Individual provider Active NPI

Christina Poh, M.D.

  • Hematology (Internal Medicine) Physician
  • Duarte, CA
National Provider Identifier
1174943518
Registry record updated Sep 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X
License
A138708 Issued in CA
Practice address
1500 Duarte Rd
Duarte, CA 91010-3012
Phone
(800) 826-4673
NPI assigned
Apr 24, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 18, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X MD61068894 WA
Hematology (Internal Medicine) Physician 207RH0000X A138708 CA Primary

Addresses

Primary practice location

1500 Duarte Rd
Duarte, CA 91010-3012

Mailing address

PO Box 512185
Los Angeles, CA 90051-0185

Other identifiers 1

IdentifierTypeStateIssuer
1174943518MedicaidWA

Other names 1

  • Dr. Christina Poh Ratanatharathorn Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address direct@cityofhope.direct-ci.com Direct CITY OF HOPE MEDICAL FOUNDATION

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250702004049 CA Practitioner - Hematology 7214355080 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians

Practice addresses (Care Compare)

1500 Duarte Rd
Duarte, CA 91010-3012
Phone (626) 256-4673

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as apm
Quality
74.6
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A138708CAMDHematology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
City of Hope Medical Foundation Hematology & Oncology CurrentSince Jul 15, 2025 Accepting new patients

Locations

1500 Duarte Rd
Duarte, CA 91010
Phone (626) 359-8111

209 Fair Oaks Ave
South Pasadena, CA 91030
Phone (626) 359-8111

Interoperability endpoints

  • Direct secure messaging: cpoh268798@cityofhope.direct-ci.com
  • Direct secure messaging: direct@cityofhope.direct-ci.com

Organizations & group practices 1

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1398297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1174943518",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 512185",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900510185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 DUARTE RD",
            "city": "DUARTE",
            "state": "CA",
            "postal_code": "910103012",
            "telephone_number": "800-826-4673"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POH",
        "first_name": "CHRISTINA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-24",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WA",
            "license": "MD61068894",
            "primary": false
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "CA",
            "license": "A138708",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1174943518",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1500 Duarte Rd",
            "city": "Duarte",
            "state": "CA",
            "country_code": "US",
            "postal_code": "910103012",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "CHRISTINA",
            "last_name": "RATANATHARATHORN",
            "middle_name": "POH",
            "prefix": "DR.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Duarte, CA

Sources for this page

Verify at the official NPI Registry.