NPPES file of Aug 9, 2026

Tony Tsai, M.D.

Retina Specialist (Ophthalmology) Physician · Sacramento, CA

Tony Tsai, M.D. is a retina specialist (ophthalmology) physician with a practice address in Sacramento, California, and NPI 1548294101, issued on Jul 10, 2006. Check the license (California A96629, 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
1548294101
Name
Tony Tsai
Credential
M.D.
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License numbers
A96629 CA
D0061183 MD
Self-reported in NPPES; status is on the state search
Practice location
3939 J St Ste 106, Sacramento, CA 95819
Phone
(916) 454-4861
Enumerated
Jul 10, 2006
Record last updated
Apr 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(916) 454-3603
Medicaid ID
00A966291 CA
Medicare enrollment
Enrolled (PECOS I20061129000476); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 1998
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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Verify Tony 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 A96629
    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

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9% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

566 Medicare Part D claims for 234 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Tony Tsai566
  2. Specialty average620

Most prescribed

  1. Prednisolone Acetate145 claims
  2. Ofloxacin104 claims
  3. Ketorolac Tromethamine57 claims
  4. Dorzolamide-Timolol45 claims
  5. Timolol Maleate43 claims
  6. Latanoprost42 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $797.86

14 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tony Tsai$797.86
  2. Specialty average$7,667.49

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. Vitreo-Retinal Medical Group, Inc.Yuba City, CA

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

Tony Tsai among 205 retina specialist (ophthalmology) physician records in California

Tony Tsai, M.D. is one of 205 retina specialist (ophthalmology) physician records with a practice address in California. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 65% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated1998 · median 2007 among the 189 with a school on file
  • Record last updated2017 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in California

There are 205 retina specialist (ophthalmology) physician records in California.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Margaret Chang, M.D.Sacramento, CA 958191477504405
  2. David Cupp, MDSacramento, CA 958191497901565
  3. Robert Equi, M.D.Sacramento, CA 958191497864664
  4. Carlos Medina Mendez, M.D.Sacramento, CA 958191811218316
  5. Arun Patel, M.D.Sacramento, CA 958191164531430
  6. Joel Pearlman, M.D., PH.DSacramento, CA 958191154430460
  7. John Reed, M.D.Sacramento, CA 958191528177706
  8. David Telander, M.D., PH.DSacramento, CA 958191528043023

Common questions

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

Tony Tsai, M.D.'s National Provider Identifier (NPI) is 1548294101, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tony Tsai, M.D. located?

The NPPES record lists a practice address at 3939 J St Ste 106, Sacramento, CA, 95819. Phone: (916) 454-4861. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number A96629, 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 Tony Tsai, M.D. prescribe under Medicare Part D?

In 2024, Tony Tsai, M.D. had 566 Medicare Part D claims for 234 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

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

The 2023 MIPS final score is 100 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.