NPIMap

Individual provider Active NPI

Rex Jay Winters, MD

  • Cardiovascular Disease Physician
  • Cypress, CA
National Provider Identifier
1477584191
Registry record updated Apr 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
G65833 Issued in CA
Practice address
10601 Walker St Ste 100
Cypress, CA 90630-4744
Phone
(562) 279-6583
NPI assigned
Jul 5, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X G65833 CA Primary

Addresses

Primary practice location

10601 Walker St Ste 100
Cypress, CA 90630-4744

Mailing address

10601 Walker St Ste 100
Cypress, CA 90630-4744
Phone (562) 279-6583

Other identifiers 1

IdentifierTypeStateIssuer
ZZZ73964ZOtherCAMEDI-CAL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070403000684 CA Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Peripheral Vascular DiseasePractitioner - Internal Medicine 5294759403 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine, Peripheral Vascular Disease
Education
Harvard Medical School, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pih Health PhysiciansGroup PAC ID 8426951328, 616 clinicians

Practice addresses (Care Compare)

10601 Walker St
Suite 100
Cypress, CA 90630-4744
Phone (562) 279-6583

12675 La Mirada Blvd
Suite 201And401
La Mirada, CA 90638-2200
Phone (562) 903-7339

Hospital & facility affiliations

  • Mission Home Health of Irvine, LLC Home health agency, Irvine, CA, CCN 053149
  • Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224
  • Memorialcare Orange Coast Medical Center Hospital, Fountain Valley, CA, CCN 050678

Merit-based Incentive Payment System (MIPS)

Final score
78.61 of 100Reported as group
Quality
58.7
Improvement activities
40
Cost
75.08

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G65833CAMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Pih Health Physicians Current Accepting new patients
Pih Health Physicians CurrentSince Apr 1, 2021 Accepting new patients
Pih Health Physicians CurrentSince Apr 1, 2021 Accepting new patients
Rex J. Winters,MD ;Inc Cardiovascular Disease Past Accepting new patients
Pih Health Good Samaritan Hospital Past Accepting new patients
Bright Medical Associates, Inc. Past Accepting new patients
Orange Coast Memorial Medical Center Past Accepting new patients
Los Alamitos Medical Center, Inc. Past Accepting new patients
Long Beach Memorial Medical Past Accepting new patients
Rex J Winters, MD; Inc. Cardiovascular Disease Past Accepting new patients
Bristol Park Medical Group, Inc Past Accepting new patients
Rex J. Winters,MD ;Inc Cardiovascular Disease Past Accepting new patients

Locations

10601 Walker St
Ste 100
Cypress, CA 90630
Phone (714) 656-2140

12675 La Mirada Blvd
Ste 201401
La Mirada, CA 90638
Phone (562) 903-7339

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: rwintersmd16254@direct.memorialcare.org
  • Direct secure messaging: rexwinters@pihh.allscriptsdirect.net

Organizations & group practices 12

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1152057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777507200000",
    "number": "1477584191",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10601 WALKER ST STE 100",
            "city": "CYPRESS",
            "state": "CA",
            "postal_code": "906304744",
            "telephone_number": "562-279-6583"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10601 WALKER ST STE 100",
            "city": "CYPRESS",
            "state": "CA",
            "postal_code": "906304744",
            "telephone_number": "562-279-6583"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WINTERS",
        "first_name": "REX",
        "middle_name": "JAY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-05",
        "last_updated": "2026-04-30",
        "certification_date": "2026-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "G65833",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDI-CAL",
            "identifier": "ZZZ73964Z",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Cypress, CA

Sources for this page

Verify at the official NPI Registry.