Tom C. Hsu, MD
Ophthalmology Physician · Boston, MA
Tom C. Hsu, MD is an ophthalmology physician with a practice address in Boston, Massachusetts, and NPI 1285854729, issued on Apr 26, 2007. Check the license (Massachusetts 225929, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Tom C. Hsu
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 225929 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Staniford St, Boston, MA 02114
- Phone
- (617) 367-4800
- Enumerated
- Apr 26, 2007
- Record last updated
- Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 723-7028
- Medicaid IDs
- 2155371 MA
110079899A MA - Medicare enrollment
- Enrolled (PECOS I20080801000268); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Massachusetts → Look up another NPI →
Also registered at 50 Staniford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tom C. Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 225929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.4 times the Medicare Part D claims of the average ophthalmology physician in 2024
8,130 Medicare Part D claims for 1,372 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Latanoprost2,231 claims
- Timolol Maleate942 claims
- Prednisolone Acetate701 claims
- Ofloxacin620 claims
- Ketorolac Tromethamine614 claims
- Dorzolamide-Timolol495 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.
Industry payments in 2024: $77.12
1 payment: food and beverage; the largest payer was Glaukos Corporation. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Ophthalmic Consultants OF Boston IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tom C. Hsu among 791 ophthalmology physician records in Massachusetts
Tom C. Hsu, MD is one of 791 ophthalmology physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 40% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2004 · median 2002 among the 518 with a school on file
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Massachusetts
There are 791 ophthalmology physician records in Massachusetts.
All 791 in Massachusetts → Every provider in Boston → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Sandra Cremers, MDBoston, MA 021141588654040
- Thaddeus Dryja, MDBoston, MA 021141619961968
- Suzanne Freitag, MDBoston, MA 021141710974464
- Matthew Gardiner, MDBoston, MA 021141366432833
- Deeba Husain, MDBoston, MA 021141952397697
- Ula Jurkunas, MDBoston, MA 021141386634699
- Ivana Kim, M.D.Boston, MA 021141851381933
- Peter Lou, MDBoston, MA 021141316937709
Common questions
What is Tom C. Hsu, MD's NPI number?
Tom C. Hsu, MD's National Provider Identifier (NPI) is 1285854729, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tom C. Hsu, MD located?
The NPPES record lists a practice address at 50 Staniford St, Boston, MA, 02114. Phone: (617) 367-4800. Providers update this record themselves, so call before visiting.
How can I verify Tom C. Hsu, MD's license?
NPPES lists Massachusetts license number 225929, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tom C. Hsu, MD prescribe under Medicare Part D?
In 2024, Tom C. Hsu, MD had 8,130 Medicare Part D claims for 1,372 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
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.