DR. STEPHEN GIRARD SINCLAIR III DO
NPI 1558980730
Internal Medicine in Las Vegas, NV

Q: What is Stephen Sinclair's NPI number?

The NPI number for Stephen Sinclair is 1558980730. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Q: What is Stephen Sinclair's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Sinclair was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 08, 2020PECOS Enrolled

9260 W SUNSET RD STE 306, LAS VEGAS, NV 89148(702) 483-4483(702) 410-6670 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 9, 2026, Mar 8, 2022, Apr 8, 2020 (3 updates tracked since 2020).

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About Dr. Stephen Girard Sinclair Iii Do NPPES

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

DR. STEPHEN GIRARD SINCLAIR III DO (NPI 1558980730) is an individual internal medicine provider in Las Vegas, Nevada, licensed in Nevada (DO3617) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Southern Hills Hospital And Medical Center, and is a graduate of West Virginia School Of Osteopathic Medicine (2020).

NPPES Registry Identity

NPI1558980730

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. STEPHEN GIRARD SINCLAIR IIICredential: DO

Location Address9260 W SUNSET RD STE 306Las Vegas, NV 89148-4903

Mailing Address9260 W Sunset Rd Ste 306Las Vegas, NV 89148-4903 · (702) 483-4483 · Fax (702) 410-6670

Phone(702) 483-4483

Fax(702) 410-6670

Sole ProprietorNo

Medical School CMSWest Virginia School Of Osteopathic MedicineGraduated 2020

Enumeration DateApril 8, 2020

Last NPPES UpdateApril 9, 20263 updates tracked since enumeration

NPPES CertifiedApril 9, 2026

✔ NPI 1558980730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NV · DO3617

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.

9260 W SUNSET RD STE 306, Las Vegas, NV 89148

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stephen Girard Sinclair Iii Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9830514611

PECOS Enrollment IDI20260423001644

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.

Hospital Affiliations CMS Care Compare

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

Southern Hills Hospital And Medical Center

Acute Care Hospitals · Las Vegas, NV

4/5 CMS rating

OwnershipProprietary

CMS Certification Number290047

Location9300 West Sunset RdLas Vegas, NV 89148 · Clark County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89148 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

$131.25 typical visit price

range $57.07 – $173.24

Typical copayment $32.81 (range $14.26 – $43.31)

Most-billed visit code 99204

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

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.

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

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