NPPES file of Aug 9, 2026

Katharine S. Dempsey, M.D.

Ophthalmic Plastic and Reconstructive Surgery Physician · Great Neck, NY

Katharine S. Dempsey, M.D. is an ophthalmic plastic and reconstructive surgery physician with a practice address in Great Neck, New York, and NPI 1831543834, issued on Apr 16, 2016. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831543834
Name
Katharine S. Dempsey
Credential
M.D.
Primary taxonomy
Ophthalmic Plastic and Reconstructive Surgery Physician 207WX0200X
License number
61161 TN
Self-reported in NPPES; status is on the state search
Practice location
600 Northern Blvd Ste 214, Great Neck, NY 11021
Phone
(516) 470-2020
Enumerated
Apr 16, 2016
Record last updated
Jul 13, 2022
Medicare enrollment
Enrolled (PECOS I20220908001729); accepts Medicare assignment
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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Also registered at 600 Northern Blvd Ste 214

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

  1. Daniel Barmas-Alamdari, MDOphthalmology Physician1023693413
  2. Lauren Dietz, MDStudent in an Organized Health Care Education/Training Program1083553648
  3. Timothy Foster, MDStudent in an Organized Health Care Education/Training Program1235070061
  4. Matthew Gorski, M.D.Ophthalmology Physician1013236322
  5. Laura HallerStudent in an Organized Health Care Education/Training Program1336081884
  6. Rebecca Kellner, MDStudent in an Organized Health Care Education/Training Program1508616483

Verify Katharine S. Dempsey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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 New York license search

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68% fewer Medicare Part D claims than the average ophthalmic plastic and reconstructive surgery physician in 2024

176 Medicare Part D claims for 104 beneficiaries, against an average of 544 among the 409 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.

  1. Katharine Dempsey176
  2. Specialty average544

Most prescribed

  1. Erythromycin53 claims
  2. Neomycin-Polymyxin-Dexameth47 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 MIPS final score for 2023 (Medicare payment program): 91.3 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 score74.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%91.7
  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).

Bills Medicare through one group practice

  1. North Shore-Lij Medical PCNew Hyde Park, NY

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

Ophthalmic Plastic and Reconstructive Surgery Physician providers in New York

There are 29 ophthalmic plastic and reconstructive surgery physician records in New York.

Other ophthalmic plastic and reconstructive surgery physician records in New York

  1. Joseph Armenia, MDWebster, NY1770840720
  2. Thomas Bersani, MDNorth Syracuse, NY1083614226
  3. Bryant Carruth, MDNorth Syracuse, NY1760645790
  4. James Chelnis, M.D.New York, NY1952612913
  5. Rachel Ellis, M.D.Hicksville, NY1295873826
  6. Anna Ginter, MDNew York, NY1710321740
  7. Kyle Godfrey, M.D.New York, NY1104268994
  8. Celestine Gregerson, MDNew York, NY1679101943
  9. Kevin Heinze, MDNew York, NY1427552181
  10. Robert Hill, M.D.Syracuse, NY1891951455

Common questions

What is Katharine S. Dempsey, M.D.'s NPI number?

Katharine S. Dempsey, M.D.'s National Provider Identifier (NPI) is 1831543834, issued on Apr 16, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Katharine S. Dempsey, M.D. located?

The NPPES record lists a practice address at 600 Northern Blvd Ste 214, Great Neck, NY, 11021. Phone: (516) 470-2020. Providers update this record themselves, so call before visiting.

How can I verify Katharine S. Dempsey, M.D.'s license?

Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katharine S. Dempsey, M.D. prescribe under Medicare Part D?

In 2024, Katharine S. Dempsey, M.D. had 176 Medicare Part D claims for 104 beneficiaries; the average among ophthalmic plastic and reconstructive surgery physician prescribers was 544. Part D covers Medicare prescriptions only.

What is Katharine S. Dempsey, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.