Mahendra Defonseka, M.D.
Gastroenterology Physician · Henderson, NV
Mahendra Defonseka, M.D. is a gastroenterology physician with a practice address in Henderson, Nevada, and NPI 1699775684, issued on Jul 30, 2005. Check the license (Nevada 3983, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mahendra Defonseka
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 3983 NV
Self-reported in NPPES; status is on the state search - Practice location
- 2610 W Horizon Ridge Pkwy, Henderson, NV 89052
- Phone
- (702) 565-3037
- Enumerated
- Jul 30, 2005
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
Also registered at 2610 W Horizon Ridge Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edilberto De Andrade, DDSPeriodontics1114036969
- Brian Gamett, DCChiropractor1295734879
- Nirav Gandhi, M.D.Internal Medicine Physician1881791564
- Laura Halper Harris, RDRegistered Dietitian1205053337
- Garry Lee, M.D.Family Medicine Physician1881631851
- Upinder Singh, M.D.Geriatric Medicine (Internal Medicine) Physician1609846229
Verify Mahendra Defonseka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 3983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
17 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gastroenterology Physician providers in Nevada
There are 119 gastroenterology physician records in Nevada.
Other gastroenterology physician records in Nevada
- Syed Abdul Basit, M.D.Las Vegas, NV1942509492
- Peter Airel, M.D.Las Vegas, NV1538222047
- Sara AlleyasinLas Vegas, NV1790340990
- Edward Alper, M.D.Reno, NV1467418533
- Tarek Ammar, MDLas Vegas, NV1649478314
- Jose Aponte-Pieras, MDLas Vegas, NV1528591740
- Sadra Azizi-Ghannad, M.D.Reno, NV1639435084
- Dipesh Banker, MDNorth Las Vegas, NV1891896908
- Brent Burnette, MDLas Vegas, NV1699989251
- Brian Carlson, M.D.North Las Vegas, NV1740255462
Common questions
What is Mahendra Defonseka, M.D.'s NPI number?
Mahendra Defonseka, M.D.'s National Provider Identifier (NPI) is 1699775684, issued on Jul 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mahendra Defonseka, M.D. located?
The NPPES record lists a practice address at 2610 W Horizon Ridge Pkwy, Henderson, NV, 89052. Phone: (702) 565-3037. Providers update this record themselves, so call before visiting.
How can I verify Mahendra Defonseka, M.D.'s license?
NPPES lists Nevada license number 3983, 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.
How much does Mahendra Defonseka, M.D. prescribe under Medicare Part D?
In 2024, Mahendra Defonseka, M.D. had 17 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.