Stephen Sinclair, DO
NPI 1558980730 · Internal Medicine Physician · Las Vegas, NV
Stephen Sinclair, DO is a Internal Medicine Physician provider in Las Vegas, NV (NPI 1558980730).
Provider details
- NPI number
- 1558980730
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO3617 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$317 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-08
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Stephen Sinclair's NPI number?
- Stephen Sinclair's National Provider Identifier (NPI) is 1558980730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Sinclair's specialty?
- Stephen Sinclair is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Sinclair located?
- Stephen Sinclair's practice location on file with NPPES is 9260 W Sunset Rd Ste 306, Las Vegas, NV 89148-4903.
- What is Stephen Sinclair's phone number?
- The practice phone number listed in the NPPES registry for Stephen Sinclair is (702) 483-4483.
- Is Stephen Sinclair's NPI active?
- Yes — Stephen Sinclair's NPI (1558980730) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.