Dr Ruth Hsu, MD - Medicare Psychiatry & Neurology in Menlo Park, CA

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Dr Ruth Hsu, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Menlo Park, California. Her current practice location is 193 Jefferson Dr, Menlo Park, California. You can reach out to her office (for appointments etc.) via phone at (650) 521-5440.

Dr Ruth Hsu is licensed to practice in California (license number A144115) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1558757120.

Contact Information

Dr Ruth Hsu, MD
193 Jefferson Dr,
Menlo Park, CA 94025-1114
(650) 521-5440
Not Available

Map and Direction




Physician's Profile

Full NameDr Ruth Hsu
GenderFemale
SpecialityPsychiatry & Neurology - Psychiatry
Location193 Jefferson Dr, Menlo Park, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1558757120
  • Provider Enumeration Date: 04/10/2015
  • Last Update Date: 09/13/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5799044210
  • Enrollment ID: I20180109000545

Medical Identifiers

Medical identifiers for Dr Ruth Hsu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558757120NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry A144115 (California)Primary

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. Dr Ruth Hsu allows following entities to bill medicare on her behalf.
Entity NameCounty Of San Mateo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679642326
PECOS PAC ID: 9032023171
Enrollment ID: O20031126000292
Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588721500
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000757
Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699885079
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000784
Entity NameCounty Of San Mateo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831268580
PECOS PAC ID: 9032023171
Enrollment ID: O20040123000822
Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Other Medical Care Group
Entity IdentifiersNPI Number: 1629301346
PECOS PAC ID: 1254244973
Enrollment ID: O20110318000170

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. Dr Ruth Hsu 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
Dr Ruth Hsu, MD
193 Jefferson Dr,
Menlo Park, CA 94025-1114

Ph: () -		Dr Ruth Hsu, MD
193 Jefferson Dr,
Menlo Park, CA 94025-1114

Ph: (650) 521-5440

Reviews and Comments


Psychiatry & Neurology Doctors in Menlo Park, CA

Jeffrey Stephen Javerbaum, M.D.
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Phone: 650-324-0700    Fax: 650-324-0709
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Ms. Mary L English, RN MS CNS
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Phone: 650-493-5000    
Dr. Tiffany Jean Hwang, MD
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Phone: 650-713-2288    
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Phone: 650-329-0886    

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.