William Ky Chen, MD - Medicare Gastroenterology in Roseville, CA

William Ky Chen, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Roseville, California. He graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Sutter Valley Medical Foundation and his current practice location is 5 Medical Plaza Dr Ste 140, Roseville, California. You can reach out to his office (for appointments etc.) via phone at (916) 878-4940.

William Ky Chen is licensed to practice in California (license number G57578) 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 1982744942.

Contact Information

William Ky Chen, MD
5 Medical Plaza Dr Ste 140,
Roseville, CA 95661-2866
(916) 878-4940
Not Available

Map and Direction




Physician's Profile

Full NameWilliam Ky Chen
GenderMale
SpecialityGastroenterology
Experience41 Years
Location5 Medical Plaza Dr Ste 140, Roseville, 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:
  • William Ky Chen graduated from medical school in 1983
  NPI Data:
  • NPI Number: 1982744942
  • Provider Enumeration Date: 02/07/2007
  • Last Update Date: 04/16/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5991782641
  • Enrollment ID: I20080818000590

Medical Identifiers

Medical identifiers for William Ky Chen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1982744942NPI-NPPES
ZZZ13841ZOtherCAMEDICARE ID ROSEVILLE
ZZZ29516ZOtherCAMEDICARE ID - LINCOLN
ZZZ43589ZOtherCAMEDICARE SUBMITTER ID
G57578OtherCACA MEDICAL LICENSE
ZZZ13842ZOtherCAMEDICARE ID CARMICHAEL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology G57578 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sutter Roseville Medical CenterRoseville, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sutter Valley Medical Foundation98300945151919

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. William Ky Chen allows following entities to bill medicare on his behalf.
Entity NameSutter Valley Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669846986
PECOS PAC ID: 9830094515
Enrollment ID: O20090311000335

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. William Ky Chen 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
William Ky Chen, MD
Po Box 255228,
Sacramento, CA 95865-5228

Ph: () -
William Ky Chen, MD
5 Medical Plaza Dr Ste 140,
Roseville, CA 95661-2866

Ph: (916) 878-4940

Reviews and Comments


Internal Medicine Doctors in Roseville, CA

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Uma H Gowda, MD
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Peter A. Javaheri, MD
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Phone: 916-784-4000    
Rani Reddy Vatti, MD
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Practice Location: 1600 Eureka Rd, Roseville, CA 95661
Phone: 916-784-4000    

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.