DIANA K NGUYEN (DO) – Pediatric Infectious Diseases Physician, NPI 1225270473

DIANA K NGUYEN (DO) is a healthcare provider. based in Houston, Texas. specializing in PEDIATRIC MEDICINE. They hold the professional credentials DO. They hold a License No. R3723 (TX). The NPI Number for DIANA K NGUYEN (DO) is 1225270473

Main info

Female
17 Years Of Experience
Accepts Medicare Assignment
Name
DIANA K NGUYEN (DO)
NPI
1225270473
Phone
(832) 824-4330
Address
6701 Fannin St
Enumeration Date
2 April 2009
Last Update Date
19 April 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8328263000
Graduation Year
2009 (17 years ago)
PAC ID
5092097675
Group Practice PAC ID
4385722081
Professional Enrollment ID
I20170816001412
Address ID
TX770302351HO6651XSTXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:17State licenses:1Digital endpointsOther names

2,256 PEDIATRIC MEDICINE in TX

Provider Addresses for DIANA K NGUYEN (DO)

  • 6701 Fannin St

    Pediatric- Infectious Diseases

    Houston, TX 77030

    Phone: (832) 824-4330

    Type: Location

  • Oficina de empadronamiento electoral de Bolivia en el exterior, 3701, Wilshire Boulevard, Koreatown, Los Angeles, Los Angeles County, California, 90005, United States

    600

    LOS ANGELES, CA 900102814

    Phone: (323) 361-2337

    Fax: (323) 361-8491

    Type: Mailing

  • Children's Hospital Los Angeles, 4650, Sunset Boulevard, East Hollywood, Los Angeles, Los Angeles County, California, 90029, United States

    LOS ANGELES, CA 900276062

    Phone: (323) 361-2337

    Fax: (323) 361-3642

    Type: Location

  • PO BOX 650859

    DEPT 710

    DALLAS, TX 752652814

    Phone: (409) 747-6240

    Type: Mailing

  • 400 HARBORSIDE DR SUITE 103

    GALVESTON, TX 775556062

    Phone: (409) 772-3695

    Fax: (409) 772-3680

    Type: Location

  • 4110 LEESHIRE DR

    HOUSTON, TX 770254022

    Phone: (713) 933-9912

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $74.

Total Amount is formed as General ($74) + Research ($0) + Ownership ($0) = $74.

Last reported payment date: 2024-08-22 • Largest payer in this snapshot: Genentech USA, Inc. ($74).

Total Amount

$74

General + Research + Ownership

Payments

3

Total payment records

General Amount

$74

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-22

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Genentech USA, Inc.$74
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2017-08-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20170816001412IPediatric MedicineTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 77030)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4385722081View full group profile
NameSpecialtyState
Pediatric MedicineTX
Pediatric Medicine, Allergy/ImmunologyTX
Pediatric Medicine, Pulmonary DiseaseTX
Physician AssistantTX
Orthopedic SurgeryTX
-TX
-TX
U R O L O G YAR
Hematology/Oncology, Pediatric MedicineTX
-TX

Reviews

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Frequently asked questions

Does DIANA K NGUYEN (DO) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DIANA K NGUYEN (DO) uses 1225270473.
Is DIANA K NGUYEN (DO) still practicing?
DIANA K NGUYEN (DO) is currently listed as active in the public NPI registry.
What is DIANA K NGUYEN (DO)'s primary classification?
Pediatric Infectious Diseases Physician is the headline specialty for DIANA K NGUYEN (DO) here. Clinical services aligned with this taxonomy classification.
What area does DIANA K NGUYEN (DO) serve?
DIANA K NGUYEN (DO)'s listing highlights Houston, Texas; more addresses can appear in NPPES.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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