MR. DUY KHOA NGUYEN DO
NPI 1003662230
Internal Medicine in Tucson, AZ

Q: What is Duy Nguyen's NPI number?

The NPI number for Duy Nguyen is 1003662230. It was assigned to this individual provider in the NPPES registry on April 29, 2024. The provider is also known as Dennis Nguyen Do.

Q: What is Duy Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Duy Nguyen was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.

Active since April 29, 2024PECOS Enrolled

7901 E 22ND ST, TUCSON, AZ 85710(520) 694-8888(520) 694-8466 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 3, 2026, Apr 29, 2024 (2 updates tracked since 2024).

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About Mr. Duy Khoa Nguyen Do NPPES

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

MR. DUY KHOA NGUYEN DO (NPI 1003662230) is an individual internal medicine provider in Tucson, Arizona, licensed in Arizona (R4887) and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003662230

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMR. DUY KHOA NGUYENCredential: DO

Location Address7901 E 22ND STTucson, AZ 85710-8509

Mailing Address7901 E 22nd StTucson, AZ 85710-8509 · (520) 694-8888 · Fax (520) 694-8466

Phone(520) 694-8888

Fax(520) 694-8466

Sole ProprietorYes

Enumeration DateApril 29, 2024

Last NPPES UpdateJune 3, 20262 updates tracked since enumeration

NPPES CertifiedJune 3, 2026

✔ NPI 1003662230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AZ · R4887

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.

7901 E 22ND ST, Tucson, AZ 85710

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Other Names 1

Professional Name (2)Dennis Nguyen Do

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Duy Khoa Nguyen Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85710 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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 20

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

HENRY MARTIN LANG D.O, PH.D

Internal Medicine