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PAUL T. DUONG M.D.
NPI 1023181658
Internal Medicine in Westminster, CA

Active since November 15, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0949011 · Waiver
9433 BOLSA AVE, SUITE # A, WESTMINSTER, CA 92683(714) 839-7332 Get Directions Write a Review

NPPES record last updated: November 17, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Paul T. Duong M.d. NPPES

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

PAUL T. DUONG M.D. (NPI 1023181658) is an individual internal medicine provider in Westminster, California, licensed in California (G66325) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through July 22, 2028, and is a graduate of University Of Southern California Keck School Of Medicine (1988).

NPPES Registry Identity

NPI1023181658
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePAUL T. DUONGCredential: M.D.
Location Address9433 BOLSA AVE, SUITE # AWestminster, CA 92683-5964
Mailing Address9433 Bolsa Ave, Suite # AWestminster, CA 92683-5964 · (714) 839-7332
Phone(714) 839-7332
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1988
Enumeration DateNovember 15, 2006
Last NPPES UpdateNovember 17, 2012
✔ NPI 1023181658 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 · G66325
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.
9433 BOLSA AVE, Westminster, CA 92683
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Other Identifiers 3

Medicare UPINF57106CA
Medicaid00G663251CA
Medicare ID-Type UnspecifiedG66325CA

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

Paul T. Duong 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 ID5294710125
PECOS Enrollment IDI20040623000918
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0949011

Paul T Duong MD · Westminster, CA
Active · expires Jul 22, 2028
CLIA Number05D0949011
Laboratory TypePhysician Office
Certificate Effective DateJuly 23, 2026
Certificate Expiration DateJuly 22, 2028
Laboratory DirectorPaul T. Duong MD
Laboratory Phone(714) 839-7332
Laboratory LocationPaul T Duong MD9433 Bolsa Avenue #a, Westminster, CA 92683
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 7

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.
824 services120 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
89 services40 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
75 services56 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
59 services59 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
54 services53 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
40 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92683 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 4

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

PAUL T. DUONG, M.D., INC
Clinic/Center (Primary Care)
9433 BOLSA AVE, SUITE # A
WESTMINSTER, CA 92683
Orange County (714) 839-7332
SOUTHERN CALIFORNIA SPINE AND PAIN INSTITUTE
Pain Medicine (Pain Medicine)
9433 BOLSA AVE, #B
WESTMINSTER, CA 92683
Orange County (714) 234-5826
P & T VENTURE, INC
Pharmacy (Community/Retail Pharmacy)
9433 BOLSA AVE, SUITE B
WESTMINSTER, CA 92683
Orange County (714) 891-5280
MR. THO DAC TRAN RPH
Pharmacist
9433 BOLSA AVE, STE. B
WESTMINSTER, CA 92683
Orange County (714) 531-8770

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 Paul Duong's NPI number?

The NPI number for Paul Duong is 1023181658. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Paul Duong located?

Paul Duong practices at 9433 Bolsa Ave Suite # A, Westminster, CA 92683. The listed phone number is (714) 839-7332.

What is Paul Duong's specialty?

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

Is Paul Duong enrolled in Medicare?

Yes. Paul Duong 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.

Does Paul Duong hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0949011) is associated with this NPI, valid through July 22, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Paul Duong was last updated on November 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.