James Wai, DO
Internal Medicine Physician · Southampton, NY
James Wai, DO is an internal medicine physician with a practice address in Southampton, New York, and NPI 1538503487, issued on Apr 22, 2013. Check the license (New York 289246, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- James Wai
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 289246 NY
Self-reported in NPPES; status is on the state search - Practice location
- 325 Meeting House LN, Southampton, NY 11968
- Phone
- (631) 283-2100
- Enumerated
- Apr 22, 2013
- Record last updated
- Jul 21, 2022
- Fax
- (631) 283-5731
- Medicare enrollment
- Enrolled (PECOS I20170710002121); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 325 Meeting House LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Wai 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 289246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
340 Medicare Part D claims for 126 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 18 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass15 claims
- Oxycodone-Acetaminophen13 claims
- Atorvastatin Calcium12 claims
- Cefpodoxime Proxetil12 claims
- Pantoprazole Sodium11 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: $186.49
9 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- North Shore-Lij Medical PCValley Stream, NY
- Southwest Suffolk Medical PCSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Wai among 12,067 internal medicine physician records in New York
James Wai, DO is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · median 2002 among the 7,221 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 internal medicine physician records list a practice address in Southampton
They are 22 of the 475 NPPES records with a practice address in Southampton, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Southampton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Charles Arcoleo, MDSouthampton, NY 119681770659054
- David Capone, DOSouthampton, NY 119681629385174
- Carmen Chinea, M.D.Southampton, NY 119681619995941
- Candace Cummings, M.D.Southampton, NY 119681336252782
- Perry Eisman, M.D.Southampton, NY 119681609008663
- Charles Guida, MDSouthampton, NY 119681144288143
- Thomas Mathew, M.D.Southampton, NY 119681336363373
- Michael Oakley, M.D.Southampton, NY 119681306054416
Common questions
What is James Wai, DO's NPI number?
James Wai, DO's National Provider Identifier (NPI) is 1538503487, issued on Apr 22, 2013. An NPI identifies a provider in billing; it is not a license.
Where is James Wai, DO located?
The NPPES record lists a practice address at 325 Meeting House LN, Southampton, NY, 11968. Phone: (631) 283-2100. Providers update this record themselves, so call before visiting.
How can I verify James Wai, DO's license?
NPPES lists New York license number 289246, 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 James Wai, DO prescribe under Medicare Part D?
In 2024, James Wai, DO had 340 Medicare Part D claims for 126 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.
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.