Roger A. Grinnell
Counselor · Las Vegas, NV
Roger A. Grinnell is a counselor with a practice address in Las Vegas, Nevada, and NPI 1801849518, issued on May 17, 2006. Check the license with the Nevada board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Roger A. Grinnell
- Primary taxonomy
- Counselor 101Y00000X
- Practice location
- 4000 E Charleston Blvd, Las Vegas, NV 89104
- Phone
- (702) 986-4000
- Enumerated
- May 17, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest counselor records → All 1,084 in Nevada → Look up another NPI →
Also registered at 4000 E Charleston Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Roger A. Grinnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Nevada board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Roger A. Grinnell among 1,084 counselor records in Nevada
Roger A. Grinnell is one of 1,084 counselor records with a practice address in Nevada. 1% 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 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 99% newer
- In a Medicare fileNo · 1% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2026 · 87% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
726 counselor records list a practice address in Las Vegas
They are 726 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,084 counselor records in Nevada. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,084 in Nevada → Every provider in Las Vegas → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Evelina BlodgettLas Vegas, NV 891041609133263
- Althea FennellLas Vegas, NV 891041639121817
- Marco FloresLas Vegas, NV 891041023392206
- Joseph HerbstLas Vegas, NV 891041659322907
- Valerie Leclercq, ED.DLas Vegas, NV 891041275776056
- Sonia Lopez, L.M.F.T.I.Las Vegas, NV 891041467695221
- Karrin Ludeking-BermanLas Vegas, NV 891041750475174
- Bianca McCallLas Vegas, NV 891041700831252
Common questions
What is Roger A. Grinnell's NPI number?
Roger A. Grinnell's National Provider Identifier (NPI) is 1801849518, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger A. Grinnell located?
The NPPES record lists a practice address at 4000 E Charleston Blvd, Las Vegas, NV, 89104. Phone: (702) 986-4000. Providers update this record themselves, so call before visiting.
How can I verify Roger A. Grinnell's license?
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. 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.