Anthony Brian Kwan, MD
Emergency Medicine Physician · Port Jefferson, NY
Anthony Brian Kwan, MD is an emergency medicine physician with a practice address in Port Jefferson, New York, and NPI 1003312802, issued on Apr 2, 2018. Check the license (New York 308847, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Anthony Brian Kwan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 308847 NY
Self-reported in NPPES; status is on the state search - Practice location
- 200 Belle Terre RD, Port Jefferson, NY 11777
- Phone
- (631) 474-6791
- Enumerated
- Apr 2, 2018
- Record last updated
- Nov 22, 2022
- Medicare enrollment
- Enrolled (PECOS I20211020000360); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 200 Belle Terre RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hani Abdel-Rahman, DOStudent in an Organized Health Care Education/Training Program1366145138
- David Anschel, M.D.Neurology Physician1689620387
- Joseph Audiino, P.A.Physician Assistant1487620100
- Robert Awadallah, PHARM.D, ANP, MBAPharmacist1043855596
- Cristina BadalamentiOccupational Therapist1609373489
- Nannette Bauers-Chu, P.T.Physical Therapist1972727741
Verify Anthony Brian Kwan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 308847Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average emergency medicine physician in 2024
192 Medicare Part D claims for 120 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 23 claims were for opioids.
Most prescribed
- Oxycodone Hcl18 claims
- Cephalexin14 claims
- Naproxen13 claims
- Ondansetron Odt12 claims
- Sulfamethoxazole-Trimethoprim12 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: $245.23
11 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Port Emergency Medical Services PCPort Jefferson, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anthony Brian Kwan among 5,025 emergency medicine physician records in New York
Anthony Brian Kwan, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2013 among the 3,232 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 emergency medicine physician records list a practice address in Port Jefferson
They are 17 of the 983 NPPES records with a practice address in Port Jefferson, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Port Jefferson → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John-Paul Blaber, M.D.Port Jefferson, NY 117771760625727
- De'Shauris Bradford, M.D.Port Jefferson, NY 117771942688841
- Mamachen Cherian, D.O.Port Jefferson, NY 117771215074224
- Philip Hubel, M.D.Port Jefferson, NY 117771104886266
- Anthony Llorens, MDPort Jefferson, NY 117771356593255
- Carol PalmieriPort Jefferson, NY 117771659428910
- Leonard Pastula, D.O.Port Jefferson, NY 117771093774978
- Kevin Pereira, MDPort Jefferson, NY 117771124588181
Common questions
What is Anthony Brian Kwan, MD's NPI number?
Anthony Brian Kwan, MD's National Provider Identifier (NPI) is 1003312802, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Brian Kwan, MD located?
The NPPES record lists a practice address at 200 Belle Terre RD, Port Jefferson, NY, 11777. Phone: (631) 474-6791. Providers update this record themselves, so call before visiting.
How can I verify Anthony Brian Kwan, MD's license?
NPPES lists New York license number 308847, 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 Anthony Brian Kwan, MD prescribe under Medicare Part D?
In 2024, Anthony Brian Kwan, MD had 192 Medicare Part D claims for 120 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.