Ruth Hsiao, MD - Medicare Hospitalist in San Diego, CA

Ruth Hsiao, MD is a medicare enrolled "Hospitalist" physician in San Diego, California. She went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 2014 and has 10 years of diverse experience with area of expertise as Hospitalist. She is a member of the group practice Southern California Permanente Medical Group and her current practice location is 200 W Arbor Dr, San Diego, California. You can reach out to her office (for appointments etc.) via phone at (619) 471-9186.

Ruth Hsiao is licensed to practice in California (license number A137828) 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 1174942882.

Contact Information

Ruth Hsiao, MD
200 W Arbor Dr,
San Diego, CA 92103-9000
(619) 471-9186
Not Available

Map and Direction




Physician's Profile

Full NameRuth Hsiao
GenderFemale
SpecialityHospitalist
Experience10 Years
Location200 W Arbor Dr, San Diego, 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:
  • Ruth Hsiao attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2014
  NPI Data:
  • NPI Number: 1174942882
  • Provider Enumeration Date: 04/09/2014
  • Last Update Date: 12/08/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6507131158
  • Enrollment ID: I20171006001166

Medical Identifiers

Medical identifiers for Ruth Hsiao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174942882NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist A137828 (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 Group60027291757951

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. Ruth Hsiao allows following entities to bill medicare on her behalf.
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376646869
PECOS PAC ID: 3577476761
Enrollment ID: O20031112000695
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. Ruth Hsiao 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
Ruth Hsiao, MD
Po Box 232410,
San Diego, CA 92193-2410

Ph: () -
Ruth Hsiao, MD
200 W Arbor Dr,
San Diego, CA 92103-9000

Ph: (619) 471-9186

Reviews and Comments


Hospitalist Doctors in San Diego, CA

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Phone: 619-532-8983    Fax: 619-532-9470
Noelle Griffin Martinez, MD MPH
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Dr. Erica Blossom Feldman, MD, MPH
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Practice Location: 200 W Arbor Dr, San Diego, CA 92103
Phone: 619-543-6268    Fax: 619-543-6529

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.