Doctor profile · Federal record

Dr. Grace Sun, M.D.

Dermatology Physician (CMS: Dermatology) · Pediatric Dermatology Physician · Oxnard, CA

  • NPI 1396056735
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2811 N Ventura RD
Oxnard, CA 930362213
(805) 983-0343

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
April 23, 2015
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
California #A124906

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396056735. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,203
Distinct HCPCS
9
Medicare allowed
$96,553
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 1,093 132 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 474 275 $97
17000 Destruction of precancer skin growth, 1 growth 245 155 $69
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 154 19 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 94 79 $137
11102 Biopsy of related skin growth, first growth 67 56 $114
96372 Injection of drug or substance under skin or into muscle 36 18 $16
17110 Destruction of skin growth, 1-14 growths 23 14 $124
11103 Biopsy of related skin growth, each additional growth 17 12 $57

In context: peer comparison

Among 2 peers in Oxnard Dermatology Physician, average services per provider: 156. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,549
Transactions
56
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 10 $317.67
Pfizer INC. 8 $271.63
Abbvie INC. 12 $214.69
Sun Pharmaceutical Industries INC. 3 $145.14
Genzyme Corporation 4 $104.07
Ucb, INC. 3 $60.81
Incyte Corporation 2 $54.51
Lilly USA, LLC 2 $52.89
Verrica Pharmaceuticals INC. 3 $52.11
Regeneron Healthcare Solutions, INC. 2 $48.78
Krystal Biotech INC 2 $46.34
Leo Pharma INC. 2 $45.51
Organogenesis INC. 1 $24.49
E.R. Squibb & Sons, L.L.C. 1 $21.22
Novartis Pharmaceuticals Corporation 1 $20.70

By nature of payment

Food and Beverage
$1,369
Education
$180

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
814
Patients
391
Total drug cost
$28,989
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 165 94 $2,407
Clobetasol Propionate Generic 111 58 $9,218
Ketoconazole Generic 110 54 $1,931
Hydrocortisone Generic 88 40 $708
Fluocinonide Generic 63 38 $3,870
Terbinafine Hcl Generic 37 20 $289
Fluorouracil Generic 32 29 $2,902
Alclometasone Dipropionate Generic 28 0 $1,513
Doxycycline Hyclate Generic 28 0 $1,744
Betamethasone Dipropionate Generic 27 14 $855

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace Sun's medical specialty?
Dr. Grace Sun practices Dermatology Physician in Oxnard, CA.
Where does Dr. Grace Sun practice?
Dr. Grace Sun practices at 2811 N Ventura RD, Oxnard, CA 930362213. Office phone: 8059830343.
What is Dr. Grace Sun's NPI?
Dr. Grace Sun's National Provider Identifier (NPI) is 1396056735, issued by NPPES.
Does Dr. Grace Sun accept Medicare assignment?
Yes. Dr. Grace Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grace Sun commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.