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DR. HOA NGUYEN M.D
NPI 1619931763
Internal Medicine in Westminster, CA

Active since April 14, 2006PECOS EnrolledAccepts Medicare Assignment
5835 WESTMINSTER BLVD, SUITE # A, WESTMINSTER, CA 92683(714) 898-9770(714) 373-3361 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Hoa Nguyen M.d NPPES

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

DR. HOA NGUYEN M.D (NPI 1619931763) is an individual internal medicine provider in Westminster, California, licensed in California (G58722) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1985).

NPPES Registry Identity

NPI1619931763
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. HOA NGUYENCredential: M.D
Location Address5835 WESTMINSTER BLVD, SUITE # AWestminster, CA 92683-9109
Mailing Address5835 Westminster Blvd, Suite # AWestminster, CA 92683-9109 · (714) 898-9770 · Fax (714) 373-3361
Phone(714) 898-9770
Fax(714) 373-3361
Sole ProprietorYes
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 1985
Enumeration DateApril 14, 2006
Last NPPES UpdateMarch 7, 2023
✔ NPI 1619931763 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 · G58722
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.
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License G58722 (CA)
5835 WESTMINSTER BLVD, Westminster, CA 92683
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Other Identifiers 2

Medicaid00G587221CA
OtherG58722CA · License

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

Dr. Hoa Nguyen 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 ID7911193214
PECOS Enrollment IDI20101129001003
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 5

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.
241 services113 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
64 services64 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
28 services28 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
25 services25 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
18 services18 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

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

HOA NGUYEN, M.D., INC.
Internal Medicine
5835 WESTMINSTER BLVD, SUITE A
WESTMINSTER, CA 92683
Orange County (714) 898-9770

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 Hoa Nguyen's NPI number?

The NPI number for Hoa Nguyen is 1619931763. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Hoa Nguyen located?

Hoa Nguyen practices at 5835 Westminster Blvd Suite # A, Westminster, CA 92683. The listed phone number is (714) 898-9770.

What is Hoa Nguyen's specialty?

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

Is Hoa Nguyen enrolled in Medicare?

Yes. Hoa Nguyen 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 Hoa Nguyen was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.