Kay-won Chang, - Medicare Cardiovascular Disease (cardiology) in Dublin, CA

Kay-won Chang, is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Dublin, California. He went to University Of Texas Medical School At Houston and graduated in 2015 and has 9 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Sutter Bay Medical Foundation, Washington Township Hospital District and his current practice location is 4000 Dublin Blvd, 3rd Floor, Dublin, California. You can reach out to his office (for appointments etc.) via phone at (510) 498-2178.

Kay-won Chang is licensed to practice in California (license number A144085) 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 1205213410.

Contact Information

Kay-won Chang,
4000 Dublin Blvd, 3rd Floor,
Dublin, CA 94568
(510) 498-2178
Not Available

Map and Direction




Physician's Profile

Full NameKay-won Chang
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience9 Years
Location4000 Dublin Blvd, Dublin, 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:
  • Kay-won Chang attended and graduated from University Of Texas Medical School At Houston in 2015
  NPI Data:
  • NPI Number: 1205213410
  • Provider Enumeration Date: 04/27/2015
  • Last Update Date: 08/25/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7618309717
  • Enrollment ID: I20191111002470

Medical Identifiers

Medical identifiers for Kay-won Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205213410NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease A144085 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Washington HospitalFremont, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sutter Bay Medical Foundation42845387782941
Washington Township Hospital District286048882228

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. Kay-won Chang allows following entities to bill medicare on his behalf.
Entity NameSutter Bay Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013950807
PECOS PAC ID: 4284538778
Enrollment ID: O20031125000909
Entity NameWashington Township Hospital District
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1154472058
PECOS PAC ID: 2860488822
Enrollment ID: O20081210000515

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. Kay-won Chang 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
Kay-won Chang,
3200 Kearney Street, Building 2, 1st Floor,
Fremont, CA 94538

Ph: () -
Kay-won Chang,
4000 Dublin Blvd, 3rd Floor,
Dublin, CA 94568

Ph: (510) 498-2178

Reviews and Comments


Internal Medicine Doctors in Dublin, CA

Bao Duy Dao, MD
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Hoda M Ghanem, M.D.
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Dr. Aditya Bhargava, M.D.
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Geetanjali Julie Wadhavkar, MD
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Varsha Saha, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 4050 Dublin Blvd, Dublin, CA 94568
Phone: 925-875-6100    Fax: 925-875-6209
Ahdad Ziyar,
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Medicare: Medicare Enrolled
Practice Location: 4050 Dublin Blvd, Dublin, CA 94568
Phone: 510-498-2350    

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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