Doctor profile · Federal record

Dr. Thuy-Ngan Nguyen, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Gilbert, AZ

  • NPI 1528470614
  • Accepts Medicare
  • MIPS 33.2 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3555 S Val Vista Dr
Gilbert, AZ 852977323
(480) 728-8000
Mailing address
4530 E Muirwood Dr Ste 105
Phoenix, AZ 850487693

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
January 11, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arizona #007922

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528470614. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
546
Distinct HCPCS
2
Medicare allowed
$86,477
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 432 404 $167
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 114 113 $126

In context: peer comparison

Among 14 peers in Gilbert Internal Medicine Physician, average services per provider: 133. This provider delivers 4.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thuy-Ngan Nguyen's medical specialty?
Dr. Thuy-Ngan Nguyen practices Internal Medicine Physician in Gilbert, AZ.
Where does Dr. Thuy-Ngan Nguyen practice?
Dr. Thuy-Ngan Nguyen practices at 3555 S Val Vista Dr, Gilbert, AZ 852977323. Office phone: 4807288000.
What is Dr. Thuy-Ngan Nguyen's NPI?
Dr. Thuy-Ngan Nguyen's National Provider Identifier (NPI) is 1528470614, issued by NPPES.
Does Dr. Thuy-Ngan Nguyen accept Medicare assignment?
Yes. Dr. Thuy-Ngan Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thuy-Ngan Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.