Individual provider Active NPI

Diane D Tran, MD

  • Advanced Heart Failure and Transplant Cardiology Physician
  • Mission Viejo, CA
National Provider Identifier
1962665786
Registry record updated May 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Advanced Heart Failure and Transplant Cardiology PhysicianTaxonomy code 207RA0001X
License
A135647 Issued in CA
Practice address
26800 Crown Valley Pkwy Ste 250
Mission Viejo, CA 92691-8038
Phone
(949) 364-3570
NPI assigned
Jul 2, 2008
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 15, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 16613 HI
Advanced Heart Failure and Transplant Cardiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RA0001X A135647 CA Primary
Internal Medicine Physician 207R00000X 12218 16015811 1A CT
Cardiovascular Disease Physician 207RC0000X A135647 CA

Addresses

Primary practice location

26800 Crown Valley Pkwy Ste 250
Mission Viejo, CA 92691-8038

Mailing address

11234 Anderson St # 1617
Loma Linda, CA 92350-1716
Phone (909) 558-4754

Other practice location 1

11234 Anderson Stress
1617
Loma Linda, CA 92354
Phone (909) 558-4756

Other names 1

  • Duc Thi Phuc Tran Former name

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
I20210525001418 CA Practitioner - Advanced Heart Failure and Transplant CardiologyPractitioner - Cardiovascular Disease (Cardiology) 9739470873 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Advanced Heart Failure and Transplant CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Faculty Physicians and Surgeons of LlusmGroup PAC ID 1153227814, 1,313 clinicians
Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Practice addresses (Care Compare)

11234 Anderson St
Loma Linda, CA 92354-2804

11370 Anderson St
Loma Linda, CA 92354-3450

26800 Crown Valley Pkwy
Suite 250
Mission Viejo, CA 92691-8038
Phone (949) 364-3570

28078 Baxter Rd
Murrieta, CA 92563-1402
Phone (909) 558-4000

81 Highland Springs Ave
Beaumont, CA 92223-3170
Phone (909) 558-4000

901 San Bernardino Rd
Suite 104And302
Upland, CA 91786-4912
Phone (909) 558-4000

File Number
Suite 54701
Los Angeles, CA 90074-4701

Hospital & facility affiliations

  • Loma Linda University Medical Center Hospital, Loma Linda, CA, CCN 050327
  • Providence Mission Hospital Hospital, Mission Viejo, CA, CCN 050567

Merit-based Incentive Payment System (MIPS)

Final score
88.87 of 100Reported as group
Quality
72.13
Promoting interoperability
80
Improvement activities
40
Cost
77.36

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
12218 16015811 1ACTMDInternal Medicine Physician
A135647CAMDAdvanced Heart Failure and Transplant Cardiology Physician
16613HIMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sac Health System CurrentSince Jan 15, 2023 Accepting new patients
Sac Health System Multi-Specialty Current Accepting new patients
Faculty Physicians and Surgeons of Llusm Multi-Specialty Current Accepting new patients
Faculty Physicians and Surgeons of Llusm Multi-Specialty CurrentSince Jul 1, 2021 Accepting new patients
Faculty Physicians and Surgeons of Llusm Multi-Specialty Current Accepting new patients
Sac Health System CurrentSince Jan 15, 2023 Accepting new patients
Physicians' Hospital of Murrieta, LLC Past Accepting new patients
Faculty Physicians and Surgeons of Llusm Multi-Specialty Past Accepting new patients
Loma Linda University Medical Center Past Accepting new patients

Locations

81 Highland Springs Ave
Ste 103
Beaumont, CA 92223
Phone (909) 558-2830

82934 Civic Center Dr
Indio, CA 92201
Phone (760) 477-0733

11370 Anderson St
Ste 2600
Loma Linda, CA 92354
Phone (909) 558-2890

11234 Anderson St
#1617
Loma Linda, CA 92350
Phone (909) 558-4200

11370 Anderson St
#B100
Loma Linda, CA 92354
Phone (909) 558-2848

11234 Anderson St
Fl 6
Loma Linda, CA 92350

11234 Anderson St
Fl 7
Loma Linda, CA 92350

File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300

1455 3rd Ave
Sn Bernrdno, CA 92408
Phone (909) 382-7146

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: dtran375211@direct.llu.edu

Organizations & group practices 10

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": "1214956800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778803200000",
    "number": "1962665786",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON ST # 1617",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501716",
            "telephone_number": "909-558-4754"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26800 CROWN VALLEY PKWY STE 250",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926918038",
            "telephone_number": "949-364-3570"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11234 Anderson Stress",
            "address_2": "1617",
            "address_purpose": "LOCATION",
            "city": "Loma Linda",
            "state": "CA",
            "postal_code": "92354",
            "country_code": "US",
            "telephone_number": "909-558-4756",
            "fax_number": "909-558-0309",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRAN",
        "first_name": "DIANE",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-07-02",
        "last_updated": "2026-05-15",
        "certification_date": "2026-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "HI",
            "license": "16613",
            "primary": false
        },
        {
            "code": "207RA0001X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "CA",
            "license": "A135647",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "12218 16015811 1A",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "A135647",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "DUC",
            "last_name": "TRAN",
            "middle_name": "THI PHUC",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Mission Viejo, CA

Sources for this page

Verify at the official NPI Registry.