Dr Trevor M Williams, MD - Medicare Thoracic Surgery in Carmichael, CA

Dr Trevor M Williams, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Carmichael, California. He went to University Of California, San Francisco School Of Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Dignity Health Medical Foundation and his current practice location is 6555 Coyle Ave, Carmichael, California. You can reach out to his office (for appointments etc.) via phone at (916) 536-3665.

Dr Trevor M Williams is licensed to practice in California (license number A87074) 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 1528294436.

Contact Information

Dr Trevor M Williams, MD
6555 Coyle Ave,
Carmichael, CA 95608-0302
(916) 536-3665
(916) 536-3593

Map and Direction




Physician's Profile

Full NameDr Trevor M Williams
GenderMale
SpecialityThoracic Surgery
Experience15 Years
Location6555 Coyle Ave, Carmichael, 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 Trevor M Williams attended and graduated from University Of California, San Francisco School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1528294436
  • Provider Enumeration Date: 06/05/2009
  • Last Update Date: 03/21/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 2264587575
  • Enrollment ID: I20090909000472

Medical Identifiers

Medical identifiers for Dr Trevor M Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528294436NPI-NPPES
GR0100250MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery A87074 (California)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) A87074 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy San Juan Medical CenterCarmichael, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Dignity Health Medical Foundation78108006611199

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 Trevor M Williams allows following entities to bill medicare on his behalf.
Entity NameDignity Health Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700803418
PECOS PAC ID: 7810800661
Enrollment ID: O20031107000709

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 Trevor M Williams 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 Trevor M Williams, MD
3400 Data Dr,
Rancho Cordova, CA 95670-7956

Ph: () -
Dr Trevor M Williams, MD
6555 Coyle Ave,
Carmichael, CA 95608-0302

Ph: (916) 536-3665

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Carmichael, CA


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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.