TO DUNG KHONG NGUYEN M.D.
NPI 1790044642
Hospitalist in Palo Alto, CA

Q: What is To Dung Nguyen's NPI number?

The NPI number for To Dung Nguyen is 1790044642. It was assigned to this individual provider in the NPPES registry on May 14, 2012.

Q: What is To Dung Nguyen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for To Dung Nguyen was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 May 14, 2012PECOS Enrolled

725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: May 14, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: May 14, 2025, Jul 21, 2022 (2 updates tracked since 2022).

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About To Dung Khong Nguyen M.d. NPPES

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

TO DUNG KHONG NGUYEN M.D. (NPI 1790044642) is an individual hospitalist provider in Palo Alto, California, licensed in California (A128196) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS and maintains a secondary practice location in Anaheim.

NPPES Registry Identity

NPI1790044642

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameTO DUNG KHONG NGUYENCredential: M.D.

Location Address725 WELCH RDPalo Alto, CA 94304-1601

Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000

Phone(650) 497-8000

Sole ProprietorNo

Enumeration DateMay 14, 2012

Last NPPES UpdateMay 14, 20252 updates tracked since enumeration

NPPES CertifiedMay 14, 2025

✔ NPI 1790044642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · A128196

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedPediatricsTaxonomy 208000000X · License A128196 (CA)

725 WELCH RD, Palo Alto, CA 94304

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Secondary Practice Location 1

Location 12321 E Underhill AveAnaheim, CA 92806-3654 · Phone (714) 402-3087

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

To Dung Khong Nguyen M.d. 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 94304 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.

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.

EIRI INENAGA MS, OTR/L

Occupational Therapist (Pediatrics)