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THUY-ANH NGUYEN MELVIN MD
NPI 1790821767
Otolaryngology in Mc Lean, VA

Active since January 29, 2007PECOS Enrolled
8008 WESTPARK DR, MC LEAN, VA 22102(703) 946-8349 Get Directions Write a Review

NPPES record last updated: December 7, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 7, 2021, May 31, 2021 (2 updates tracked since 2021).

About Thuy-anh Nguyen Melvin Md NPPES

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

THUY-ANH NGUYEN MELVIN MD (NPI 1790821767) is an individual otolaryngology provider in Mc Lean, Virginia, licensed in Virginia (0101251714) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790821767
Entity TypeIndividualFemale
Primary Taxonomy207Y00000X
Provider Legal NameTHUY-ANH NGUYEN MELVINCredential: MD
Location Address8008 WESTPARK DRMc Lean, VA 22102-3109
Mailing Address8008 Westpark DrMc Lean, VA 22102-3109
Phone(703) 946-8349
Sole ProprietorNo
Enumeration DateJanuary 29, 2007
Last NPPES UpdateDecember 7, 20212 updates tracked since enumeration
NPPES CertifiedDecember 7, 2021
✔ NPI 1790821767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in VA · 0101251714
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8008 WESTPARK DR, Mc Lean, VA 22102
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thuy-anh Nguyen Melvin Md 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Thuy-anh Melvin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
Same address
Health Maintenance Organization
8008 WESTPARK DR
Mc Lean, VA 22102
NPI 1376815472 (703) 490-8400
Inova Health Care Services
2.9 mi
Urgent Care
100 MAPLE AVE E
Vienna, VA 22180
  • Reassigned Medicare billing, Virginia enrollment
  • 2,379 clinicians in this Medicare group
NPI 1275886418 (703) 938-5300

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 22102 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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 20

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

DR. TROY W BAKER D.O.
Allergy & Immunology
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6559
JENNIFER GILLMAN
Nuclear Medicine
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6400
DR. JULIE ANN AMBROSE M.D.
Obstetrics & Gynecology
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-4550
DR. LINDA M CARDINAL MD
Surgery
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6400
REGINA DE LA TORRE LEE
Registered Nurse
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6400
DR. JOHN SANIL SAMUEL M.D.
Internal Medicine
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-1504
MRS. CYNTHIA ANN LEAVER PHD, RN, FNP-BC
Nurse Practitioner (Family)
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6442
DR. BAO KHOA TRAN NGUYEN PHARMD
Pharmacist
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-4650

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 Thuy-anh Melvin's NPI number?

The NPI number for Thuy-anh Melvin is 1790821767. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is Thuy-anh Melvin located?

Thuy-anh Melvin practices at 8008 Westpark Dr, Mc Lean, VA 22102. The listed phone number is (703) 946-8349.

What is Thuy-anh Melvin's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Thuy-anh Melvin enrolled in Medicare?

Yes. Thuy-anh Melvin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thuy-anh Melvin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thuy-anh Melvin reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Mc Lean, VA) and Inova Health Care Services (Vienna, VA). Each 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 Thuy-anh Melvin'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 Thuy-anh Melvin was last updated on December 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.