Dr Senzan Hsu, MD - Medicare Obstetrics & Gynecology in Hayward, CA

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Dr Senzan Hsu, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Hayward, California. His current practice location is 27225 Calaroga Ave, Hayward, California. You can reach out to his office (for appointments etc.) via phone at (510) 342-0020.

Dr Senzan Hsu is licensed to practice in California (license number A70309) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1184677940.

Contact Information

Dr Senzan Hsu, MD
27225 Calaroga Ave,
Hayward, CA 94545-4338
(510) 342-0020
(510) 342-0022

Map and Direction




Physician's Profile

Full NameDr Senzan Hsu
GenderMale
SpecialityObstetrics & Gynecology
Location27225 Calaroga Ave, Hayward, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1184677940
  • Provider Enumeration Date: 05/19/2006
  • Last Update Date: 08/29/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6002868635
  • Enrollment ID: I20060720000390

Medical Identifiers

Medical identifiers for Dr Senzan Hsu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184677940NPI-NPPES
1184677940MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A70309 (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 Senzan Hsu allows following entities to bill medicare on his behalf.
Entity NameCounty Of San Joaquin
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801830583
PECOS PAC ID: 6002703436
Enrollment ID: O20040301001287
Entity NameSan Joaquin Faculty Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225063761
PECOS PAC ID: 4082631395
Enrollment ID: O20051026000742
Entity NameObhg California Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215258892
PECOS PAC ID: 8729276795
Enrollment ID: O20101217000826

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 Senzan 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 Senzan Hsu, MD
Po Box 1020,
Stockton, CA 95201-3120

Ph: (209) 468-6000		Dr Senzan Hsu, MD
27225 Calaroga Ave,
Hayward, CA 94545-4338

Ph: (510) 342-0020

Reviews and Comments


Obstetrics & Gynecology Doctors in Hayward, CA

Dr. Sheri L Task, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 27212 Calaroga Ave, Hayward, CA 94545
Phone: 510-785-5000    Fax: 510-784-2402
Dr. Pamela Denise Simons, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 27225 Calaroga Ave, Hayward, CA 94545
Phone: 510-342-0020    Fax: 510-342-0023
Michael G. Fogarty, DO
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 27400 Hesperian Blvd, Hayward, CA 94545
Phone: 510-784-4000    
Setareh Hafezi, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 27212 Calaroga Ave, Hayward, CA 94545
Phone: 510-785-5000    
Dr. Rama D. Polisetty, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 27212 Calaroga Ave, Hayward, CA 94545
Phone: 510-785-5000    Fax: 510-784-2502
Benita B Tan, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 19682 Hesperian Blvd, Suite 202, Hayward, CA 94541
Phone: 510-266-0077    Fax: 510-266-0016

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.