Rex Chen Hsei, MD - Medicare Ophthalmology in Santa Cruz, CA

Rex Chen Hsei, MD is a medicare enrolled "Ophthalmology" physician in Santa Cruz, California. He went to Hahnemann University College Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Bay Eye Medical Group Inc and his current practice location is 1665 Dominican Way, Ste 124, Santa Cruz, California. You can reach out to his office (for appointments etc.) via phone at (831) 475-7012.

Rex Chen Hsei is licensed to practice in California (license number A71449) 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 1285637157.

Contact Information

Rex Chen Hsei, MD
1665 Dominican Way, Ste 124,
Santa Cruz, CA 95065-1528
(831) 475-7012
Not Available

Map and Direction




Physician's Profile

Full NameRex Chen Hsei
GenderMale
SpecialityOphthalmology
Experience28 Years
Location1665 Dominican Way, Santa Cruz, 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:
  • Rex Chen Hsei attended and graduated from Hahnemann University College Of Medicine in 1996
  NPI Data:
  • NPI Number: 1285637157
  • Provider Enumeration Date: 05/24/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8628168853
  • Enrollment ID: I20080805000224

Medical Identifiers

Medical identifiers for Rex Chen Hsei such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285637157NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology A71449 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bay Eye Medical Group Inc44866217454

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. Rex Chen Hsei allows following entities to bill medicare on his behalf.
Entity NameBay Eye Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801899646
PECOS PAC ID: 4486621745
Enrollment ID: O20040915000680
Entity NameBay Eye Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447439583
PECOS PAC ID: 4486621745
Enrollment ID: O20050616001016

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. Rex Chen Hsei 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
Rex Chen Hsei, MD
1665 Dominican Way, Ste 124,
Santa Cruz, CA 95065-1528

Ph: (831) 475-7012
Rex Chen Hsei, MD
1665 Dominican Way, Ste 124,
Santa Cruz, CA 95065-1528

Ph: (831) 475-7012

Reviews and Comments


Ophthalmology Doctors in Santa Cruz, CA

Robert Rosen,
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 2025 Soquel Ave, Santa Cruz, CA 95062
Phone: 831-458-5640    
Jason Luksich, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 2025 Soquel Ave, Santa Cruz, CA 95062
Phone: 209-603-8524    
Dr. Andrew Xingyu Zhou, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1665 Dominican Way Ste 124, Santa Cruz, CA 95065
Phone: 831-475-7012    Fax: 831-475-1512
Samuel S. Masters, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1663 Dominican Way, Suite 212, Santa Cruz, CA 95065
Phone: 831-475-5375    Fax: 831-475-7229
Craig Blackwell, MD
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 1667 Dominican Way, Ste 130, Santa Cruz, CA 95065
Phone: 831-462-9225    Fax: 831-462-6285
Anna Kesler-diaz, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 2025 Soquel Ave, Santa Cruz, CA 95062
Phone: 831-458-5640    

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.