NPPES file of Aug 9, 2026

Catherine S. Choi, M.D.

Ophthalmology Physician · Boston, MA

Catherine S. Choi, M.D. is an ophthalmology physician with a practice address in Boston, Massachusetts, and NPI 1235428178, issued on Mar 31, 2011. Check the license (Massachusetts 263310, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235428178
Name
Catherine S. Choi
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
263310 MA
Self-reported in NPPES; status is on the state search
Practice location
800 Washington St # 450, Boston, MA 02111
Phone
(617) 636-4677
Enumerated
Mar 31, 2011
Record last updated
Jul 11, 2024
Medicare enrollment
Enrolled (PECOS I20150915002240); accepts Medicare assignment
Medical or professional school
University Of Florida College Of Medicine, 2010
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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8 nearest ophthalmology physician records → All 791 in Massachusetts → Look up another NPI →

Also registered at 800 Washington St # 450

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

  1. Aseef Ahmed, DOGlaucoma Specialist (Ophthalmology) Physician1649769233
  2. Alicia CasellaOphthalmology Physician1386347383
  3. Chandrasekharan Krishnan, M.D.Glaucoma Specialist (Ophthalmology) Physician1548225139
  4. Huan Mills, MDOphthalmology Physician1649633215
  5. Lisa Oconnell, RDOOptician1316717572
  6. A Karim Sleiman, MDOphthalmology Physician1457888604

Verify Catherine S. Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 263310    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 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.

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Bills Medicare through 3 group practices

  1. Boston University Eye Associates, Inc.Boston, MA
  2. Newton Wellesley Eye Associates PCWellesley, MA
  3. Pratt Ophthalmology Associates IncBoston, MA

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

Catherine S. Choi among 791 ophthalmology physician records in Massachusetts

Catherine S. Choi, M.D. 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 2011, is newer than 68% of them.

  • NPI issued2011 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2010 · median 2002 among the 518 with a school on file
  • Record last updated2024 · 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

  1. Alison Callahan, MDBoston, MA 021111992016059
  2. John Chen, M.D.Boston, MA 021111366627879
  3. Mitesh Kapadia, M.D.Boston, MA 021111245212364
  4. Robert Kershner, M.D.Boston, MA 021111922115500
  5. Narae Ko, MDBoston, MA 021111649532276
  6. Kamden KopaniBoston, MA 021111902034259
  7. Michelle Liang, M.D.Boston, MA 021111437483310
  8. Caroline Marten-Ellis, MDBoston, MA 021111912014309

Common questions

What is Catherine S. Choi, M.D.'s NPI number?

Catherine S. Choi, M.D.'s National Provider Identifier (NPI) is 1235428178, issued on Mar 31, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Catherine S. Choi, M.D. located?

The NPPES record lists a practice address at 800 Washington St # 450, Boston, MA, 02111. Phone: (617) 636-4677. Providers update this record themselves, so call before visiting.

How can I verify Catherine S. Choi, M.D.'s license?

NPPES lists Massachusetts license number 263310, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.