Doctor profile · Federal record

Dr. Diane Vu, DO

Family Medicine Physician (CMS: Family Practice) · Encinitas, CA

  • NPI 1134195084
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
477 N El Camino Real, Suite A208
Encinitas, CA 920241328
(760) 479-3900
Mailing address
2201 Mission Ave
Oceanside, CA 92054

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
August 9, 2011
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A8422

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134195084. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
314
Distinct HCPCS
5
Medicare allowed
$35,400
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 146 96 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 86 62 $97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 32 32 $138
90662 Influenza vaccine split virus, preservative free 25 25 $72
G0008 Administration of influenza virus vaccine 25 25 $33

In context: peer comparison

Among 13 peers in Encinitas Family Medicine Physician, average services per provider: 80. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,452
Patients
427
Total drug cost
$30,184
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 244 64 $2,750
Losartan Potassium Generic 192 53 $4,020
Rosuvastatin Calcium Generic 184 54 $9,557
Levothyroxine Sodium Generic 147 39 $2,459
Atorvastatin Calcium Generic 128 38 $2,463
Metoprolol Succinate Generic 83 26 $2,028
Lisinopril Generic 74 23 $802
Metformin Hcl Generic 73 24 $931
Alendronate Sodium Generic 71 26 $1,240
Hydrochlorothiazide Generic 58 17 $414

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Vu's medical specialty?
Dr. Diane Vu practices Family Medicine Physician in Encinitas, CA.
Where does Dr. Diane Vu practice?
Dr. Diane Vu practices at 477 N El Camino Real, Encinitas, CA 920241328. Office phone: 7604793900.
What is Dr. Diane Vu's NPI?
Dr. Diane Vu's National Provider Identifier (NPI) is 1134195084, issued by NPPES.
Does Dr. Diane Vu accept Medicare assignment?
Yes. Dr. Diane Vu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Vu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.