NPPES file of Aug 9, 2026

Courtney Ondeck, M.D.

Glaucoma Specialist (Ophthalmology) Physician · Boston, MA

Courtney Ondeck, M.D. is a glaucoma specialist (ophthalmology) physician with a practice address in Boston, Massachusetts, and NPI 1609213719, issued on May 30, 2013. Check the license (Massachusetts 275339, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609213719
Name
Courtney Ondeck
Credential
M.D.
Primary taxonomy
Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
License number
275339 MA
Self-reported in NPPES; status is on the state search
Practice location
243 Charles St, Boston, MA 02114
Phone
(617) 573-3689
Enumerated
May 30, 2013
Record last updated
Oct 2, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181030001556); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2013
Telehealth
Offers telehealth (CMS)
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 glaucoma specialist (ophthalmology) physician records → All 13 in Massachusetts → Look up another NPI →

Also registered at 243 Charles St

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

  1. Bardia AbbasiNeurology Physician1629429543
  2. Dunia Abdul-Aziz, MDOtolaryngology Physician1487880985
  3. Hasan Abdulbaki, MDStudent in an Organized Health Care Education/Training Program1811790512
  4. Inas Aboobakar, M.D.Ophthalmology Physician1760846265
  5. Jihad Achkar, M.D.Otolaryngology Physician1811203763
  6. Alessandro Adad Jammal, MD, PHDOphthalmology Physician1518725480

Verify Courtney Ondeck 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 275339    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

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63% fewer Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024

1,141 Medicare Part D claims for 190 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Courtney Ondeck1,141
  2. Specialty average3,060

Most prescribed

  1. Latanoprost315 claims
  2. Dorzolamide-Timolol159 claims
  3. Brimonidine Tartrate149 claims
  4. Timolol Maleate92 claims
  5. Rhopressa51 claims
  6. Dorzolamide Hcl36 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.

Bills Medicare through one group practice

  1. Massachusetts Eye And Ear Associates, IncBoston, MA

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

Courtney Ondeck among 13 glaucoma specialist (ophthalmology) physician records in Massachusetts

Courtney Ondeck, M.D. is one of 13 glaucoma specialist (ophthalmology) physician records with a practice address in Massachusetts. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 54% of them.

  • NPI issued2013 · 54% of these records are older, 38% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated2013 · median 2008 among the 11 with a school on file
  • Record last updated2019 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Glaucoma Specialist (Ophthalmology) Physician providers in Massachusetts

There are 13 glaucoma specialist (ophthalmology) physician records in Massachusetts.

All 13 in Massachusetts → Every provider in Boston → Glaucoma Specialist (Ophthalmology) Physician nationwide →

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

  1. Michael Giovingo, M.D.Boston, MA 021141962668624
  2. Michelle Huynh, MDBoston, MA 021161003497686
  3. Aseef Ahmed, DOBoston, MA 021111649769233
  4. Deidrya Jackson, MD MPHBoston, MA 021111649658931
  5. Chandrasekharan Krishnan, M.D.Boston, MA 021111548225139
  6. Cynthia Mattox, M.D.Boston, MA 021111194780825
  7. Sarwat Salim, MDBoston, MA 021111114999471
  8. Michael Cooper, M.D.Burlington, MA 018051881786739

Common questions

What is Courtney Ondeck, M.D.'s NPI number?

Courtney Ondeck, M.D.'s National Provider Identifier (NPI) is 1609213719, issued on May 30, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Ondeck, M.D. located?

The NPPES record lists a practice address at 243 Charles St, Boston, MA, 02114. Phone: (617) 573-3689. Providers update this record themselves, so call before visiting.

How can I verify Courtney Ondeck, M.D.'s license?

NPPES lists Massachusetts license number 275339, 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 Courtney Ondeck, M.D. prescribe under Medicare Part D?

In 2024, Courtney Ondeck, M.D. had 1,141 Medicare Part D claims for 190 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. 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.

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.