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THY BICH NGUYEN MD
NPI 1659415123
Family Medicine in Lutherville, MD

Active since February 17, 2007PECOS EnrolledAccepts Medicare Assignment
9 DENEISON ST, LUTHERVILLE, MD 21093(443) 318-4141(866) 538-6990 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Thy Bich Nguyen Md NPPES

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

THY BICH NGUYEN MD (NPI 1659415123) is an individual family medicine provider in Lutherville, Maryland, licensed in Maryland (D66660) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1659415123
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameTHY BICH NGUYENCredential: MD
Location Address9 DENEISON STLutherville, MD 21093-2301
Mailing Address9 Deneison StLutherville, MD 21093-2301 · (443) 318-4141 · Fax (866) 538-6990
Phone(443) 318-4141
Fax(866) 538-6990
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateFebruary 17, 2007
Last NPPES UpdateNovember 4, 2025
NPPES CertifiedNovember 4, 2025
✔ NPI 1659415123 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in MD · D66660✔ Licensed in CA · A104638
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
9 DENEISON ST, Lutherville, MD 21093
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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 and accepts Medicare assignment

Thy Bich Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204917651
PECOS Enrollment IDI20080111000333
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 Thy Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Thy Nguyen MD LLC
1.7 mi
Family Medicine
10600 YORK RD, STE 102
Cockeysville, MD 21030
  • Reassigned Medicare billing, Maryland enrollment
NPI 1912297797 (443) 318-4141

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 21093 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

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 Thy Nguyen's NPI number?

The NPI number for Thy Nguyen is 1659415123. It was assigned to this individual provider in the NPPES registry on February 17, 2007.

Where is Thy Nguyen located?

Thy Nguyen practices at 9 Deneison St, Lutherville, MD 21093. The listed phone number is (443) 318-4141.

What is Thy Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Thy Nguyen enrolled in Medicare?

Yes. Thy Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Thy Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thy Nguyen reassigns Medicare benefits to Thy Nguyen MD LLC (Cockeysville, MD). 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 Thy 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 Thy Nguyen was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.