Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DANIEL NGUYEN MD, PHD
NPI 1093344673
Internal Medicine - Hematology & Oncology in Houston, TX

Q: What is Daniel Nguyen's NPI number?

The NPI number for Daniel Nguyen is 1093344673. It was assigned to this individual provider in the NPPES registry on April 5, 2020.

Q: What is Daniel Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Daniel Nguyen was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since April 05, 2020

6431 FANNIN ST, HOUSTON, TX 77030(713) 500-6500 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Apr 5, 2020 (2 updates tracked since 2020).

On this page

About Daniel Nguyen Md, Phd NPPES

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

DANIEL NGUYEN MD, PHD (NPI 1093344673) is an individual hematology & oncology provider in Houston, Texas, licensed in Louisiana (351884) and active in the NPI registry since April 2020. He maintains a secondary practice location in New Orleans.

NPPES Registry Identity

NPI1093344673

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDANIEL NGUYENCredential: MD, PHD

Location Address6431 FANNIN STHouston, TX 77030-1501

Mailing Address1036 Francis StMarrero, LA 70072-2510

Phone(713) 500-6500

Sole ProprietorNo

Enumeration DateApril 5, 2020

Last NPPES UpdateOctober 5, 20262 updates tracked since enumeration

NPPES CertifiedOctober 5, 2026

✔ NPI 1093344673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in LA · 351884

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

6431 FANNIN ST, Houston, TX 77030

Open in Google Maps ↗

Secondary Practice Location 1

Location 11401 Foucher St Fl 1New Orleans, LA 70115-3515 · Phone (504) 897-8970 · Fax (504) 897-8777

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.Insurance ›

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.

DR. STUART MASON FRASER M.D.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

6431 FANNIN ST, MSB 3.151
HOUSTON, TX 77030

Harris County (713) 500-5800

AMY ROSSI MD

Emergency Medicine

6431 FANNIN ST, JJL 431
HOUSTON, TX 77030

Harris County (713) 500-7882

MATTHEW KHOA NGUYEN

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-6113

MARY WAYNE PELTIER MD

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-5010

HANNA MAVRIC DO

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-7882

DR. DAVIDE CATTANO MD

Anesthesiology

6431 FANNIN ST, MSB 5.020
HOUSTON, TX 77030

Harris County (713) 500-6235

MICHAEL ANTHONY HOLZMAN

Orthopaedic Surgery

6431 FANNIN ST, SUITE JJL 310
HOUSTON, TX 77030

Harris County (713) 500-5154

SHUBHANGI MEHRA

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-0798

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 Daniel Nguyen's NPI number?

The NPI number for Daniel Nguyen is 1093344673. It was assigned to this individual provider in the NPPES registry on April 5, 2020.

Where is Daniel Nguyen located?

Daniel Nguyen practices at 6431 Fannin St, Houston, TX 77030. The listed phone number is (713) 500-6500.

What is Daniel Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

What insurance does Daniel Nguyen accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan list Daniel Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Daniel Nguyen was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.