NPPES file of Aug 9, 2026

Christopher M. Sinclair, M.D.

Neurology Physician · Port Jefferson, NY

Christopher M. Sinclair, M.D. is a neurology physician with a practice address in Port Jefferson, New York, and NPI 1205987351, issued on Jan 16, 2007. Check the license (New York 232434, 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
1205987351
Name
Christopher M. Sinclair
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
232434 NY
042228 CT
4301505450 MI
Self-reported in NPPES; status is on the state search
Practice location
254 Windward Dr, Port Jefferson, NY 11777
Phone
(631) 560-7290
Enumerated
Jan 16, 2007
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20040616001602); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1998
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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Verify Christopher M. Sinclair 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 232434
    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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3.5 times the Medicare Part D claims of the average neurology physician in 2024

4,848 Medicare Part D claims for 464 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 491 claims were for opioids.

  1. Christopher Sinclair4,848
  2. Specialty average1,370

Most prescribed

  1. Gabapentin177 claims
  2. Pramipexole Dihydrochloride156 claims
  3. Carbidopa-Levodopa147 claims
  4. Carbidopa-Levodopa Er146 claims
  5. Fludrocortisone Acetate145 claims
  6. Levetiracetam144 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.

Industry payments in 2024: $163.74

6 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Sinclair$163.74
  2. Specialty average$8,318.07

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. North Shore-Lij Medical PCRiverhead, NY

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

Christopher M. Sinclair among 1,778 neurology physician records in New York

Christopher M. Sinclair, M.D. is one of 1,778 neurology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1998 · median 2004 among the 1,238 with a school on file
  • Record last updated2022 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in New York

There are 1,778 neurology physician records in New York.

The 8 neurology physician records with the nearest ZIP codes

  1. David Anschel, M.D.Port Jefferson, NY 117771689620387
  2. Anna Leskiv, M.D.Port Jefferson, NY 117771770801920
  3. Dinesh Shukla, MDPort Jefferson, NY 117771033102280
  4. Maryana Liedke, DOPort Jefferson Station, NY 117761386987956
  5. Scott McWilliams, MDRocky Point, NY 117781013918812
  6. Usman Mirza, MD, MBAPort Jefferson Station, NY 117761912429895
  7. Rebecca Monastero, MDRocky Point, NY 117781861078339
  8. Katherine Roth, MDPort Jefferson Station, NY 117761083695233

Common questions

What is Christopher M. Sinclair, M.D.'s NPI number?

Christopher M. Sinclair, M.D.'s National Provider Identifier (NPI) is 1205987351, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christopher M. Sinclair, M.D. located?

The NPPES record lists a practice address at 254 Windward Dr, Port Jefferson, NY, 11777. Phone: (631) 560-7290. Providers update this record themselves, so call before visiting.

How can I verify Christopher M. Sinclair, M.D.'s license?

NPPES lists New York license number 232434, 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 Christopher M. Sinclair, M.D. prescribe under Medicare Part D?

In 2024, Christopher M. Sinclair, M.D. had 4,848 Medicare Part D claims for 464 beneficiaries; the average among neurology physician prescribers was 1,370. 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.

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.