NPPES file of Aug 9, 2026

James Dennis Sullivan, MD

Specialist · Great Neck, NY

James Dennis Sullivan, MD is a specialist with a practice address in Great Neck, New York, and NPI 1871563551, issued on Jan 25, 2006. Check the license (New York 176543, as entered in NPPES) with the New York board that licenses this profession; 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
1871563551
Name
James Dennis Sullivan
Credential
MD
Primary taxonomy
Specialist 174400000X
License number
176543 NY
Self-reported in NPPES; status is on the state search
Practice location
600 Northern Blvd, Great Neck, NY 11021
Phone
(516) 487-9454
Enumerated
Jan 25, 2006
Record last updated
Mar 2, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(516) 487-2745
Medicaid ID
01839674 NY
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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Also registered at 600 Northern Blvd

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

  1. Marcia Anderson, AU.D.Audiologist1275703704
  2. Michael Angel, M.D.Orthopaedic Surgery Physician1811151947
  3. Amir Annabi, M.D.Physical Medicine & Rehabilitation Physician1902064165
  4. Mansoor Beg, M.D.Specialist1437129673
  5. Stephanie Buck-Haskin, M.D.Obstetrics & Gynecology Physician1952362774
  6. Kevin Cassidy, M.D.Orthopaedic Surgery Physician1215196464

Verify James Dennis Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 176543
    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
Find the New York 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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98% fewer Medicare Part D claims than the average specialist in 2024

21 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. James Sullivan21
  2. Specialty average1,380

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).

James Dennis Sullivan among 22,636 specialist records in New York

James Dennis Sullivan, MD is one of 22,636 specialist records with a practice address in New York. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 92% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2016 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

88 specialist records list a practice address in Great Neck

They are 88 of the 2,508 NPPES records with a practice address in Great Neck, and 22,636 specialist records in New York.

The 8 specialist records with the nearest ZIP codes

  1. Mansoor Beg, M.D.Great Neck, NY 110211437129673
  2. Charles Conte, MDGreat Neck, NY 110211689644387
  3. Elliot Goldofsky, M.D.Great Neck, NY 110211194718437
  4. Kathy Kahn Brandes, M.D.Great Neck, NY 110211619960135
  5. David Katz, M.D.Great Neck, NY 110211205839347
  6. Edmund Kessler, M.D.Great Neck, NY 110211396713988
  7. Roger Lao, M.D.Great Neck, NY 110211902800741
  8. Paul Needelman, M.D.Great Neck, NY 110211619971454

Common questions

What is James Dennis Sullivan, MD's NPI number?

James Dennis Sullivan, MD's National Provider Identifier (NPI) is 1871563551, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Dennis Sullivan, MD located?

The NPPES record lists a practice address at 600 Northern Blvd, Great Neck, NY, 11021. Phone: (516) 487-9454. Providers update this record themselves, so call before visiting.

How can I verify James Dennis Sullivan, MD's license?

NPPES lists New York license number 176543, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does James Dennis Sullivan, MD prescribe under Medicare Part D?

In 2024, James Dennis Sullivan, MD had 21 Medicare Part D claims; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

What is James Dennis Sullivan, MD'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.