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TUAN N NGUYEN MD
NPI 1265530216
Internal Medicine in San Jose, CA

Active since September 20, 2006PECOS Enrolled
200 JOSE FIGUERES AVE STE 380, SAN JOSE, CA 95116(408) 259-0737(408) 259-0649 Get Directions Write a Review

NPPES record last updated: August 17, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Tuan N Nguyen Md NPPES

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

TUAN N NGUYEN MD (NPI 1265530216) is an individual internal medicine provider in San Jose, California, licensed in California (A-49096) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265530216
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTUAN N NGUYENCredential: MD
Location Address200 JOSE FIGUERES AVE STE 380San Jose, CA 95116-1591
Mailing Address200 Jose Figueres Ave Ste 380San Jose, CA 95116-1591 · (408) 259-0737 · Fax (408) 259-0649
Phone(408) 259-0737
Fax(408) 259-0649
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateAugust 17, 2009
✔ NPI 1265530216 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 · A-49096
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.
200 JOSE FIGUERES AVE STE 380, San Jose, CA 95116
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Other Identifiers 3

Medicaid00A490960CA
Medicare OSCAR/certificationBV341Z
Medicare UPINF53222

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tuan N Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Tuan Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Top Care Medical Group Inc
0.9 mi
Family Medicine
2820 ALUM ROCK AVE STE 20
San Jose, CA 95127
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group
NPI 1932665437 (408) 307-0560

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95116 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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 4

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
8 suppliers16 claims37 services$6.26 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers14 claims16 services$1.13 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier12 claims12 services$40.91 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers19 claims19 services$52.27 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

STDK MEDICAL INC.
Internal Medicine
200 JOSE FIGUERES AVE STE 380
SAN JOSE, CA 95116
Santa Clara County (408) 259-0737
CAM VAN HOAI TRAN
Nurse Practitioner (Family)
200 JOSE FIGUERES AVE STE 380
SAN JOSE, CA 95116
Santa Clara County (408) 259-0737

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 1265530216. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Tuan Nguyen located?

Tuan Nguyen practices at 200 Jose Figueres Ave Ste 380, San Jose, CA 95116. The listed phone number is (408) 259-0737.

What is Tuan Nguyen's specialty?

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

Is Tuan Nguyen enrolled in Medicare?

Yes. Tuan Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tuan Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tuan Nguyen reassigns Medicare benefits to Top Care Medical Group Inc (San Jose, 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 Tuan Nguyen'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 Tuan Nguyen was last updated on August 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.