Yonatan Mahller, MD, PHD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

A117135 Issued in CA

Practice address

320 Superior Ave Ste 290
Newport Beach, CA 92663-6140

Phone

(949) 375-8244

Fax

(949) 398-9812

NPI assigned

Aug 16, 2009

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Obstetrics/Gynecology

Education

University of Cincinnati College of Medicine, 2009

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/DIIHAD/Endpoint/DIIHAD

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.

• Yonatan Mahller MD PHD Inc

  • Obstetrics & Gynecology Physician
  • Newport Beach, CA
  • NPI 1063833184
  Medicare reassignment NPD Authorized official
• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  NPD (past)
• Pablo P. Prietto, M.D. Inc

  • Orthopaedic Surgery Physician
  • Orange, CA
  • NPI 1912160177
  NPD (past)

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

• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  Care Compare affiliation

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

{
    "created_epoch": "1250380800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1396977930",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "320 SUPERIOR AVE STE 290",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926636140",
            "telephone_number": "949-375-8244",
            "fax_number": "949-398-9812"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 SUPERIOR AVE STE 290",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926636140",
            "telephone_number": "949-375-8244",
            "fax_number": "949-398-9812"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHLLER",
        "first_name": "YONATAN",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-08-16",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A117135",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CA LICENSE",
            "identifier": "A117135",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Magdi Messiha MD Inc
• Shana Maghsoodi, PT
• Maher M Saleeb, M.D., Inc
• Mahin G Farzin DDS Inc
• Mahin G Farzin, DDS Inc
• Sharmeen Mahmood
• Sharmeen Mahmud, LMFT
• Mahnaz Behboodikhah MD Inc
• Isabella Mai
• Angela Mains, LCSW

• Obstetrics & Gynecology Physician in Newport Beach, CA
• Providers in Newport Beach, CA by specialty
• Obstetrics & Gynecology 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; 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.