Shawn Steen, MD
NPI 1366651259 · Surgical Oncology Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Surgical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shawn Steen, MD is a Surgical Oncology Physician provider in Ventura, CA (NPI 1366651259).
Provider details
- NPI number
- 1366651259
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A107377 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
324 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $97 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 58 | $118 |
| Imaging of Lymph Nodes During Surgery38900 | 26 | $135 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 21 | $80 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 20 | $177 |
| Complicated Repair of Wound of Trunk, 2.6-7.5 Cm13101 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$694 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-21
- Last updated
- 2022-11-07
- Certified
- 2022-11-07
Frequently asked questions
- What is Shawn Steen's NPI number?
- Shawn Steen's National Provider Identifier (NPI) is 1366651259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shawn Steen's specialty?
- Shawn Steen is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Shawn Steen located?
- Shawn Steen's practice location on file with NPPES is 300 Hillmont Ave Ste 401, Ventura, CA 93003-1651.
- What is Shawn Steen's phone number?
- The practice phone number listed in the NPPES registry for Shawn Steen is (805) 652-5964.
- Does Shawn Steen accept Medicare?
- Shawn Steen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shawn Steen's NPI active?
- Yes — Shawn Steen's NPI (1366651259) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.