NPIMap

Organization Active NPI

Bay Eye Medical Group Inc

  • Medical Specialty Clinic/Center
  • Watsonville, CA
National Provider Identifier
1447439583
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Specialty Clinic/CenterTaxonomy code 261QM2500X
Legal business name
BAY EYE MEDICAL GROUP INC
Practice address
65 Aspen Way
Watsonville, CA 95076-6054
Phone
(831) 761-5488
Fax
(831) 761-5487
NPI assigned
Oct 25, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Dr. Rex C Hsei, MDNPI 1285637157
Title
President
Phone
(831) 761-5488

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Specialty Clinic/Center 261QM2500X Primary

Addresses

Primary practice location

65 Aspen Way
Watsonville, CA 95076-6054

Mailing address

1665 Dominican Way Ste 124
Santa Cruz, CA 95065-1528
Phone (831) 475-7012

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20050616001016 CA Part B Supplier - Clinic/Group Practice 4486621745 Receives reassigned benefits from 5 practitioners
Practice locations: Watsonville, CA

Other NPIs with the same Medicare PAC ID 1

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

National Provider Directory

National Provider Directory

Locations

3395 S Bascom Ave
Ste 140
Campbell, CA 95008
Phone (408) 369-8556

1665 Dominican Way
Ste 130
Santa Cruz, CA 95065

65 Aspen Way
Watsonville, CA 95076
Phone (831) 475-7012

Networks

  • BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

Practitioners 6

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1193270400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768348800000",
    "number": "1447439583",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1665 DOMINICAN WAY STE 124",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950651528",
            "telephone_number": "831-475-7012",
            "fax_number": "831-475-1512"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "65 ASPEN WAY",
            "city": "WATSONVILLE",
            "state": "CA",
            "postal_code": "950766054",
            "telephone_number": "831-761-5488",
            "fax_number": "831-761-5487"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BAY EYE MEDICAL GROUP INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-10-25",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A",
        "authorized_official_last_name": "HSEI",
        "authorized_official_first_name": "REX",
        "authorized_official_middle_name": "C",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "831-761-5488",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Watsonville, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.