Gretel Dayna D'Souza, M.D.

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

178675 Issued in CA

Practice address

14445 Olive View Dr
Sylmar, CA 91342-1437

Phone

(747) 210-3205

Fax

(805) 569-8358

NPI assigned

May 7, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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 1

Specialty

Rheumatology

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lakeside Medical Organization a Medical Group IncGroup PAC ID 7618005166, 64 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gretel.dsouza.p1@direct.lakeside.nextgenshare.com

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.

• Lakeside Medical Organization, a Medical Group Inc.

  • Internal Medicine Physician
  • West Hills, CA
  • NPI 1831426642

  Rheumatology

  Medicare reassignment Care Compare group NPD
• Lakeside Medical Associates, a Medical Group, Inc.

  dba Lakeside Community Healthcare Medical Group

  • Rheumatology Physician
  • Burbank, CA
  • NPI 1861499535
  NPD (past)

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

{
    "created_epoch": "1557187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1658880000000",
    "number": "1679138531",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14445 OLIVE VIEW DR",
            "city": "SYLMAR",
            "state": "CA",
            "postal_code": "913421437",
            "telephone_number": "747-210-3205",
            "fax_number": "805-569-8358"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14445 OLIVE VIEW DR",
            "city": "SYLMAR",
            "state": "CA",
            "postal_code": "913421437",
            "telephone_number": "747-210-3205",
            "fax_number": "805-569-8358"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "SBCH, Medical Education",
            "address_2": "400 W Pueblo Street",
            "address_purpose": "LOCATION",
            "city": "Santa Barbara",
            "state": "CA",
            "postal_code": "93015",
            "country_code": "US",
            "telephone_number": "805-569-7315",
            "fax_number": "805-569-8358",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "D'SOUZA",
        "first_name": "GRETEL",
        "middle_name": "DAYNA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-05-07",
        "last_updated": "2022-07-27",
        "certification_date": "2022-07-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "178675",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• CRT Programs Inc. (Bel Air Health Services)
• Olivia Z Cruz-Celis
• Casey Cummins, MD
• Ronel Malig Custado
• Mari Josephine Sy Custodio, OTR/L
• Kristine Dabbas
• Andrea Dacoco
• Babak Daftari, M.D.
• Angelina Daghlian
• Tamara Dahhan, D.O.

• Rheumatology Physician in Sylmar, CA
• Providers in Sylmar, CA by specialty
• Rheumatology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 2022; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.