Jennifer Olivia Chan, MD - Medicare Thoracic Surgery in Walnut Creek, CA

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Jennifer Olivia Chan, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Walnut Creek, California. She graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Thoracic Surgery. She is a member of the group practice Bass Medical Group and her current practice location is 2637 Shadelands Dr, Walnut Creek, California. You can reach out to her office (for appointments etc.) via phone at (925) 932-6330.

Jennifer Olivia Chan is licensed to practice in California (license number A87218) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1265634687.

Contact Information

Jennifer Olivia Chan, MD
2637 Shadelands Dr,
Walnut Creek, CA 94598-2512
(925) 932-6330
(925) 932-0139

Map and Direction




Physician's Profile

Full NameJennifer Olivia Chan
GenderFemale
SpecialityThoracic Surgery
Experience22 Years
Location2637 Shadelands Dr, Walnut Creek, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Jennifer Olivia Chan graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1265634687
  • Provider Enumeration Date: 06/05/2007
  • Last Update Date: 02/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6406970805
  • Enrollment ID: I20100907000633

Medical Identifiers

Medical identifiers for Jennifer Olivia Chan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265634687NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) A87218 (California)Primary
208600000XSurgery A87218 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Washington HospitalFremont, CAHospital
San Ramon Regional Medical CenterSan ramon, CAHospital
John Muir Medical Center - Concord CampusConcord, CAHospital
Eden Medical CenterCastro valley, CAHospital
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bass Medical Group9032111281303

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. Jennifer Olivia Chan allows following entities to bill medicare on her behalf.
Entity NameJohn Muir Trauma Physicians Billing Service
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093864837
PECOS PAC ID: 3476542515
Enrollment ID: O20050420001452
Entity NameBass Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174253405
PECOS PAC ID: 9032111281
Enrollment ID: O20070201000181
Entity NameWashington Township Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346557014
PECOS PAC ID: 2860687050
Enrollment ID: O20101112001225

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. Jennifer Olivia Chan 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
Jennifer Olivia Chan, MD
2637 Shadelands Dr,
Walnut Creek, CA 94598-2512

Ph: (925) 932-6330		Jennifer Olivia Chan, MD
2637 Shadelands Dr,
Walnut Creek, CA 94598-2512

Ph: (925) 932-6330

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Walnut Creek, CA

Michaela Straznicka, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598
Phone: 925-932-6330    Fax: 925-932-0139
Kanti M. Uppal, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
Wilson Shu-chun Tsai, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598
Phone: 925-932-6330    Fax: 925-932-0139
Ching-kuo Chang, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
Dr. Saurin Shah, M.D
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598
Phone: 925-932-6330    Fax: 925-932-0139

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.