Doctor profile · Federal record

Dr. Loan Nguyen, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Oklahoma City, OK

  • NPI 1528352739
  • Accepts Medicare
  • MIPS 99.2 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4050 W Memorial RD Fl 3
Oklahoma City, OK 731208382
(405) 608-3800
fax (405) 972-7565
Additional location
920 Sl Young Blvd
Oklahoma City, OK 731045036
(405) 271-5635
Mailing address
7800 Nw 85Th Ter
Oklahoma City, OK 731323385

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
June 6, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Oklahoma #28536

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528352739. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,511
Distinct HCPCS
10
Medicare allowed
$173,802
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 846 284 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 183 179 $166
99291 Critical care, first 30-74 minutes 156 52 $202
76604 Ultrasound scan of chest 125 104 $27
32555 Aspiration of fluid from chest cavity using imaging guidance 44 44 $105
94729 Test to examine how well the lungs exchange gases 28 28 $8
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 28 26 $12
94010 Test to measure expiratory airflow and volume 22 22 $8
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 18 18 $81
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 17 $76

In context: peer comparison

Among 21 peers in this city , average services per provider: 111. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
257
Patients
144
Total drug cost
$76,331
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 52 32 $969
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 47 23 $35,814
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 39 30 $1,215
Breo Ellipta (Fluticasone/Vilanterol) Brand 35 21 $16,810
Arnuity Ellipta (Fluticasone Furoate) Brand 23 0 $6,370
Prednisone Generic 21 21 $56
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 17 17 $145
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 12 0 $5,449
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 11 0 $9,503

Frequently asked questions

Auto-generated from federal data
What is Dr. Loan Nguyen's medical specialty?
Dr. Loan Nguyen practices Pulmonary Disease Physician in Oklahoma City, OK.
Where does Dr. Loan Nguyen practice?
Dr. Loan Nguyen practices at 4050 W Memorial RD Fl 3, Oklahoma City, OK 731208382. Office phone: 4056083800.
What is Dr. Loan Nguyen's NPI?
Dr. Loan Nguyen's National Provider Identifier (NPI) is 1528352739, issued by NPPES.
Does Dr. Loan Nguyen accept Medicare assignment?
Yes. Dr. Loan Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Loan 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.