Doctor profile · Federal record

Dr. Shawn Steen, MD

Surgical Oncology Physician (CMS: Surgical Oncology) · Ventura, CA

  • NPI 1366651259
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Hillmont Ave Ste 401
Ventura, CA 930031651
(805) 652-5964
fax (805) 641-4416
Mailing address
300 Hillmont Ave, Bldg 340 Suite 401
Ventura, CA 93003

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
November 7, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
2086X0206X — NUCC code
State license (1)
California #A107377

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366651259. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
327
Distinct HCPCS
10
Medicare allowed
$66,679
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 57 47 $99
99214 Established patient office or other outpatient visit, 30-39 minutes 39 32 $138
99204 New patient office or other outpatient visit, 45-59 minutes 37 37 $180
38900 Imaging of lymph nodes during surgery 32 31 $142
99203 New patient office or other outpatient visit, 30-44 minutes 32 32 $122
38525 Biopsy or removal of deep lymph nodes of underarm 23 22 $285
99212 Established patient office or other outpatient visit, 10-19 minutes 21 19 $62
14301 Repair of wound by transferring skin, 30.1-60.0 sq cm 20 18 $865
99215 Established patient office or other outpatient visit, 40-54 minutes 19 15 $192
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm 13 11 $137

In context: peer comparison

Among 1 peers in this city , average services per provider: 25. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$694
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
PolyNovo North America LLC 2 $297.42
Endomagnetics Ltd 2 $137.88
Innovation Technologies Inc 1 $112.90
Tempus AI, Inc 1 $89.07
Smith+Nephew, Inc. 1 $56.49

By nature of payment

Food and Beverage
$694

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
12
Total drug cost
$150
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 12 $150

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shawn Steen's medical specialty?
Dr. Shawn Steen practices Surgical Oncology Physician in Ventura, CA.
Where does Dr. Shawn Steen practice?
Dr. Shawn Steen practices at 300 Hillmont Ave Ste 401, Ventura, CA 930031651. Office phone: 8056525964.
What is Dr. Shawn Steen's NPI?
Dr. Shawn Steen's National Provider Identifier (NPI) is 1366651259, issued by NPPES.
Does Dr. Shawn Steen accept Medicare assignment?
Yes. Dr. Shawn Steen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shawn Steen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.