Individual provider Active NPI

Lan Diem Tran, DO

  • Internal Medicine Physician
  • Fresno, CA
National Provider Identifier
1114620598
Registry record updated Aug 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
23992 Issued in CA
Practice address
155 N Fresno St
Fresno, CA 93701-2302
Phone
(559) 499-6500
NPI assigned
Mar 23, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 23992 CA Primary

Addresses

Primary practice location

155 N Fresno St
Fresno, CA 93701-2302

Mailing address

155 N Fresno St
Fresno, CA 93701-2302
Phone (559) 499-6500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Osteopathy

Interoperability endpoints

  • Direct secure messaging: lan.tran.1@17661.direct.athenahealth.com

NPI Registry JSON

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

{
    "created_epoch": "1679529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1114620598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "155 N FRESNO ST",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937012302",
            "telephone_number": "559-499-6500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 N FRESNO ST",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937012302",
            "telephone_number": "559-499-6500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRAN",
        "first_name": "LAN",
        "middle_name": "DIEM",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-23",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "23992",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fresno, CA

Sources for this page

Verify at the official NPI Registry.