Emmett Berg DO Inc. and Holvey Medical Group Inc.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

EMMETT BERG DO INC. AND HOLVEY MEDICAL GROUP INC.

Doing business as

Healthline Medical Group

Practice address

15211 Vanowen St
Suite 105
Van Nuys, CA 91405-3606

Phone

(818) 997-7711

Fax

(818) 997-3744

NPI assigned

Feb 23, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Miss Rita Gaudioso

Title

Administrator

Phone

(818) 997-7711

Specialties & licenses 2

Addresses

Other names 1

• Healthline Medical Group Doing business as

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

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 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Emmett A. Berg, D.O.

  • Adult Medicine Physician
  • Van Nuys, CA
  • NPI 1942382007
  Medicare reassignment Care Compare group NPD
• Barry S. Rosenblum, D.O.

  • Adult Medicine Physician
  • Van Nuys, CA
  • NPI 1740361096
  Medicare reassignment Care Compare group NPD
• Gary Igor Reyzin, MD

  • Internal Medicine Physician
  • Woodland Hills, CA
  • NPI 1871779769
  Medicare reassignment NPD

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

{
    "created_epoch": "1172188800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1194850446",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15211 VANOWEN ST",
            "address_2": "SUITE 105",
            "city": "VAN NUYS",
            "state": "CA",
            "postal_code": "914053606",
            "telephone_number": "818-997-7711",
            "fax_number": "818-997-3744"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15211 VANOWEN ST",
            "address_2": "SUITE 105",
            "city": "VAN NUYS",
            "state": "CA",
            "postal_code": "914053606",
            "telephone_number": "818-997-7711",
            "fax_number": "818-997-3744"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "EMMETT BERG DO INC. AND HOLVEY MEDICAL GROUP INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-02-23",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "GAUDIOSO",
        "authorized_official_first_name": "RITA",
        "authorized_official_title_or_position": "ADMINISTRATOR",
        "authorized_official_telephone_number": "818-997-7711",
        "authorized_official_name_prefix": "Miss"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Healthline Medical Group",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• Internal Medicine Physician in Van Nuys, CA
• Providers in Van Nuys, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.