LIEN NGUYEN D.O.
NPI 1023458163
Emergency Medicine in Nacogdoches, TX

Q: What is Lien Nguyen's NPI number?

The NPI number for Lien Nguyen is 1023458163. It was assigned to this individual provider in the NPPES registry on July 3, 2013.

Q: What is Lien Nguyen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Lien Nguyen was last updated on June 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since July 03, 2013PECOS EnrolledAccepts Medicare Assignment

4920 NE STALLINGS DR, NACOGDOCHES, TX 75965(504) 717-5858 Get Directions Write a Review

NPPES record last updated: June 22, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 22, 2019, Oct 29, 2018 (2 updates tracked since 2018).

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About Lien Nguyen D.o. NPPES

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

LIEN NGUYEN D.O. (NPI 1023458163) is an individual emergency medicine provider in Nacogdoches, Texas, licensed in Texas (Q9454) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS, is affiliated with Nacogdoches Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1023458163

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameLIEN NGUYENCredential: D.O.

Location Address4920 NE STALLINGS DRNacogdoches, TX 75965-1254

Mailing Address801 Ostrum StBethlehem, PA 18015-1000

Phone(504) 717-5858

Sole ProprietorYes

Medical School CMSOtherGraduated 2013

Enumeration DateJuly 3, 2013

Last NPPES UpdateJune 22, 20192 updates tracked since enumeration

✔ NPI 1023458163 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in TX · Q9454✔ Licensed in VA · 0102204438✔ Licensed in LA · 310647

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

4920 NE STALLINGS DR, Nacogdoches, TX 75965

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Sendero Health Plans, Local Nonprofit.Insurance ›

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

Lien Nguyen D.o. 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 ID5799071783

PECOS Enrollment IDI20160921001643

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

Medicare enrollment records show Lien Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lone Star Emergency Services Of East Texas PLLC

2.8 mi

Emergency Medicine

1204 N MOUND ST
Nacogdoches, TX 75961

Reassigned Medicare billing, Texas enrollment
54 clinicians in this Medicare group

NPI 1124952353 (936) 564-4611

Ochsner Clinic LLC

126 mi

Internal Medicine

1355 SAM HOUSTON JONES PKWY, STE 355
Lake Charles, LA 70611

Reassigned Medicare billing, Louisiana enrollment
4,559 clinicians in this Medicare group

NPI 1417429036 (337) 513-0299

Travis County Emergency Physicians PA

206 mi

Emergency Medicine

1201 W 38TH ST
Austin, TX 78705

Reassigned Medicare billing, Texas enrollment
1,511 clinicians in this Medicare group

NPI 1962440933 (330) 493-4443

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

228 services211 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

76 services73 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

61 services59 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Nacogdoches Medical Center

Acute Care Hospitals · Nacogdoches, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number450656

Location4920 NE Stallings DriveNacogdoches, TX 75965 · Nacogdoches County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75965 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

DR. MICHAEL SCOTT LONG D.O.

Pathology (Anatomic Pathology & Clinical Pathology)