA 951281003878182

Common questions

What is Bernette Tsai, M.D.'s NPI number?

Bernette Tsai, M.D.'s National Provider Identifier (NPI) is 1063686277, issued on Apr 17, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Bernette Tsai, M.D. located?

The NPPES record lists a practice address at 751 S Bascom Ave, San Jose, CA, 95128. Phone: (408) 885-5000. Providers update this record themselves, so call before visiting.

How can I verify Bernette Tsai, M.D.'s license?

NPPES lists California license number A110280, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Bernette Tsai, M.D. prescribe under Medicare Part D?

In 2024, Bernette Tsai, M.D. had 5,727 Medicare Part D claims for 432 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Bernette Tsai, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.