Doctor profile · Federal record

Dr. David Nguyen, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Rosemead, CA

  • NPI 1316017353
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9246 Valley Blvd, Suite A
Rosemead, CA 917701922
(626) 641-2119
fax (626) 571-7732

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
April 18, 2012
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A6867

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316017353. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,232
Distinct HCPCS
9
Medicare allowed
$147,404
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,256 168 $98
81002 Urinalysis, manual test 387 117 $3
99212 Established patient office or other outpatient visit, 10-19 minutes 146 87 $62
82962 Blood glucose (sugar) test performed by hand-held instrument 134 42 $3
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 101 13 $83
36410 Insertion of needle into vein (3 years or older) 98 72 $19
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 65 65 $20
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 31 12 $2
99238 Hospital discharge day management, 30 minutes or less 14 12 $86

In context: peer comparison

Among 7 peers in Rosemead Internal Medicine Physician, average services per provider: 291. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$41
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $23.13
GlaxoSmithKline, LLC. 1 $18.32

By nature of payment

Food and Beverage
$41

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,763
Patients
906
Total drug cost
$93,550
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 648 108 $8,553
Amlodipine Besylate Generic 435 93 $4,532
Omeprazole Generic 342 82 $4,738
Alendronate Sodium Generic 269 60 $3,329
Metformin Hcl Generic 252 47 $3,402
Celecoxib Generic 216 45 $8,412
Triamcinolone Acetonide Generic 209 99 $2,979
Azelastine Hcl Generic 206 82 $5,950
Montelukast Sodium Generic 193 37 $3,178
Amoxicillin Generic 191 100 $1,182

Frequently asked questions

Auto-generated from federal data
What is Dr. David Nguyen's medical specialty?
Dr. David Nguyen practices Internal Medicine Physician in Rosemead, CA.
Where does Dr. David Nguyen practice?
Dr. David Nguyen practices at 9246 Valley Blvd, Rosemead, CA 917701922. Office phone: 6266412119.
What is Dr. David Nguyen's NPI?
Dr. David Nguyen's National Provider Identifier (NPI) is 1316017353, issued by NPPES.
Does Dr. David Nguyen accept Medicare assignment?
Yes. Dr. David Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Urinalysis, manual test (HCPCS 81002); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.