NPPES file of Aug 9, 2026

William Robert Maranon, M.D.

Specialist · Las Vegas, NV

William Robert Maranon, M.D. is a specialist with a practice address in Las Vegas, Nevada, and NPI 1669583233, issued on Aug 31, 2006. Check the license (Nevada 7873, as entered in NPPES) with the Nevada board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1669583233
Name
William Robert Maranon
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
7873 NV
Self-reported in NPPES; status is on the state search
Practice location
1040 S. Rainbow Blvd, Las Vegas, NV 89145
Phone
(702) 889-9129
Enumerated
Aug 31, 2006
Record last updated
Sep 11, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(702) 562-5069
Medicare enrollment
Enrolled (PECOS I20070308000024); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1984
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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8 nearest specialist records → All 276 in Nevada → Look up another NPI →

Verify William Robert Maranon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nevada board licenses this profession
    Search for license 7873    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
Find the Nevada license search

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Bills Medicare through one group practice

  1. Biocell LLCLas Vegas, NV

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

William Robert Maranon among 276 specialist records in Nevada

William Robert Maranon, M.D. is one of 276 specialist records with a practice address in Nevada. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 65% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated1984 · median 1989 among the 42 with a school on file
  • Record last updated2014 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Nevada

There are 276 specialist records in Nevada.

All 276 in Nevada → Every provider in Las Vegas → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Lisa AgnewLas Vegas, NV 891451780873802
  2. Kori Jeffries, ATC, LATLas Vegas, NV 891451396296323
  3. Hans-Jorg Rosler, M.D.Las Vegas, NV 891451457345845
  4. Vicki Wall, M.D.Las Vegas, NV 891451215052386
  5. Sivan Yaz-RoashLas Vegas, NV 891451194185645
  6. Canh Anderson, R.P.Las Vegas, NV 891461134678113
  7. Mehdi Ansarinia, MDLas Vegas, NV 891461033233481
  8. Mercedes Cruz, M.D.Las Vegas, NV 891441811944119

Common questions

What is William Robert Maranon, M.D.'s NPI number?

William Robert Maranon, M.D.'s National Provider Identifier (NPI) is 1669583233, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Robert Maranon, M.D. located?

The NPPES record lists a practice address at 1040 S. Rainbow Blvd, Las Vegas, NV, 89145. Phone: (702) 889-9129. Providers update this record themselves, so call before visiting.

How can I verify William Robert Maranon, M.D.'s license?

NPPES lists Nevada license number 7873, as entered by the provider. Search the Nevada board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.