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DR. LORIEN ALFORD NASSI MD
NPI 1811187511
Pediatrics - Pediatric Rheumatology in Dallas, TX

Active since July 28, 2007PECOS Enrolled
1935 MOTOR ST # B4201, MEDICAL EDUCATION, DALLAS, TX 75235(214) 456-2735 Get Directions Write a Review

NPPES record last updated: April 26, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 26, 2024, Feb 3, 2017 (2 updates tracked since 2017).

About Dr. Lorien Alford Nassi Md NPPES

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

DR. LORIEN ALFORD NASSI MD (NPI 1811187511) is an individual pediatric rheumatology provider in Dallas, Texas, licensed in Texas (N2205) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Dallas.

NPPES Registry Identity

NPI1811187511
Entity TypeIndividualFemale
Primary Taxonomy2080P0216X
Provider Legal NameDR. LORIEN ALFORD NASSICredential: MD
Location Address1935 MOTOR ST # B4201, MEDICAL EDUCATIONDallas, TX 75235-7701
Mailing Address1935 Motor St # B4201, Medical EducationDallas, TX 75235-7701 · (214) 456-2735
Phone(214) 456-2735
Sole ProprietorNo
Enumeration DateJuly 28, 2007
Last NPPES UpdateApril 26, 20242 updates tracked since enumeration
NPPES CertifiedApril 26, 2024
✔ NPI 1811187511 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0216X
License✔ Licensed in TX · N2205
Definition
A pediatrician who treats diseases of joints, muscle, bones and tendons. A pediatric rheumatologist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
1935 MOTOR ST # B4201, Dallas, TX 75235
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Secondary Practice Location 1

Location 15323 Harry Hines BlvdDallas, TX 75390-7701 · Phone (314) 645-8020

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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. Lorien Alford Nassi 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 Lorien Nassi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Texas Southwestern Medical Center At Dallas
0.2 mi
Orthopaedic Surgery
5323 HARRY HINES BLVD
Dallas, TX 75390
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group
NPI 1083669766 (214) 645-0624
Texas Scottish Rite Hospital For Crippled Children
1.3 mi
Pediatric Orthopaedic Surgery
2222 WELBORN ST
Dallas, TX 75219
  • Reassigned Medicare billing, Texas enrollment
  • 179 clinicians in this Medicare group
NPI 1598188948 (214) 559-5000

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

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 Lorien Nassi's NPI number?

The NPI number for Lorien Nassi is 1811187511. It was assigned to this individual provider in the NPPES registry on July 28, 2007.

Where is Lorien Nassi located?

Lorien Nassi practices at 1935 Motor St # B4201 Medical Education, Dallas, TX 75235. The listed phone number is (214) 456-2735.

What is Lorien Nassi's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Rheumatology, with taxonomy code 2080P0216X.

Is Lorien Nassi enrolled in Medicare?

Yes. Lorien Nassi is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lorien Nassi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lorien Nassi reassigns Medicare benefits to 2 organizations: University Of Texas Southwestern Medical Center At Dallas (Dallas, TX) and Texas Scottish Rite Hospital For Crippled Children (Dallas, TX). 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 Lorien Nassi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lorien Nassi accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Lorien Nassi 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 Lorien Nassi was last updated on April 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.