Robert S Wen, MD - Medicare Internal Medicine in Riverside, CA

Robert S Wen, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Riverside, California. He went to Icahn School Of Medicine At Mount Sinai and graduated in 1992 and has 32 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Southern California Permanente Medical Group and his current practice location is 10800 Magnolia Ave, Riverside, California. You can reach out to his office (for appointments etc.) via phone at (909) 353-2000.

Robert S Wen is licensed to practice in California (license number G82085) 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 1790852507.

Contact Information

Robert S Wen, MD
10800 Magnolia Ave,
Riverside, CA 92505-3043
(909) 353-2000
Not Available

Map and Direction




Physician's Profile

Full NameRobert S Wen
GenderMale
SpecialityInternal Medicine
Experience32 Years
Location10800 Magnolia Ave, Riverside, 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:
  • Robert S Wen attended and graduated from Icahn School Of Medicine At Mount Sinai in 1992
  NPI Data:
  • NPI Number: 1790852507
  • Provider Enumeration Date: 11/29/2006
  • Last Update Date: 11/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9537050778
  • Enrollment ID: I20040324001332

Medical Identifiers

Medical identifiers for Robert S Wen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790852507NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology G82085 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital, RiversideRiverside, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291758172

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. Robert S Wen allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823

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. Robert S Wen 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
Robert S Wen, MD
10800 Magnolia Ave,
Riverside, CA 92505-3043

Ph: (909) 353-2000
Robert S Wen, MD
10800 Magnolia Ave,
Riverside, CA 92505-3043

Ph: (909) 353-2000

Reviews and Comments


Internal Medicine Doctors in Riverside, CA

Sang Kun Yim, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 7117 Brockton Ave, Riverside, CA 92506
Phone: 951-683-6370    
Sarah Chae, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 4646 Brockton Ave Ste 201, Riverside, CA 92506
Phone: 951-585-1800    Fax: 951-585-1801
Alina S Popa, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 4445 Magnolia Ave, Riverside, CA 92501
Phone: 951-788-3636    
Richard M. Bradburne, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 10800 Magnolia Ave, Riverside, CA 92505
Phone: 909-353-2000    
Shelly C. Thio, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 10800 Magnolia Ave, Riverside, CA 92505
Phone: 909-353-2000    
Fawaz Gailani, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 10800 Magnolia Ave, Riverside, CA 92505
Phone: 909-353-2000    
Andrew Duke, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 4445 Magnolia Ave, Riverside, CA 92501
Phone: 951-788-3000    

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.