Dr Shawn Thomas Steen, MD - Medicare Surgical Oncology in Ventura, CA

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Dr Shawn Thomas Steen, MD is a medicare enrolled "Surgery - Surgical Oncology" physician in Ventura, California. He went to University Of Colorado School Of Medicine, Denver and graduated in 2004 and has 20 years of diverse experience with area of expertise as Surgical Oncology. He is a member of the group practice Community Memorial Health System, Community Physicians Of Ventura County, Ventura County Surgical Associates and his current practice location is 300 Hillmont Ave Ste 401, Ventura, California. You can reach out to his office (for appointments etc.) via phone at (805) 652-5964.

Dr Shawn Thomas Steen is licensed to practice in California (license number A107377) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1366651259.

Contact Information

Dr Shawn Thomas Steen, MD
300 Hillmont Ave Ste 401,
Ventura, CA 93003-1651
(805) 652-5964
(805) 641-4416

Map and Direction




Physician's Profile

Full NameDr Shawn Thomas Steen
GenderMale
SpecialitySurgical Oncology
Experience20 Years
Location300 Hillmont Ave Ste 401, Ventura, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Shawn Thomas Steen attended and graduated from University Of Colorado School Of Medicine, Denver in 2004
  NPI Data:
  • NPI Number: 1366651259
  • Provider Enumeration Date: 05/21/2007
  • Last Update Date: 11/07/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 4183760291
  • Enrollment ID: I20091002000532

Medical Identifiers

Medical identifiers for Dr Shawn Thomas Steen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366651259NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2086X0206XSurgery - Surgical Oncology A107377 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ventura County Medical CenterVentura, CAHospital
Community Memorial Hospital San BuenaventuraVentura, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Community Memorial Health System9537155676166
Community Physicians Of Ventura County17595193905
Ventura County Surgical Associates761839715912

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Shawn Thomas Steen allows following entities to bill medicare on his behalf.
Entity NameCounty Of Ventura
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629167457
PECOS PAC ID: 7911810171
Enrollment ID: O20031112000587
Entity NameCommunity Memorial Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215903018
PECOS PAC ID: 9537155676
Enrollment ID: O20040422001668
Entity NameCity Of Hope Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871886366
PECOS PAC ID: 3779751656
Enrollment ID: O20110720000244
Entity NameCommunity Physicians Of Ventura County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871166496
PECOS PAC ID: 1759519390
Enrollment ID: O20140113000383
Entity NameVentura County Surgical Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740892686
PECOS PAC ID: 7618397159
Enrollment ID: O20201021002400

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Shawn Thomas Steen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Shawn Thomas Steen, MD
300 Hillmont Ave, Bldg 340 Suite 401,
Ventura, CA 93003

Ph: (805) 652-5964		Dr Shawn Thomas Steen, MD
300 Hillmont Ave Ste 401,
Ventura, CA 93003-1651

Ph: (805) 652-5964

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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