Doctor profile · Federal record

Dr. James Wai, DO

Internal Medicine Physician (CMS: Hospitalist) · Southampton, NY

  • NPI 1538503487
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
325 Meeting House Ln, Bldg 2 Suite 403
Southampton, NY 11968
(631) 283-2100
fax (631) 283-5731
Additional location
518 Montauk Hwy Ste 102
Amagansett, NY 119302110
(631) 267-5373
fax (631) 267-5376

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #289246

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538503487. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,192
Distinct HCPCS
5
Medicare allowed
$115,075
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 921 320 $92
99238 Hospital discharge day management, 30 minutes or less 159 157 $94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 59 59 $152
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 37 37 $99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $201

In context: peer comparison

Among 9 peers in this city , average services per provider: 192. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$186
Transactions
9
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 8 $170.13
Janssen Pharmaceuticals, Inc 1 $16.36

By nature of payment

Food and Beverage
$186

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
145
Patients
142
Total drug cost
$2,303
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 25 25 $321
Pantoprazole Sodium Generic 21 20 $265
Cefpodoxime Proxetil Generic 19 19 $503
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 15 $171
Metoprolol Succinate Generic 15 15 $185
Amlodipine Besylate Generic 13 13 $75
Sucralfate Generic 13 13 $450
Potassium Chloride Generic 12 11 $293
Prednisone Generic 11 11 $39

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Wai's medical specialty?
Dr. James Wai practices Internal Medicine Physician in Southampton, NY.
Where does Dr. James Wai practice?
Dr. James Wai practices at 325 Meeting House Ln, Southampton, NY 11968. Office phone: 6312832100.
What is Dr. James Wai's NPI?
Dr. James Wai's National Provider Identifier (NPI) is 1538503487, issued by NPPES.
Does Dr. James Wai accept Medicare assignment?
Yes. Dr. James Wai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Wai commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.