NPPES file of Aug 9, 2026

Regina N. Sydor, M.D.

Internal Medicine Physician · Flushing, NY

Regina N. Sydor, M.D. is an internal medicine physician with a practice address in Flushing, New York, and NPI 1144579376, issued on Sep 4, 2012. Check the license (New York 266494, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144579376
Name
Regina N. Sydor
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
266494 NY
Self-reported in NPPES; status is on the state search
Practice location
15811 Harry Van Arsdale JR Ave, Flushing, NY 11365
Phone
(718) 591-2014
Enumerated
Sep 4, 2012
Record last updated
Apr 11, 2018 (not updated in 8 years: call before relying on the address or phone)
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 15811 Harry Van Arsdale JR Ave

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

  1. Allen Chin, ODOptometrist1154446987
  2. Jennifer Chu, ODOptometrist1982290342
  3. Jeffrey Freilich, MDInternal Medicine Physician1902833189
  4. Paul Greenberg, M.D.Hematology & Oncology Physician1427057975
  5. Vera Lettini, ODOptometrist1144368598
  6. Elizabeth Odierna, MDInternal Medicine Physician1447349766

Verify Regina N. Sydor 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 266494    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

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

394 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Regina Sydor394
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium103 claims
  2. Losartan Potassium40 claims
  3. Amlodipine Besylate32 claims
  4. Atorvastatin Calcium20 claims
  5. Metformin Hcl18 claims
  6. Icosapent Ethyl16 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.

242 internal medicine physician records list a practice address in Flushing

They are 242 of the 6,354 NPPES records with a practice address in Flushing, and 12,067 internal medicine physician records in New York.

All 242 in Flushing → All 12,067 in New York → Every provider in Flushing →

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is Regina N. Sydor, M.D.'s NPI number?

Regina N. Sydor, M.D.'s National Provider Identifier (NPI) is 1144579376, issued on Sep 4, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Regina N. Sydor, M.D. located?

The NPPES record lists a practice address at 15811 Harry Van Arsdale JR Ave, Flushing, NY, 11365. Phone: (718) 591-2014. Providers update this record themselves, so call before visiting.

How can I verify Regina N. Sydor, M.D.'s license?

NPPES lists New York license number 266494, 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 Regina N. Sydor, M.D. prescribe under Medicare Part D?

In 2024, Regina N. Sydor, M.D. had 394 Medicare Part D claims for 64 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.