Registry data as of Aug 27, 2026

Alexander Tsang, M.D.

Ophthalmology Physician · West Hartford, CT

Alexander Tsang, M.D. is an ophthalmology physician with a practice address in West Hartford, Connecticut, and NPI 1861464323, issued on Feb 7, 2006. Check the license (Connecticut 61715, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1861464323
Name
Alexander Tsang
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
61715 CT
5655 AK
01054818A IN
D85441 MD
278622-1 NY
Self-reported in NPPES; status is on the state search
Practice location
84 Timberwood RD, West Hartford, CT 06117
Phone
(907) 561-0774
Enumerated
Feb 7, 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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Verify Alexander Tsang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 61715
    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 Connecticut 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.

89% fewer Medicare Part D claims than the average ophthalmology physician in 2024

157 Medicare Part D claims for 50 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Alexander Tsang157
  2. Specialty average1,490

Most prescribed

  1. Brimonidine Tartrate35 claims
  2. Prednisolone Acetate30 claims
  3. Moxifloxacin24 claims
  4. Travoprost20 claims
  5. Latanoprost11 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: 95.2 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 score84.7
  2. Costout of 100 · 30%
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $202.70

2 payments, mostly food and beverage; the largest payer was Amgen Inc.. The 12,922 providers of this specialty with any payment received $4,937.17 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alexander Tsang$202.70
  2. Specialty average$4,937.17

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

2 hospital and facility affiliations

  1. Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
  2. Eye Clinic OF Fairbanks IncFairbanks, AK

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Ophthalmology Physician providers in Connecticut

There are 347 ophthalmology physician records in Connecticut.

Other ophthalmology physician records in Connecticut

  1. Marcio Abreu, M.D.Bridgeport, CT1366721995
  2. Bruce Altman, M.D.Danbury, CT1336147784
  3. Laura Andrews, MDWaterbury, CT1710390646
  4. Shimy ApoorvaWaterbury, CT1518499367
  5. Yehuda Assouline, M.D.Danbury, CT1578514709
  6. Duane Austin, M.D.West Hartford, CT1477654838
  7. Darron Bacal, MDMilford, CT1528161403
  8. Sarah Baroody, M.D.Newtown, CT1710921861
  9. Anthony Barri, MDGroton, CT1245348796
  10. Michael Bautista, MDWestport, CT1689038671

Common questions

What is Alexander Tsang, M.D.'s NPI number?

Alexander Tsang, M.D.'s National Provider Identifier (NPI) is 1861464323, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Tsang, M.D. located?

The NPPES record lists a practice address at 84 Timberwood RD, West Hartford, CT, 06117. Phone: (907) 561-0774. Providers update this record themselves, so call before visiting.

How can I verify Alexander Tsang, M.D.'s license?

NPPES lists Connecticut license number 61715, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexander Tsang, M.D. prescribe under Medicare Part D?

In 2024, Alexander Tsang, M.D. had 157 Medicare Part D claims for 50 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.

What is Alexander Tsang, M.D.'s Medicare quality score?

The 2023 MIPS final score is 95.2 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.