NGOC BAO NGUYEN DO, MPH
NPI 1497457253
Preventive Medicine - Public Health & General Preventive Medicine in Claymont, DE

Q: What is Ngoc Nguyen's NPI number?

The NPI number for Ngoc Nguyen is 1497457253. It was assigned to this individual provider in the NPPES registry on March 17, 2023. The provider is also known as Maria Nguyen Do, Mph.

Q: What is Ngoc Nguyen's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Q: When was this NPI record last updated?

The NPPES record for Ngoc Nguyen was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 March 17, 2023PECOS Enrolled

3565 PHILADELPHIA PIKE, CLAYMONT, DE 19703(302) 320-4110(302) 798-6672 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Ngoc Bao Nguyen Do, Mph NPPES

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

NGOC BAO NGUYEN DO, MPH (NPI 1497457253) is an individual public health & general preventive medicine provider in Claymont, Delaware, licensed in Delaware (C2-0024979) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1497457253

Entity TypeIndividualFemale

Primary Taxonomy2083P0901X

Provider Legal NameNGOC BAO NGUYENCredential: DO, MPH

Location Address3565 PHILADELPHIA PIKEClaymont, DE 19703-3106

Mailing Address3565 Philadelphia PikeClaymont, DE 19703-3106 · (302) 320-4110 · Fax (302) 798-6672

Phone(302) 320-4110

Fax(302) 798-6672

Sole ProprietorYes

Medical School CMSOtherGraduated 2023

Enumeration DateMarch 17, 2023

Last NPPES UpdateJune 11, 2026

NPPES CertifiedJune 11, 2026

✔ NPI 1497457253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Public Health & General Preventive MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0901X

License✔ Licensed in DE · C2-0024979

Definition

Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

3565 PHILADELPHIA PIKE, Claymont, DE 19703

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Other Names 1

Other Name (5)Maria Nguyen Do, Mph

Secondary Practice Locations 2

Location 13901 W 15th StPlano, TX 75075-7738 · Phone (817) 347-1141

Location 2101 Nicolls RdStony Brook, NY 11794-0001 · Phone (631) 689-8333

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ngoc Bao Nguyen Do, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4789042060

PECOS Enrollment IDI20260624002867

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

Christiana Care Health Services, Inc

3.6 mi

Family Medicine

1401 FOULK RD, SUITE 100B
Wilmington, DE 19803

Reassigned Medicare billing, Delaware enrollment
1,531 clinicians in this Medicare group

NPI 1619951068 (302) 477-3300

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 19703 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

$88.37 typical visit price

range $57.12 – $173.08

Typical copayment $22.09 (range $14.28 – $43.27)

Most-billed visit code 99203

Established Patient

$71.19 typical visit price

range $18.36 – $141.05

Typical copayment $17.79 (range $4.59 – $35.26)

Most-billed visit code 99213

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 2

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

DINA ANN IACONE DO

Family Medicine

3565 PHILADELPHIA PIKE
CLAYMONT, DE 19703

New Castle County (302) 320-4110

CHELBY MCCALL

Counselor (Professional)

3565 PHILADELPHIA PIKE
CLAYMONT, DE 19703

New Castle County (302) 320-4110

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 Ngoc Nguyen's NPI number?

The NPI number for Ngoc Nguyen is 1497457253. It was assigned to this individual provider in the NPPES registry on March 17, 2023. The provider is also known as Maria Nguyen Do, Mph.

Where is Ngoc Nguyen located?

Ngoc Nguyen practices at 3565 Philadelphia Pike, Claymont, DE 19703. The listed phone number is (302) 320-4110.

What is Ngoc Nguyen's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Is Ngoc Nguyen enrolled in Medicare?

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

Which organization bills Medicare for Ngoc Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ngoc Nguyen reassigns Medicare benefits to Christiana Care Health Services, Inc (Wilmington, DE). 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 Ngoc 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 Ngoc Nguyen was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.