Doctor profile · Federal record

Dr. Caroline Nguyen, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Sacramento, CA

  • NPI 1104934256
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2801 'L' Street
Sacramento, CA 95816
(916) 733-3003
Mailing address
2100 Powell St, Ste 900
Emeryville, CA 946081844

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 19, 2016
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A77132
Medicaid
CA #00A771320

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104934256. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
614
Distinct HCPCS
5
Medicare allowed
$69,075
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 233 200 $8
99285 Emergency department visit with high level of medical decision making 217 212 $177
99291 Critical care, first 30-74 minutes 93 93 $217
99284 Emergency department visit with moderate level of medical decision making 58 55 $122
99292 Critical care, each additional 30 minutes 13 13 $109

In context: peer comparison

Among 111 peers in this city , average services per provider: 80. This provider delivers 7.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
84
Patients
84
Total drug cost
$687
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 29 29 $141
Cephalexin Generic 25 25 $338
Ondansetron Odt (Ondansetron) Brand 15 15 $116
Prednisone Generic 15 15 $92

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Caroline Nguyen's medical specialty?
Dr. Caroline Nguyen practices Emergency Medicine Physician in Sacramento, CA.
Where does Dr. Caroline Nguyen practice?
Dr. Caroline Nguyen practices at 2801 'L' Street, Sacramento, CA 95816. Office phone: 9167333003.
What is Dr. Caroline Nguyen's NPI?
Dr. Caroline Nguyen's National Provider Identifier (NPI) is 1104934256, issued by NPPES.
Does Dr. Caroline Nguyen accept Medicare assignment?
Yes. Dr. Caroline Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caroline Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.