Stephen Girard Sinclair, DO
Internal Medicine Physician · Las Vegas, NV
Stephen Girard Sinclair, DO is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1558980730, issued on Apr 8, 2020. Check the license (Nevada DO3617, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Stephen Girard Sinclair
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO3617 NV
Self-reported in NPPES; status is on the state search - Practice location
- 9260 W Sunset RD Ste 306, Las Vegas, NV 89148
- Phone
- (702) 483-4483
- Enumerated
- Apr 8, 2020
- Record last updated
- Apr 9, 2026
- Fax
- (702) 410-6670
- Medicare enrollment
- Enrolled (PECOS I20260423001644); may accept Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2020
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 9260 W Sunset RD Ste 306
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Yingmei LeeNurse Practitioner1831973692
- David Shih, MDGastroenterology Physician1992895601
- Peter Su, M.D.Pain Medicine (Physical Medicine & Rehabilitation) Physician1164721627
Verify Stephen Girard Sinclair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license DO3617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $317.09
3 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stephen Girard Sinclair among 1,229 internal medicine physician records in Nevada
Stephen Girard Sinclair, DO is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2006 among the 772 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
716 internal medicine physician records list a practice address in Las Vegas
They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria Adolfo, MDLas Vegas, NV 891481255301347
- Ziad Alnadjim, MDLas Vegas, NV 891481225235526
- Jose Arindaeng, MD, MPH, FACPLas Vegas, NV 891481093745739
- Ahsan Azim, MDLas Vegas, NV 891481982629515
- Bashab Banerji, M.D.Las Vegas, NV 891481659379717
- Mahfoud Beajow, MDLas Vegas, NV 891481457323990
- Shaukat Damji, M.DLas Vegas, NV 891481063475770
- Wen Guo, M.D.Las Vegas, NV 891481437128030
Common questions
What is Stephen Girard Sinclair, DO's NPI number?
Stephen Girard Sinclair, DO's National Provider Identifier (NPI) is 1558980730, issued on Apr 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Girard Sinclair, DO located?
The NPPES record lists a practice address at 9260 W Sunset RD Ste 306, Las Vegas, NV, 89148. Phone: (702) 483-4483. Providers update this record themselves, so call before visiting.
How can I verify Stephen Girard Sinclair, DO's license?
NPPES lists Nevada license number DO3617, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.