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QUAN A NGUYEN, DO PA
NPI 1922240597
Internal Medicine in Altamonte Springs, FL

Active since March 29, 2009CLIA 10D2001364 · Waiver
350 MAITLAND AVE, STE 1001, ALTAMONTE SPRINGS, FL 32701(407) 339-7682(407) 339-7690 Get Directions Write a Review

NPPES record last updated: November 13, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 13, 2022, Jul 28, 2018, Jan 28, 2017 (3 updates tracked since 2017).

About Quan A Nguyen, Do Pa NPPES

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

QUAN A NGUYEN, DO PA (NPI 1922240597) is a healthcare organization registered as an internal medicine in Altamonte Springs, Florida and active in the NPI registry since March 2009. The organization holds a CLIA Waiver certificate valid through December 16, 2027 and lists Quan Anh Nguyen, President, as its authorized official.

NPPES Registry Identity

NPI1922240597
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameQUAN A NGUYEN, DO PA
Location Address350 MAITLAND AVE, STE 1001Altamonte Springs, FL 32701
Mailing Address350 Maitland Ave, Ste 1001Altamonte Springs, FL 32701-5400 · (407) 339-7682 · Fax (407) 339-7690
Phone(407) 339-7682
Fax(407) 339-7690
Organization SubpartNo
Authorized OfficialQuan Anh NguyenPresident · (407) 339-7682
Enumeration DateMarch 29, 2009
Last NPPES UpdateNovember 13, 20223 updates tracked since enumeration
NPPES CertifiedNovember 13, 2022
✔ NPI 1922240597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · OS9247
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.
350 MAITLAND AVE, Altamonte Springs, FL 32701
Open in Google Maps ↗

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Quan A Nguyen, Do Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Quan A Nguyen, Do PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Quan Nguyen, D.O.
Internal Medicine
NPI 1922069533
350 MAITLAND AVE STE 1001
Altamonte Springs, FL 32701
(407) 339-7682
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 10D2001364

Quan A Nguyen Do PA · Altamonte Springs, FL
Active · expires Dec 16, 2027
CLIA Number10D2001364
Laboratory TypePhysician Office
Certificate Effective DateDecember 17, 2025
Certificate Expiration DateDecember 16, 2027
Laboratory DirectorQuan A. Nguyen
Laboratory Phone(407) 339-7682
Laboratory LocationQuan A Nguyen Do PA350 Maitland Ave Ste 1001, Altamonte Springs, FL 32701
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Quan A Nguyen, Do PA's NPI number?

The NPI number for Quan A Nguyen, Do PA is 1922240597. It was assigned to this organization in the NPPES registry on March 29, 2009.

Where is Quan A Nguyen, Do PA located?

Quan A Nguyen, Do PA is located at 350 Maitland Ave Ste 1001, Altamonte Springs, FL 32701. The listed phone number is (407) 339-7682.

What is Quan A Nguyen, Do PA's specialty?

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

Is Quan A Nguyen, Do PA enrolled in Medicare?

Yes. Quan A Nguyen, Do PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Quan A Nguyen, Do PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Quan A Nguyen, Do PA. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Quan A Nguyen, Do PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 10D2001364) is associated with this NPI, valid through December 16, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Quan A Nguyen, Do PA accept?

Health plans from AvMed list Quan A Nguyen, Do PA 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 Quan A Nguyen, Do PA was last updated on November 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.