TRUCLINH THI NGUYEN D.O.
NPI 1134385685
Internal Medicine in Loma Linda, CA

Q: What is Truclinh Nguyen's NPI number?

The NPI number for Truclinh Nguyen is 1134385685. It was assigned to this individual provider in the NPPES registry on August 4, 2008.

Q: What is Truclinh Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Truclinh Nguyen was last updated on August 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.

Active since August 04, 2008PECOS Enrolled

85.54/100

CMS Quality Rating

11234 ANDERSON ST, HOUSE STAFF OFFICE CP 21005, LOMA LINDA, CA 92354(909) 558-8131 Get Directions Write a Review

NPPES record last updated: August 4, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Truclinh Thi Nguyen D.o. NPPES

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

TRUCLINH THI NGUYEN D.O. (NPI 1134385685) is an individual internal medicine provider in Loma Linda, California, licensed in California (20A10470) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1134385685

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameTRUCLINH THI NGUYENCredential: D.O.

Location Address11234 ANDERSON ST, HOUSE STAFF OFFICE CP 21005Loma Linda, CA 92354-2804

Mailing Address11234 Anderson St, House Staff Office Cp 21005Loma Linda, CA 92354-2804 · (909) 558-8131

Phone(909) 558-8131

Sole ProprietorNo

Enumeration DateAugust 4, 2008

✔ NPI 1134385685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · 20A10470

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.

11234 ANDERSON ST, Loma Linda, CA 92354

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Truclinh Thi Nguyen D.o. 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.

Medicare Billing Reassignment

Medicare enrollment records show Truclinh Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Riverside Faculty Medical Group Inc

10 mi

Internal Medicine

26520 CACTUS AVE
Moreno Valley, CA 92555

Reassigned Medicare billing, California enrollment
111 clinicians in this Medicare group

NPI 1124032461 (951) 486-5700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

48 services27 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

34 services15 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

13 services13 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

11 services11 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

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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.

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.

85.54/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

67.15

Promoting Interoperability

Improvement Activities

Cost

53.82

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.

ELYSE LAUREN GURAN

Anesthesiology

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4015

SAMUEL COOK CHAMBI

Anesthesiology

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4015

LUIS MIGUEL OLMEDO TEMICH MD

General Practice

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2822

HYUKJE SUNG MD, MA

Preventive Medicine (Occupational Medicine)

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-6491

JEFFERSON BRANCH RICHARDS

Student in an Organized Health Care Education/Training Program

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4074

JOSEPH UNIS M.D.

Radiology (Diagnostic Radiology)

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-8311

MARINA LIU M.D.

Anesthesiology

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4475

JOSEPH M WILKINSON CRNA

Nurse Anesthetist, Certified Registered

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4475

KURT DIETER CAO C.R.N.A.

Nurse Anesthetist, Certified Registered

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-8173

DR. FRANK RANDALL M.D.

Psychiatry & Neurology (Child & Adolescent Psychiatry)

11234 ANDERSON ST, HOUSE STAFF OFFICE CP21005
LOMA LINDA, CA 92354

San Bernardino County (818) 635-7623

VU NGUYEN M.D.

Anesthesiology

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4000

BLAIR H. RACKER D.D.S.

Student in an Organized Health Care Education/Training Program

11234 ANDERSON ST, LLU MEDICAL CENTER: ORAL AND MAXILLOFACIAL SURGERY
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4671

DR. MOOSA AZADIAN M.D.

Internal Medicine (Critical Care Medicine)

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4085

DR. SALLY YOU DO

Psychiatry & Neurology (Neurocritical Care)

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (714) 797-7740

ALICIA DELLEN CRNA, RN

Nurse Anesthetist, Certified Registered

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4000

EMELYN MAGTANONG

Student in an Organized Health Care Education/Training Program

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2822

JONATHAN BLEASE HILL MD

Student in an Organized Health Care Education/Training Program

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4196

KARI DIANE KENNEDY MD

Student in an Organized Health Care Education/Training Program

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2600

DR. JOSEPH DAVID HUTTON MD

Student in an Organized Health Care Education/Training Program

11234 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-6444

ASHNA KHANNA DO

Pediatrics

11234 ANDERSON ST, GME OFFICE WESTERLY SUITE C
LOMA LINDA, CA 92354

San Bernardino County (909) 558-4174

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 Truclinh Nguyen's NPI number?

The NPI number for Truclinh Nguyen is 1134385685. It was assigned to this individual provider in the NPPES registry on August 4, 2008.

Where is Truclinh Nguyen located?

Truclinh Nguyen practices at 11234 Anderson St House Staff Office Cp 21005, Loma Linda, CA 92354. The listed phone number is (909) 558-8131.

What is Truclinh Nguyen's specialty?

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

Is Truclinh Nguyen enrolled in Medicare?

Yes. Truclinh Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Truclinh Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Truclinh Nguyen reassigns Medicare benefits to Riverside Faculty Medical Group Inc (Moreno Valley, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Truclinh Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Truclinh Nguyen was last updated on August 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.