Doctor profile · Federal record

Dr. Sheila Nguyen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Fountain Valley, CA

  • NPI 1033435987
  • Accepts Medicare
  • MIPS 75.3 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17360 Brookhurst Street
Fountain Valley, CA 92708
(714) 665-1797
fax (714) 665-4680

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
December 23, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #C174484 · Pennsylvania #MD455531

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033435987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
313
Distinct HCPCS
4
Medicare allowed
$39,064
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 120 59 $127
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 87 43 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 55 54 $185
99239 Hospital discharge day management, more than 30 minutes 51 51 $123

In context: peer comparison

Among 36 peers in this city , average services per provider: 345. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Kestra Medical Technology Services, Inc. 1 $20.98

By nature of payment

Food and Beverage
$21

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sheila Nguyen's medical specialty?
Dr. Sheila Nguyen practices Internal Medicine Physician in Fountain Valley, CA.
Where does Dr. Sheila Nguyen practice?
Dr. Sheila Nguyen practices at 17360 Brookhurst Street, Fountain Valley, CA 92708. Office phone: 7146651797.
What is Dr. Sheila Nguyen's NPI?
Dr. Sheila Nguyen's National Provider Identifier (NPI) is 1033435987, issued by NPPES.
Does Dr. Sheila Nguyen accept Medicare assignment?
Yes. Dr. Sheila Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sheila Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.