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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. TUAN DANG NGUYEN DO
NPI 1164959185
Internal Medicine - Nephrology in Westminster, CA

Active since May 22, 2017PECOS Enrolled
8102 WESTMINSTER BLVD STE E, WESTMINSTER, CA 92683(714) 808-3080 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Aug 22, 2024, May 4, 2022 and 2 more (5 updates tracked since 2017).

About Dr. Tuan Dang Nguyen Do NPPES

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

DR. TUAN DANG NGUYEN DO (NPI 1164959185) is an individual nephrology provider in Westminster, California, licensed in California (20A18461) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rosemead, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2017).

NPPES Registry Identity

NPI1164959185
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. TUAN DANG NGUYENCredential: DO
Location Address8102 WESTMINSTER BLVD STE EWestminster, CA 92683-3363
Mailing Address18627 Brookhurst St # 530Fountain Valley, CA 92708-6748 · (714) 808-3080
Phone(714) 808-3080
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2017
Enumeration DateMay 22, 2017
Last NPPES UpdateJuly 13, 20265 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1164959185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · 20A18461
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License S4200 (TX)
Also ListedGeneral PracticeTaxonomy 208D00000X · License S4200 (TX)
8102 WESTMINSTER BLVD STE E, Westminster, CA 92683
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Secondary Practice Location 1

Location 19120 Valley BlvdRosemead, CA 91770-1920 · Phone (626) 573-9003

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. Tuan Dang Nguyen Do 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 ID5496023624
PECOS Enrollment IDI20220523002402
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 3

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 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.
99 services55 patients
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.
17 services11 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 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.

AN MEDICAL CENTER
Internal Medicine (Nephrology)
8102 WESTMINSTER BLVD STE E
WESTMINSTER, CA 92683
Orange County (714) 808-3080

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 Tuan Nguyen's NPI number?

The NPI number for Tuan Nguyen is 1164959185. It was assigned to this individual provider in the NPPES registry on May 22, 2017.

Where is Tuan Nguyen located?

Tuan Nguyen practices at 8102 Westminster Blvd Ste E, Westminster, CA 92683. The listed phone number is (714) 808-3080.

What is Tuan Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Tuan Nguyen enrolled in Medicare?

Yes. Tuan 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 Tuan Nguyen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.