NPPES file of Aug 9, 2026

Long Duc Nguyen, M.D.

Gynecologic Oncology Physician · Flushing, NY

Long Duc Nguyen, M.D. is a gynecologic oncology physician with a practice address in Flushing, New York, and NPI 1851558779, issued on May 19, 2008. Check the license (New York 264684, as entered in NPPES) 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
1851558779
Name
Long Duc Nguyen
Credential
M.D.
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License number
264684 NY
Self-reported in NPPES; status is on the state search
Practice location
5645 Main St, Flushing, NY 11355
Phone
(917) 303-3725
Enumerated
May 19, 2008
Record last updated
Mar 27, 2024
Fax
(718) 661-8777
Medicare enrollment
Enrolled (PECOS I20151029000566); 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 5645 Main St

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

  1. Anaida Abagyan-Stanczyk, DPMFoot & Ankle Surgery Podiatrist1194250274
  2. Jonathan Abayev, RPA-CPhysician Assistant1952580102
  3. Mohammed Abdelrehem, PA-CPhysician Assistant1689569253
  4. Ghaith AbdullahStudent in an Organized Health Care Education/Training Program1205776382
  5. Abbas AbediStudent in an Organized Health Care Education/Training Program1598409948
  6. Mariebelle AbelardeCertified Registered Nurse Anesthetist1396116604

Verify Long Duc Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 264684
    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 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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89% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024

21 Medicare Part D claims for 14 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D.

  1. Long Nguyen21
  2. Specialty average195

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): 100 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 score86.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Industry payments in 2024: $206.32

8 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Long Nguyen$206.32
  2. Specialty average$6,387.20

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

  1. New York Queens Medicine And Surgery, P.C.Flushing, NY

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

Long Duc Nguyen among 181 gynecologic oncology physician records in New York

Long Duc Nguyen, M.D. is one of 181 gynecologic oncology physician records with a practice address in New York. 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 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 37% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1990 · median 2003 among the 127 with a school on file
  • Record last updated2024 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecologic Oncology Physician providers in New York

There are 181 gynecologic oncology physician records in New York.

The 8 gynecologic oncology physician records with the nearest ZIP codes

  1. Yi-Ju Chen, MD, MPHFlushing, NY 113551043661572
  2. Manolis Tsatsas, M.D.Fresh Meadows, NY 113651790730026
  3. Marie Welshinger, MDFresh Meadows, NY 113651518909282
  4. Mark Moradi, MDFresh Meadows, NY 113661043377237
  5. Tarah Pua, MDForest Hills, NY 113751477757250
  6. Rudy Segna, M.D.Forest Hills, NY 113751740226554
  7. Ghadir Salame, MDBrooklyn, NY 112201144517921
  8. Albert PalileoBrooklyn, NY 112191700278223

Common questions

What is Long Duc Nguyen, M.D.'s NPI number?

Long Duc Nguyen, M.D.'s National Provider Identifier (NPI) is 1851558779, issued on May 19, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Long Duc Nguyen, M.D. located?

The NPPES record lists a practice address at 5645 Main St, Flushing, NY, 11355. Phone: (917) 303-3725. Providers update this record themselves, so call before visiting.

How can I verify Long Duc Nguyen, M.D.'s license?

NPPES lists New York license number 264684, as entered by the provider. 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 Long Duc Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Long Duc Nguyen, M.D. had 21 Medicare Part D claims for 14 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.

What is Long Duc Nguyen, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.