Individual provider Active NPI

Rebecca Winderman, MD

  • Pediatric Gastroenterology Physician
  • Los Angeles, CA
National Provider Identifier
1790068120
Registry record updated Aug 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Gastroenterology PhysicianTaxonomy code 2080P0206X
License
C200560 Issued in CA
Practice address
1046 S Plymouth Blvd
Los Angeles, CA 90019-6823
Phone
(917) 671-8142
Fax
(877) 286-3844
NPI assigned
Sep 22, 2011
Last updated
Aug 23, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Gastroenterology Physician 2080P0206X C200560 CA Primary

Addresses

Primary practice location

1046 S Plymouth Blvd
Los Angeles, CA 90019-6823

Mailing address

1046 S Plymouth Blvd
Los Angeles, CA 90019-6823
Phone (917) 671-8142

Other practice location 1

4650 W Sunset Blvd
Los Angeles, CA 90027-6062
Phone (323) 660-2450

Other names 1

  • Rebecca Winderman Professional name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20181129001642 NY Practitioner - Pediatric MedicinePractitioner - Gastroenterology 8921342189 Reassigns benefits to 3 organizations
I20250325002679 CA Practitioner - Gastroenterology 8921342189 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C200560CAMDPediatric Gastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
TJH Medical Services, P.C. CurrentSince Nov 19, 2019 Accepting new patients
Children's Hospital Los Angeles Medical Group, Inc. CurrentSince Feb 13, 2025 Accepting new patients
Jamaica Hospital CurrentSince Oct 6, 2018 Accepting new patients
Flushing Hospital & Medical Center CurrentSince Oct 1, 2020 Accepting new patients
Flushing Hospital Medical Center CurrentSince Oct 1, 2020 Accepting new patients
Jamaica Hospital CurrentSince Oct 6, 2018 Accepting new patients

Locations

4650 W Sunset Blvd
Los Angeles, CA 90027
Phone (323) 361-2122

4650 W Sunset Blvd
#87
Los Angeles, CA 90027

14601 45th Ave
Flushing, NY 11355
Phone (718) 670-5562

4500 Parsons Blvd
Flushing, NY 11355
Phone (718) 670-5631

11940 Metropolitan Ave
Kew Gardens, NY 11415
Phone (718) 849-0839

13303 Jamaica Ave
Richmond Hill, NY 11418
Phone (718) 206-6942

8900 Van Wyck Expy
Richmond Hill, NY 11418
Phone (718) 206-6088

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: rwinderman82996@direct.medisys.org

Organizations & group practices 6

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

NPI Registry JSON

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

{
    "created_epoch": "1316649600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787443200000",
    "number": "1790068120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1046 S PLYMOUTH BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900196823",
            "telephone_number": "917-671-8142",
            "fax_number": "877-286-3844"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1046 S PLYMOUTH BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900196823",
            "telephone_number": "917-671-8142",
            "fax_number": "877-286-3844"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4650 W Sunset Blvd",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900276062",
            "country_code": "US",
            "telephone_number": "323-660-2450",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WINDERMAN",
        "first_name": "REBECCA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-09-22",
        "last_updated": "2026-08-23",
        "certification_date": "2026-08-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "CA",
            "license": "C200560",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "REBECCA",
            "last_name": "WINDERMAN",
            "credential": "MD",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.