Doctor profile · Federal record

Dr. Diana Nguyen, M.D.

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

  • NPI 1710340492
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4150 V St Ste 3400
Sacramento, CA 958171460
(916) 734-7587
Additional location
4150 V St, #1100
Sacramento, CA 958171460
(916) 734-2737

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
August 15, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A152491

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710340492. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
453
Distinct HCPCS
7
Medicare allowed
$46,235
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 177 89 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 134 61 $124
99239 Hospital discharge day management, more than 30 minutes 50 48 $120
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 37 19 $32
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $180
99238 Hospital discharge day management, 30 minutes or less 15 15 $85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $135

In context: peer comparison

Among 123 peers in this city , average services per provider: 116. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$276
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $122.40
ABBVIE INC. 1 $122.31
MERZ NORTH AMERICA, INC. 1 $31.59

By nature of payment

Food and Beverage
$276

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$239
Drug Type Claims Patients Total cost
Famotidine Generic 24 0 $239

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Nguyen's medical specialty?
Dr. Diana Nguyen practices Internal Medicine Physician in Sacramento, CA.
Where does Dr. Diana Nguyen practice?
Dr. Diana Nguyen practices at 4150 V St Ste 3400, Sacramento, CA 958171460. Office phone: 9167347587.
What is Dr. Diana Nguyen's NPI?
Dr. Diana Nguyen's National Provider Identifier (NPI) is 1710340492, issued by NPPES.
Does Dr. Diana Nguyen accept Medicare assignment?
Yes. Dr. Diana Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.