Mary Hoon Oh, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

A201891 Issued in CA

Practice address

11370 Anderson St Ste 2100
Loma Linda, CA 92354-3450

Phone

(909) 558-2822

NPI assigned

May 4, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

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

General Surgery

Education

Saint Louis University School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Faculty Physicians and Surgeons of LlusmGroup PAC ID 1153227814, 1,313 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Loma Linda University Medical Center Hospital, Loma Linda, CA, CCN 050327

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: moh1262025@direct.llu.edu
• Direct secure messaging: moh232532@directhoustonmethodist.org

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.

• Faculty Physicians and Surgeons of Llusm

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Apple Valley, CA
  • NPI 1205009917
  Medicare reassignment Care Compare group NPD
• Faculty Physicians and Surgeons of Llusm

  • Internal Medicine Physician
  • Loma Linda, CA
  • NPI 1366492399
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Family Medicine Physician
  • Moreno Valley, CA
  • NPI 1558788331
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Orthopaedic Surgery Physician
  • Loma Linda, CA
  • NPI 1275582918
  NPD (past)

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

• Loma Linda University Medical Center

  • General Acute Care Hospital
  • Loma Linda, CA
  • NPI 1194731935
  Care Compare affiliation

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

{
    "created_epoch": "1556928000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754438400000",
    "number": "1124683297",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11175 CAMPUS ST RM 21111",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501700",
            "telephone_number": "909-558-4286"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11370 ANDERSON ST STE 2100",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923543450",
            "telephone_number": "909-558-2822"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6550 Fannin St Ste Sm1661",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770302717",
            "country_code": "US",
            "telephone_number": "713-363-9604",
            "fax_number": "713-791-5126",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OH",
        "first_name": "MARY",
        "middle_name": "HOON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-05-04",
        "last_updated": "2025-08-06",
        "certification_date": "2025-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A201891",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hanny Oey, CPNP-AC
• Judith Haejin Oh Leonor, DO
• Albert Eunsuk Oh, DDS
• Ashley Oh
• Elizabeth Hana Oh
• Soojin Oh, D,D,S
• Anayo A. Ohiri, PHARMD
• Ai Ohno, MD
• Shannon Oien, N.P.
• Chinwe Stella Ojukwu, M.D.

• Surgery Physician in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 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.