DR. REX H TRUONG M.D.
NPI 1174619282
Health Maintenance Organization in Bakersfield, CA

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment
8800 MING AVE., BAKERSFIELD, CA 93311(661) 664-3700 Get Directions Write a Review

NPPES record last updated: November 1, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Rex H Truong M.d. NPPES

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

DR. REX H TRUONG M.D. (NPI 1174619282) is an individual health maintenance organization provider in Bakersfield, California, licensed in California (A80200) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1174619282
Entity TypeIndividualMale
Primary Taxonomy302R00000X
Provider Legal NameDR. REX H TRUONGCredential: M.D.
Location Address8800 MING AVE.Bakersfield, CA 93311
Mailing AddressPo Box 12099Bakersfield, CA 93389-2099 · (661) 664-3700
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateOctober 5, 2006
Last NPPES UpdateNovember 1, 2021
NPPES CertifiedNovember 1, 2021
✔ NPI 1174619282 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHealth Maintenance OrganizationManaged Care Organizations
Taxonomy Code302R00000X
License✔ Licensed in CA · A80200
Definition
(1) A form of health insurance in which its members prepay a premium for the HMO's health services which generally include inpatient and ambulatory care. For the patient, an HMO means reduced out-of-pocket costs (i.e. no deductible), no paperwork (i.e. insurance forms), and only a small copayment for each office visit to cover the paperwork handled by the HMO; (2) A organization of health care personnel and facilities that provides a comprehensive range of health services to an enrolled population for a fixed sum of money paid in advance for a specified period of time. These health services include a wide variety of medical treatments and consults, inpatient and outpatient hospitalization, home health service, ambulance service, and sometimes dental and pharmacy services. The HMO may be organized as a group model, an individual practice association (IPA), a network model or a staff model.
8800 MING AVE., Bakersfield, CA 93311

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Rex H Truong M.d. 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 ID8325942790
PECOS Enrollment IDI20031126000361
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 Rex Truong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
9100 ROSEDALE HWY
Bakersfield, CA 93312
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group

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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
13 services12 patients

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 Rex Truong's NPI number?

The NPI number for Rex Truong is 1174619282. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Rex Truong located?

Rex Truong practices at 8800 Ming Ave., Bakersfield, CA 93311. The listed phone number is (661) 664-3700.

What is Rex Truong's specialty?

The primary specialty registered for this NPI is Health Maintenance Organization with taxonomy code 302R00000X.

Is Rex Truong enrolled in Medicare?

Yes. Rex Truong 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.

Which organization bills Medicare for Rex Truong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rex Truong reassigns Medicare benefits to Southern California Permanente Medical Group (Bakersfield, 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 Rex Truong'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 Rex Truong was last updated on November 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.