Specialty Obstetrics of San Diego

Primary specialty

Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X

License

G80714 Issued in CA

Legal business name

SPECIALTY OBSTETRICS OF SAN DIEGO

Practice address

3750 Convoy St Ste 200
San Diego, CA 92111-3770

Phone

(858) 794-7700

Fax

(858) 794-7744

NPI assigned

Sep 8, 2009

Organization subpart

No

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

Authorized official

Name

Dr. Deborah C Malone Jr., RN

Title

Director of Operations

Phone

(858) 794-7700

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

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 5

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

• Jennifer Ahn, M.D.

  • Maternal & Fetal Medicine Physician
  • San Diego, CA
  • NPI 1972673879
  Medicare reassignment Care Compare group NPD
• David D' Arcy Dowling Jr., MD

  • Maternal & Fetal Medicine Physician
  • San Diego, CA
  • NPI 1083785844
  Medicare reassignment Care Compare group NPD
• Yvonne Gollin, M.D.

  • Obstetrics & Gynecology Physician
  • Loma Linda, CA
  • NPI 1790899300
  Medicare reassignment Care Compare group NPD
• Michelle Tu Anh Nguyen, MD

  • Maternal & Fetal Medicine Physician
  • San Diego, CA
  • NPI 1104364017
  Medicare reassignment Care Compare group NPD
• Janet Margaret Horenstein, MD

  • Maternal & Fetal Medicine Physician
  • Los Angeles, CA
  • NPI 1588759062
  Medicare reassignment NPD

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

{
    "created_epoch": "1252368000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760918400000",
    "number": "1447583570",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3750 CONVOY ST STE 200",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921113770",
            "telephone_number": "858-794-7700",
            "fax_number": "858-794-7744"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3750 CONVOY ST STE 200",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921113770",
            "telephone_number": "858-794-7700",
            "fax_number": "858-794-7744"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SPECIALTY OBSTETRICS OF SAN DIEGO",
        "organizational_subpart": "NO",
        "enumeration_date": "2009-09-08",
        "last_updated": "2025-10-20",
        "certification_date": "2025-10-20",
        "status": "A",
        "authorized_official_last_name": "MALONE",
        "authorized_official_first_name": "DEBORAH",
        "authorized_official_middle_name": "C",
        "authorized_official_title_or_position": "DIRECTOR OF OPERATIONS",
        "authorized_official_telephone_number": "858-794-7700",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_name_suffix": "Jr.",
        "authorized_official_credential": "RN"
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "CA",
            "license": "G80714",
            "primary": true
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "CA",
            "license": "G47611",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Maternal & Fetal Medicine Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Maternal & Fetal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 20, 2025; 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.