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TUNG CONG NGUYEN D.O.
NPI 1285679449
Family Medicine in Santa Ana, CA

Active since June 19, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0977195 · Waiver
2509 W 1ST ST, SANTA ANA, CA 92703(714) 541-0057(714) 541-0047 Get Directions Write a Review

NPPES record last updated: November 10, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Tung Cong Nguyen D.o. NPPES

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

TUNG CONG NGUYEN D.O. (NPI 1285679449) is an individual family medicine provider in Santa Ana, California, licensed in California (20A5784) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through August 21, 2026, and is a graduate of Ohio University, College Of Osteopathic Medicine (1987).

NPPES Registry Identity

NPI1285679449
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameTUNG CONG NGUYENCredential: D.O.
Location Address2509 W 1ST STSanta Ana, CA 92703-3401
Mailing AddressPo Box 9869Fountain Valley, CA 92728-9869 · (714) 697-7735
Phone(714) 541-0057
Fax(714) 541-0047
Sole ProprietorYes
Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 1987
Enumeration DateJune 19, 2006
Last NPPES UpdateNovember 10, 2010
✔ NPI 1285679449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A5784
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2509 W 1ST ST, Santa Ana, CA 92703
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Other Identifiers 3

Medicare UPINE75387CA
MedicaidOOAX57840CA
Medicare PIN20A5784CA

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

Tung Cong Nguyen D.o. 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 ID345424073
PECOS Enrollment IDI20110405000289
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 05D0977195

Tung C Nguyen Do · Santa Ana, CA
Active · expires Aug 21, 2026
CLIA Number05D0977195
Laboratory TypePhysician Office
Certificate Effective DateAugust 22, 2024
Certificate Expiration DateAugust 21, 2026
Laboratory DirectorTung C. Nguyen MD
Laboratory Phone(714) 541-0057
Laboratory LocationTung C Nguyen Do2509 W First St, Santa Ana, CA 92703
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

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.
88 services33 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.
25 services14 patients
Insertion of needle into vein (3 years or older) 36410
This procedure involves placing a small needle into a vein, typically in the arm. It's done to collect blood for testing or to deliver medication. You may feel a quick pinch, but it's usually over in seconds. It's a common, safe procedure.
18 services13 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
16 services16 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.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92703 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers14 claims26 services$4.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Tung Nguyen's NPI number?

The NPI number for Tung Nguyen is 1285679449. It was assigned to this individual provider in the NPPES registry on June 19, 2006.

Where is Tung Nguyen located?

Tung Nguyen practices at 2509 W 1st St, Santa Ana, CA 92703. The listed phone number is (714) 541-0057.

What is Tung Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Tung Nguyen enrolled in Medicare?

Yes. Tung 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.

Does Tung Nguyen hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0977195) is associated with this NPI, valid through August 21, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Tung Nguyen was last updated on November 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.