NPPES file of Aug 9, 2026

Collin Howard Stewart, MD

Surgery Physician · Las Vegas, NV

Collin Howard Stewart, MD is a surgery physician with a practice address in Las Vegas, Nevada, and NPI 1861835209, issued on Apr 16, 2013. Check the license (Nevada LL2861, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861835209
Name
Collin Howard Stewart
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License numbers
LL2861 NV
MT209322 PA
Self-reported in NPPES; status is on the state search
Practice location
3150 N Tenaya Way, Las Vegas, NV 89128
Phone
(702) 562-5831
Enumerated
Apr 16, 2013
Record last updated
Jun 29, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200707002115); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3150 N Tenaya Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stanley Abramow, MDObstetrics & Gynecology Physician1154434348
  2. Chowdhury Ahsan, MDCardiovascular Disease Physician1164502225
  3. Jose Aquino, M.D.Cardiovascular Disease Physician1942299284
  4. Robert Berkley, MDCardiovascular Disease Physician1710092523
  5. Irene Bourgault, D.O.Family Medicine Physician1164562120
  6. Eladio Carrera, M.D.Gastroenterology Physician1508967605

Verify Collin Howard Stewart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license LL2861
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nevada license search

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The MIPS final score for 2023 (Medicare payment program): 97.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.7
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Banner-University Medical GroupTucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Collin Howard Stewart among 236 surgery physician records in Nevada

Collin Howard Stewart, MD is one of 236 surgery physician records with a practice address in Nevada. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 72% of them.

  • NPI issued2013 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2013 · median 2007 among the 162 with a school on file
  • Record last updated2016 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Nevada

There are 236 surgery physician records in Nevada.

The 8 surgery physician records with the nearest ZIP codes

  1. Arnold Chung, MDLas Vegas, NV 891281558575480
  2. Brian Citro, MDLas Vegas, NV 891281922116771
  3. Eugene Porreca, M.D.Las Vegas, NV 891281871562652
  4. Kin Yee, DOLas Vegas, NV 891281164578464
  5. Rachel Jones, MD, MPHLas Vegas, NV 891231760875462
  6. Edward NathanLas Vegas, NV 891341083689178
  7. Kinman Poon, MDLas Vegas, NV 891341043402415
  8. Thomas Umbach, M.D.Las Vegas, NV 891201285668319

Common questions

What is Collin Howard Stewart, MD's NPI number?

Collin Howard Stewart, MD's National Provider Identifier (NPI) is 1861835209, issued on Apr 16, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Collin Howard Stewart, MD located?

The NPPES record lists a practice address at 3150 N Tenaya Way, Las Vegas, NV, 89128. Phone: (702) 562-5831. Providers update this record themselves, so call before visiting.

How can I verify Collin Howard Stewart, MD's license?

NPPES lists Nevada license number LL2861, 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.

What is Collin Howard Stewart, MD's MIPS final score?

The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.