NPPES file of Aug 9, 2026

Benjamin Casillas, MD

Family Medicine Physician · Las Vegas, NV

Benjamin Casillas, MD is a family medicine physician with a practice address in Las Vegas, Nevada, and NPI 1578739835, issued on May 6, 2008. Check the license (Nevada 17899, as entered in NPPES) on the Nevada State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1578739835
Name
Benjamin Casillas
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
17899 NV
A103128 CA
Self-reported in NPPES; status is on the state search
Practice location
6355 S Buffalo Dr FL 3, Las Vegas, NV 89113
Phone
(702) 952-9171
Enumerated
May 6, 2008
Record last updated
Nov 1, 2022
Fax
(702) 952-9170
Medicaid ID
1578739835 NV
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6355 S Buffalo Dr FL 3

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

  1. Lourdes Rucela Ada, M.D.Family Medicine Physician1114957032
  2. Charlene Adrian, D.O.Internal Medicine Physician1407276165
  3. Ma Celestina Aguilar, APRNNurse Practitioner1013596220
  4. Farzad Alikozai, D.O.Internal Medicine Physician1508247446
  5. Reydel Alvarez, NP-CFamily Nurse Practitioner1467996876
  6. Rebekah AmbuehlClinical Social Worker1760749048

Verify Benjamin Casillas 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 17899
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Benjamin Casillas among 1,243 family medicine physician records in Nevada

Benjamin Casillas, MD is one of 1,243 family medicine physician records with a practice address in Nevada. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 52% of them.

  • NPI issued2008 · 52% of these records are older, 44% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2022 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

578 family medicine physician records list a practice address in Las Vegas

They are 578 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,243 family medicine physician records in Nevada. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lourdes Rucela Ada, M.D.Las Vegas, NV 891131114957032
  2. Kimberly Adams, M.D.Las Vegas, NV 891131659399269
  3. Binh Chung, M.D.Las Vegas, NV 891131689766693
  4. Sylvester Hanna, D.O.Las Vegas, NV 891131255568929
  5. Charles Johnston, M.D.Las Vegas, NV 891131588655526
  6. Thomas Land, MDLas Vegas, NV 891131639142052
  7. Charlie Lin, D.O.Las Vegas, NV 891131659314763
  8. Barry Nahin, M.D.Las Vegas, NV 891131396897815

Common questions

What is Benjamin Casillas, MD's NPI number?

Benjamin Casillas, MD's National Provider Identifier (NPI) is 1578739835, issued on May 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Casillas, MD located?

The NPPES record lists a practice address at 6355 S Buffalo Dr FL 3, Las Vegas, NV, 89113. Phone: (702) 952-9171. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Casillas, MD's license?

NPPES lists Nevada license number 17899, 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. 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.