Doctor profile · Federal record

Dr. Ngocbich Nguyen, MD

Internal Medicine Physician (CMS: Internal Medicine) · San Diego, CA

  • NPI 1578663787
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4060 Fourth Ave, 500
San Diego, CA 921032116
(619) 298-2900
fax (619) 260-1919

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
August 1, 2012
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #WA77428B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578663787. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,047
Distinct HCPCS
10
Medicare allowed
$97,045
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 2,460 24 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 88 49 $137
96372 Injection of drug or substance under skin or into muscle 81 34 $15
36410 Insertion of needle into vein (3 years or older) 79 47 $19
99213 Established patient office or other outpatient visit, 20-29 minutes 73 50 $97
G0008 Administration of influenza virus vaccine 36 34 $33
90662 Influenza vaccine split virus, preservative free 34 32 $72
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 32 23 $66
G0442 Annual alcohol misuse screening, 5 to 15 minutes 26 26 $20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 25 25 $138

In context: peer comparison

Among 193 peers in this city , average services per provider: 141. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$578
Transactions
25
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 8 $238.62
Radius Health, Inc. 11 $194.08
Novartis Pharmaceuticals Corporation 2 $54.41
SANOFI PASTEUR INC. 2 $47.89
PFIZER INC. 2 $43.25

By nature of payment

Food and Beverage
$578

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
660
Patients
120
Total drug cost
$64,447
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 152 42 $2,130
Amlodipine Besylate Generic 73 22 $660
Synthroid (Levothyroxine Sodium) Brand 49 14 $5,840
Escitalopram Oxalate Generic 43 14 $761
Levocetirizine Dihydrochloride Generic 43 17 $1,619
Losartan Potassium Generic 41 0 $444
Ozempic (Semaglutide) Brand 36 0 $42,013
Simvastatin Generic 35 0 $505
Rosuvastatin Calcium Generic 29 0 $405
Levothyroxine Sodium Generic 28 0 $546

Frequently asked questions

Auto-generated from federal data
What is Dr. Ngocbich Nguyen's medical specialty?
Dr. Ngocbich Nguyen practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Ngocbich Nguyen practice?
Dr. Ngocbich Nguyen practices at 4060 Fourth Ave, San Diego, CA 921032116. Office phone: 6192982900.
What is Dr. Ngocbich Nguyen's NPI?
Dr. Ngocbich Nguyen's National Provider Identifier (NPI) is 1578663787, issued by NPPES.
Does Dr. Ngocbich Nguyen accept Medicare assignment?
Yes. Dr. Ngocbich Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ngocbich Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.