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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

REBECCA S. SINAI, D.O., CHTD
NPI 1538281886
Internal Medicine in Las Vegas, NV

Active since April 06, 2007
7455 W WASHINGTON AVE STE 200, LAS VEGAS, NV 89128(702) 749-8891 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jul 27, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About Rebecca S. Sinai, D.o., Chtd NPPES

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

REBECCA S. SINAI, D.O., CHTD (NPI 1538281886) is a healthcare organization registered as an internal medicine in Las Vegas, Nevada and active in the NPI registry since April 2007. The organization lists Rebecca Sinai, President, as its authorized official.

NPPES Registry Identity

NPI1538281886
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameREBECCA S. SINAI, D.O., CHTD
Location Address7455 W WASHINGTON AVE STE 200Las Vegas, NV 89128-4338
Mailing Address7455 W Washington Ave Ste 200Las Vegas, NV 89128-4338 · (702) 749-8891
Phone(702) 749-8891
Organization SubpartNo
Authorized OfficialRebecca SinaiPresident · (702) 749-8891
Enumeration DateApril 6, 2007
Last NPPES UpdateJuly 27, 20262 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1538281886 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.
7455 W WASHINGTON AVE STE 200, Las Vegas, NV 89128
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REBECCA S SINAI D.O.
Internal Medicine
7455 W WASHINGTON AVE STE 200
LAS VEGAS, NV 89128
Clark County (702) 749-8891

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 Rebecca S. Sinai, D.O., Chtd's NPI number?

The NPI number for Rebecca S. Sinai, D.O., Chtd is 1538281886. It was assigned to this organization in the NPPES registry on April 6, 2007.

Where is Rebecca S. Sinai, D.O., Chtd located?

Rebecca S. Sinai, D.O., Chtd is located at 7455 W Washington Ave Ste 200, Las Vegas, NV 89128. The listed phone number is (702) 749-8891.

What is Rebecca S. Sinai, D.O., Chtd's specialty?

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

When was this NPI record last updated?

The NPPES record for Rebecca S. Sinai, D.O., Chtd was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 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.