DIEM KIEU THI TRAN MD
NPI 1790168987
Neurological Surgery in Loma Linda, CA

Active since July 07, 2015PECOS EnrolledAccepts Medicare Assignment
85.18/100
CMS Quality Rating
11370 ANDERSON ST # 2600, LOMA LINDA, CA 92354(909) 558-6388 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Sep 15, 2025, May 10, 2022, May 6, 2021 and 1 more (4 updates tracked since 2021).

About Diem Kieu Thi Tran Md NPPES

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

DIEM KIEU THI TRAN MD (NPI 1790168987) is an individual neurological surgery provider in Loma Linda, California, licensed in California (A139908) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and is a graduate of University Of Utah School Of Medicine (2014).

NPPES Registry Identity

NPI1790168987
Entity TypeIndividualFemale
Primary Taxonomy207T00000X
Provider Legal NameDIEM KIEU THI TRANCredential: MD
Location Address11370 ANDERSON ST # 2600Loma Linda, CA 92354-3450
Mailing Address11234 Anderson St Rm 2562bLoma Linda, CA 92354-2804 · (909) 558-4479
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2014
Enumeration DateJuly 7, 2015
Last NPPES UpdateSeptember 15, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2025
NPI 1790168987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Licenses Licensed in CA · A139908 Licensed in WA · MD61135447
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
11370 ANDERSON ST # 2600, Loma Linda, CA 92354

Other Identifiers 1

Medicaid1790168987WA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Diem Kieu Thi Tran Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123327251
PECOS Enrollment IDI20220725000750
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
24 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92354 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

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 Diem Kieu Tran's NPI number?

The NPI number for Diem Kieu Tran is 1790168987. It was assigned to this individual provider in the NPPES registry on July 7, 2015.

Where is Diem Kieu Tran located?

Diem Kieu Tran practices at 11370 Anderson St # 2600, Loma Linda, CA 92354. The listed phone number is (909) 558-6388.

What is Diem Kieu Tran's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Diem Kieu Tran enrolled in Medicare?

Yes. Diem Kieu Tran is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Diem Kieu Tran was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.