1. Home
  2. Directory
  3. Texas
  4. Dallas
  5. Obstetrics Gynecology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LOAN NGOC NGUYEN M.D.
NPI 1871813543
Obstetrics & Gynecology in Dallas, TX

Active since June 04, 2010PECOS Enrolled
809 SINGLETON BLVD, DALLAS, TX 75212(214) 540-0300(214) 741-1288 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 2, 2026, Jul 9, 2026 (2 updates tracked since 2026).

About Dr. Loan Ngoc Nguyen M.d. NPPES

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

DR. LOAN NGOC NGUYEN M.D. (NPI 1871813543) is an individual obstetrics & gynecology provider in Dallas, Texas, licensed in Texas (R2427) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1871813543
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. LOAN NGOC NGUYENCredential: M.D.
Location Address809 SINGLETON BLVDDallas, TX 75212-4014
Mailing Address809 Singleton BlvdDallas, TX 75212-4014 · (214) 540-0300 · Fax (469) 729-8943
Phone(214) 540-0300
Fax(214) 741-1288
Sole ProprietorNo
Enumeration DateJune 4, 2010
Last NPPES UpdateOctober 2, 20262 updates tracked since enumeration
NPPES CertifiedOctober 2, 2026
✔ NPI 1871813543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · R2427
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
809 SINGLETON BLVD, Dallas, TX 75212
Open in Google Maps ↗

Secondary Practice Locations 2

Location 110505 E 91st St, Suite 203Tulsa, OK 74133-5801 · Phone (918) 307-5560
Location 24732 W Illinois AveDallas, TX 75211-6502 · Phone (214) 540-0300 · Fax (469) 729-8943

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare, UnitedHealthcare and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Loan Ngoc Nguyen M.d. 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 Reassignment

Medicare enrollment records show Loan Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Los Barrios Unidos Community Clinic, Inc.
Same address
Federally Qualified Health Center (FQHC)
809 SINGLETON BLVD
Dallas, TX 75212
  • Reassigned Medicare billing, Texas enrollment
  • 16 clinicians in this Medicare group
NPI 1164417085 (214) 651-8739

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 75212 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$71.28 typical visit price
range $18.48 – $141.20
Typical copayment $17.82 (range $4.62 – $35.30)
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.

SANDRA G LOZANO MD
Obstetrics & Gynecology
809 SINGLETON BLVD
DALLAS, TX 75212
Dallas County (214) 651-8691
LEDA ERIKA TELLO RD
Dietitian, Registered
809 SINGLETON BLVD
DALLAS, TX 75212
Dallas County (214) 651-8739
NGAN NGUYEN FNP-C
Nurse Practitioner (Family)
809 SINGLETON BLVD
DALLAS, TX 75212
Dallas County (214) 540-0300
DR. ZAREEN TASNEEM M.D
Family Medicine
809 SINGLETON BLVD
DALLAS, TX 75212
Dallas County (214) 561-8739
ADRIANA TORRES-PENA LMSW
Social Worker (Clinical)
809 SINGLETON BLVD
DALLAS, TX 75212
Dallas County (214) 540-0300
DR. LAVANYA GOPALAKRISHNAN
Family Medicine
809 SINGLETON BLVD
DALLAS, TX 75212
Dallas County (214) 540-0300
ALISELLE LOPEZ-VALCARCEL LMSW
Counselor (Mental Health)
809 SINGLETON BLVD
DALLAS, TX 75212
Dallas County (214) 540-0300
LOS BARRIOS UNIDOS COMMUNITY CLINIC, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
809 SINGLETON BLVD
DALLAS, TX 75212
Dallas County (214) 651-8739

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 Loan Nguyen's NPI number?

The NPI number for Loan Nguyen is 1871813543. It was assigned to this individual provider in the NPPES registry on June 4, 2010.

Where is Loan Nguyen located?

Loan Nguyen practices at 809 Singleton Blvd, Dallas, TX 75212. The listed phone number is (214) 540-0300.

What is Loan Nguyen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Loan Nguyen enrolled in Medicare?

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

Which organization bills Medicare for Loan Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Loan Nguyen reassigns Medicare benefits to Los Barrios Unidos Community Clinic, Inc. (Dallas, TX). 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 Loan Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Loan Nguyen accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, UnitedHealthcare and WellPoint list Loan Nguyen 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 Loan Nguyen was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.