Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LAN DIEM TRAN DO
NPI 1114620598
Internal Medicine in Fresno, CA

Active since March 23, 2023PECOS Enrolled
155 N FRESNO ST, FRESNO, CA 93701(559) 499-6500 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Aug 19, 2026, Mar 23, 2023 (2 updates tracked since 2023).

About Lan Diem Tran Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAN DIEM TRAN DO (NPI 1114620598) is an individual internal medicine provider in Fresno, California, licensed in California (23992) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114620598
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLAN DIEM TRANCredential: DO
Location Address155 N FRESNO STFresno, CA 93701-2302
Mailing Address155 N Fresno StFresno, CA 93701-2302 · (559) 499-6500
Sole ProprietorNo
Enumeration DateMarch 23, 2023
Last NPPES UpdateAugust 19, 20262 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
NPI 1114620598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · 23992
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
155 N FRESNO ST, Fresno, CA 93701

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Lan Diem Tran Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
155 N FRESNO ST
FRESNO, CA 93701
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Pediatrics (Adolescent Medicine)
155 N FRESNO ST, STE 326
FRESNO, CA 93701
Internal Medicine (Infectious Disease)
155 N FRESNO ST
FRESNO, CA 93701
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lan Tran's NPI number?

The NPI number for Lan Tran is 1114620598. It was assigned to this individual provider in the NPPES registry on March 23, 2023.

Where is Lan Tran located?

Lan Tran practices at 155 N Fresno St, Fresno, CA 93701. The listed phone number is (559) 499-6500.

What is Lan Tran's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lan Tran enrolled in Medicare?

Yes. Lan Tran is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lan Tran was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.