Doctor profile · Federal record

Dr. Hai Nguyen, M.D.

Internal Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · Tulsa, OK

  • NPI 1316057326
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1145 S Utica Ave, Ste 460
Tulsa, OK 741044041
(918) 579-5749
fax (918) 579-5762
Mailing address
1145 S Utica Ave Ste 460
Tulsa, OK 741044041

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 25, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oklahoma #23439

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316057326. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
689
Distinct HCPCS
6
Medicare allowed
$86,311
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 298 147 $112
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 135 132 $164
99239 Hospital discharge day management, more than 30 minutes 123 120 $107
99291 Critical care, first 30-74 minutes 59 23 $202
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 42 26 $75
99238 Hospital discharge day management, 30 minutes or less 32 32 $76

In context: peer comparison

Among 103 peers in Tulsa Internal Medicine Physician, average services per provider: 138. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$30
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $29.75

By nature of payment

Food and Beverage
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
187
Patients
135
Total drug cost
$11,605
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 27 25 $313
Levofloxacin Generic 23 23 $97
Metoprolol Tartrate Generic 20 17 $97
Methylprednisolone Generic 19 19 $243
Brilinta (Ticagrelor) Brand 17 0 $9,886
Clopidogrel (Clopidogrel Bisulfate) Brand 17 0 $208
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 14 $101
Furosemide Generic 14 14 $41
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 0 $438
Prednisone Generic 12 12 $26

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hai Nguyen's medical specialty?
Dr. Hai Nguyen practices Internal Medicine Physician in Tulsa, OK.
Where does Dr. Hai Nguyen practice?
Dr. Hai Nguyen practices at 1145 S Utica Ave, Tulsa, OK 741044041. Office phone: 9185795749.
What is Dr. Hai Nguyen's NPI?
Dr. Hai Nguyen's National Provider Identifier (NPI) is 1316057326, issued by NPPES.
Does Dr. Hai Nguyen accept Medicare assignment?
Yes. Dr. Hai Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hai Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.