Hong Seok Lee, M.D.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

A143427 Issued in CA

Practice address

100 W California Blvd
Pasadena, CA 91105-3010

Phone

(626) 352-1444

NPI assigned

Aug 6, 2015

Last updated

Jul 8, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA, AZ2 enrollments

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 2

Specialty

HospitalistAlso: Internal Medicine

Education

Other, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Cedars-Sinai Medical Care FoundationGroup PAC ID 0941106645, 1,684 clinicians

Sycamore Hill Hospitalist Medical Group IncGroup PAC ID 1951646249, 16 clinicians

Hospitalist Group of Montebello IncGroup PAC ID 2264715143, 55 clinicians

Banner Cancer Center Specialists LLCGroup PAC ID 6103097779, 343 clinicians

Riverside Medical Clinic IncGroup PAC ID 2961492327, 173 clinicians

Banner - University Physician Specialists LLCGroup PAC ID 5991008054, 343 clinicians

Corona Hospitalist Medical Group, IncGroup PAC ID 0244484525, 14 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Banner - University Medical Center Phoenix Hospital, Phoenix, AZ, CCN 030002
• Corona Regional Medical Center Hospital, Corona, CA, CCN 050329
• Hollywood Presbyterian Medical Center Hospital, Los Angeles, CA, CCN 050063
• Huntington Hospital Hospital, Pasadena, CA, CCN 050438
• Banner Gateway Medical Center Hospital, Gilbert, AZ, CCN 030122

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 43)

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Cedars-Sinai Medical Care Foundation

  • Specialist
  • Los Angeles, CA
  • NPI 1316984388
  Medicare reassignment Care Compare group NPD
• Corona Hospitalist Medical Group, Inc.

  • Internal Medicine Physician
  • Corona, CA
  • NPI 1477832871
  Medicare reassignment Care Compare group NPD
• Hospitalist Group of Montebello Inc

  • Hospitalist Physician
  • Corona, CA
  • NPI 1578959318
  Medicare reassignment Care Compare group NPD
• Riverside Medical Clinic, Inc

  dba Riverside Medical Clinic

  • Dermatology Physician
  • Riverside, CA
  • NPI 1720183403
  Medicare reassignment Care Compare group NPD
• Sycamore Hill Hospitalist Medical Group Inc

  • Hospitalist Physician
  • Los Angeles, CA
  • NPI 1588139836
  Medicare reassignment Care Compare group NPD
• Banner - University Physician Specialists LLC

  • Multi-Specialty Clinic/Center
  • Phoenix, AZ
  • NPI 1437529245
  Medicare reassignment Care Compare group NPD
• Banner Cancer Center Specialists LLC

  • Oncology Clinic/Center
  • Phoenix, AZ
  • NPI 1518253152
  Medicare reassignment Care Compare group NPD
• Astrana Care Hospitalists, a Medical Corporation

  • Hospitalist Physician
  • Alhambra, CA
  • NPI 1265658595
  Medicare reassignment NPD
• Ca Hospital Hospitalist Medical Group Inc

  • Hospitalist Physician
  • Los Angeles, CA
  • NPI 1114483146
  Medicare reassignment NPD
• Cedar Springs Hospitalist Medical Group, Inc.

  • Hospitalist Physician
  • Glendale, CA
  • NPI 1245799279
  Medicare reassignment NPD
• Hospitalist Medicine Physicians of California, Inc

  • Internal Medicine Physician
  • Apple Valley, CA
  • NPI 1184663965
  Medicare reassignment NPD
• Im-FSR Inc.

  • Hospitalist Physician
  • Chino Hills, CA
  • NPI 1154742229
  Medicare reassignment NPD

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

• Cha Hollywood Medical Center, LP

  dba Hollywood Presbyterian Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1922033547
  Care Compare affiliation
• Pasadena Hospital Association, LTD

  dba Huntington Hospital

  • General Acute Care Hospital
  • Pasadena, CA
  • NPI 1407828429
  Care Compare affiliation
• Uhs-Corona Inc

  dba Corona Regional Medical Center

  • General Acute Care Hospital
  • Corona, CA
  • NPI 1457347239
  Care Compare affiliation
• Banner - University Medical Center Phoenix

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1841224870
  Care Compare affiliation
• Banner Gateway Medical Center

  • General Acute Care Hospital
  • Gilbert, AZ
  • NPI 1699884858
  Care Compare affiliation

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

{
    "created_epoch": "1438819200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751932800000",
    "number": "1750767273",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2101 N WATERMAN AVE",
            "address_2": "MEDICAL STAFF OFFICE",
            "city": "SAN BERNARDINO",
            "state": "CA",
            "postal_code": "924044836",
            "telephone_number": "954-290-1746"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 W CALIFORNIA BLVD",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053010",
            "telephone_number": "626-352-1444"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2101 N Waterman Ave",
            "address_2": "Medical staff office",
            "address_purpose": "LOCATION",
            "city": "San Bernardino",
            "state": "CA",
            "postal_code": "92404",
            "country_code": "US",
            "telephone_number": "954-290-1746",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEE",
        "first_name": "HONG SEOK",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-08-06",
        "last_updated": "2025-07-08",
        "certification_date": "2025-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A143427",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A143427",
            "primary": true
        },
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "THE MEDICAL BOARD OF CALIFORNIA",
            "identifier": "A143427",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Dong Eun Lee, LMFT
• Eric J Lee, M.D.
• Eun Hee Lee, MFT
• Frederick Ock-Horn Lee, MD
• Grace Lee
• Ian C Lee, M.D.
• Ian Scott Lee
• Ivy Ann Lee, M.D.
• Janice Lee
• Jeffrey Lee, PT

• Hospitalist Physician in Pasadena, CA
• Providers in Pasadena, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 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.