QUALITY MEDICAL SPECIALISTS LLC
NPI 1154948024
Internal Medicine in Las Vegas, NV

Q: What is Quality Medical Specialists LLC's NPI number?

The NPI number for Quality Medical Specialists LLC is 1154948024. It was assigned to this organization in the NPPES registry on June 26, 2020.

Q: What is Quality Medical Specialists LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since June 26, 2020

2255 RENAISSANCE DR STE B, LAS VEGAS, NV 89119(702) 500-1728(702) 356-3102 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 23, 2026, Jun 26, 2020 (2 updates tracked since 2020).

On this page

About Quality Medical Specialists Llc NPPES

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

QUALITY MEDICAL SPECIALISTS LLC (NPI 1154948024) is a healthcare organization registered as an internal medicine in Las Vegas, Nevada and active in the NPI registry since June 2020. The organization lists Roy Marie Amoroso Margallo, Managing Member, as its authorized official.

NPPES Registry Identity

NPI1154948024

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameQUALITY MEDICAL SPECIALISTS LLC

Location Address2255 RENAISSANCE DR STE BLas Vegas, NV 89119-6795

Mailing Address2255 Renaissance Dr Ste BLas Vegas, NV 89119-6795 · (702) 500-1728 · Fax (702) 356-3102

Phone(702) 500-1728

Fax(702) 356-3102

Organization SubpartNo

Authorized OfficialRoy Marie Amoroso MargalloManaging Member · (725) 500-8048

Enumeration DateJune 26, 2020

Last NPPES UpdateApril 23, 20262 updates tracked since enumeration

NPPES CertifiedApril 23, 2026

✔ NPI 1154948024 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2255 RENAISSANCE DR STE B, Las Vegas, NV 89119

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Quality Medical Specialists Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Quality Medical Specialists LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Roy Marie Margallo, M.D.

Internal Medicine

NPI 1538314950

2255 RENAISSANCE DR STE B
Las Vegas, NV 89119

(702) 500-1728

✔ PECOS✔ Accepts MedicareSame address

Janice Flores, FNP-C

Nurse Practitioner

NPI 1063034049

6900 N PECOS RD
North Las Vegas, NV 89086

(702) 791-9000

✔ PECOS✔ Accepts Medicare13 mi

Brian Johnson, APRN FNP-C

Nurse Practitioner

NPI 1487114583

6900 N PECOS RD
North Las Vegas, NV 89086

(702) 791-9000

✔ PECOS✔ Accepts Medicare13 mi

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 Quality Medical Specialists LLC's NPI number?

The NPI number for Quality Medical Specialists LLC is 1154948024. It was assigned to this organization in the NPPES registry on June 26, 2020.

Where is Quality Medical Specialists LLC located?

Quality Medical Specialists LLC is located at 2255 Renaissance Dr Ste B, Las Vegas, NV 89119. The listed phone number is (702) 500-1728.

What is Quality Medical Specialists LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Quality Medical Specialists LLC enrolled in Medicare?

Yes. Quality Medical Specialists LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Quality Medical Specialists LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Quality Medical Specialists LLC, in Internal Medicine and Nurse Practitioner. A 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 the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Quality Medical Specialists LLC accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Molina Healthcare list Quality Medical Specialists LLC 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 Quality Medical Specialists LLC was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.