Registry data as of Aug 27, 2026

Kailenn Tsao, MD

Ophthalmology Physician · Winchester, MA

Kailenn Tsao, MD is an ophthalmology physician with a practice address in Winchester, Massachusetts, and NPI 1912961335, issued on Apr 13, 2006. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1912961335
Name
Kailenn Tsao
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
955 Main St, Winchester, MA 01890
Phone
(781) 729-7401
Enumerated
Apr 13, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 955 Main St

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

  1. Andrew Abela, DDSOral and Maxillofacial Surgery (Dentist)1154464808
  2. William Antonelli, PTPhysical Therapist1487772281
  3. Christina Bouboulis, FNP-BCFamily Nurse Practitioner1053116970
  4. Patrick Brophy, MDSurgical Oncology Physician1851351159
  5. Vincent Buscemi, PTPhysical Therapist1790803518
  6. Marilyn Capek, M.D.Dermatology Physician1992848469

Verify Kailenn Tsao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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 Massachusetts 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.

63% fewer Medicare Part D claims than the average ophthalmology physician in 2024

550 Medicare Part D claims for 136 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Kailenn Tsao550
  2. Specialty average1,490

Most prescribed

  1. Latanoprost155 claims
  2. Ketorolac Tromethamine71 claims
  3. Erythromycin67 claims
  4. Timolol Maleate43 claims
  5. Tobramycin-Dexamethasone38 claims
  6. Prednisolone Acetate25 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 Medicare quality score for 2023: 96.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score92.4
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

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

Ophthalmology Physician providers in Massachusetts

There are 732 ophthalmology physician records in Massachusetts.

Other ophthalmology physician records in Massachusetts

  1. Mark Abelson, M.D.Andover, MA1811990682
  2. Inas Aboobakar, M.D.Boston, MA1760846265
  3. Alessandro Adad Jammal, MD, PHDBoston, MA1518725480
  4. David Agahigian, M.D.Springfield, MA1205822293
  5. Kanika Agarwal, MDBoston, MA1245692433
  6. Muna Ahmad, M.D.Leominster, MA1588830145
  7. Lloyd Aiello, M.D., PH.D.Boston, MA1588622104
  8. Motasem Al-Latayfeh, M.D.Boston, MA1184855710
  9. Pierre Alfred, MDAthol, MA1912998501
  10. Iman Ali, M.D.Fall River, MA1962489773

Common questions

What is Kailenn Tsao, MD's NPI number?

Kailenn Tsao, MD's National Provider Identifier (NPI) is 1912961335, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kailenn Tsao, MD located?

The NPPES record lists a practice address at 955 Main St, Winchester, MA, 01890. Phone: (781) 729-7401. Providers update this record themselves, so call before visiting.

How can I verify Kailenn Tsao, MD's license?

Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kailenn Tsao, MD prescribe under Medicare Part D?

In 2024, Kailenn Tsao, MD had 550 Medicare Part D claims for 136 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.

What is Kailenn Tsao, MD's Medicare quality score?

The 2023 MIPS final score is 96.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.