Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Stephen Girard Sinclair III, DO

Individual provider Internal Medicine Physician · NPI 1558980730

Dr. Stephen Girard Sinclair III, DO is an Internal Medicine in Las Vegas, Nevada. Graduated from West Virginia School of Osteopathic Medicine in 2020, 6 years ago. Licensed in Nevada.

Years since qualifying
6
Trained at
West Virginia School of Osteopathic Medicine
Licensed in
NV
In the registry since
2020
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

9260 W Sunset Rd Ste 306
Las Vegas, NV 89148-4903
Phone: (702) 483-4483
Fax: (702) 410-6670
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DO3617 (NV)

Record details

NPI number1558980730
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 8, 2020
Last updated in NPPESApril 9, 2026
Certification dateApril 9, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolWEST VIRGINIA SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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