Doctor profile · Federal record

Dr. Elizabeth Nguyen, MD

Internal Medicine Physician (CMS: Hospitalist) · Camarillo, CA

  • NPI 1770528028
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3801 Las Posas RD, Suite 211
Camarillo, CA 930101427
(805) 389-0099
fax (805) 389-4884

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 7, 2010
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A90331
Medicaid
CA #00A903310

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770528028. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
598
Distinct HCPCS
5
Medicare allowed
$73,601
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 395 156 $123
99239 Hospital discharge day management, more than 30 minutes 94 89 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 47 45 $180
99238 Hospital discharge day management, 30 minutes or less 34 34 $85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 28 21 $82

In context: peer comparison

Among 11 peers in Camarillo Internal Medicine Physician, average services per provider: 140. This provider delivers 4.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$316
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 2 $165.55
CVRx, INC. 1 $134.14
Abbvie INC. 1 $15.86

By nature of payment

Food and Beverage
$316

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
43
Patients
42
Total drug cost
$8,586
Drug Type Claims Patients Total cost
Levofloxacin Generic 19 19 $90
Eliquis (Apixaban) Brand 12 12 $8,409
Pantoprazole Sodium Generic 12 11 $87

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Nguyen's medical specialty?
Dr. Elizabeth Nguyen practices Internal Medicine Physician in Camarillo, CA.
Where does Dr. Elizabeth Nguyen practice?
Dr. Elizabeth Nguyen practices at 3801 Las Posas RD, Camarillo, CA 930101427. Office phone: 8053890099.
What is Dr. Elizabeth Nguyen's NPI?
Dr. Elizabeth Nguyen's National Provider Identifier (NPI) is 1770528028, issued by NPPES.
Does Dr. Elizabeth Nguyen accept Medicare assignment?
Yes. Dr. Elizabeth Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.