Irwin Clavel, M.D.
Internal Medicine Physician · Reno, NV
Irwin Clavel, M.D. is an internal medicine physician with a practice address in Reno, Nevada, and NPI 1932319860, issued on May 22, 2007. Check the license (Nevada 16635, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Irwin Clavel
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 16635 NV
R-7851 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1155 Mill St, Reno, NV 89502
- Phone
- (775) 982-7878
- Enumerated
- May 22, 2007
- Record last updated
- Nov 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (775) 982-4196
- Medicare enrollment
- Enrolled (PECOS I20161130001095); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 1155 Mill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Irwin Clavel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 16635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
419 Medicare Part D claims for 156 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Ondansetron Odt24 claims
- Amoxicillin-Clavulanate Potass22 claims
- Hydrocodone-Acetaminophen22 claims
- Furosemide17 claims
- Albuterol Sulfate Hfa16 claims
- Losartan Potassium16 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.
Bills Medicare through one group practice
- Community Care Services LLCReno, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Irwin Clavel among 1,229 internal medicine physician records in Nevada
Irwin Clavel, M.D. is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2006 among the 772 with a school on file
- Record last updated2016 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
159 internal medicine physician records list a practice address in Reno
They are 159 of the 11,565 NPPES records with a practice address in Reno, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Reno → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- James Hemsley, DOReno, NV 895021770567539
- Amy Khan, M.D., MPHReno, NV 895021346289964
- Elena Nyhan, M.D.Reno, NV 895021700814399
- Andreia Pop, MDReno, NV 895021174544787
Common questions
What is Irwin Clavel, M.D.'s NPI number?
Irwin Clavel, M.D.'s National Provider Identifier (NPI) is 1932319860, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Irwin Clavel, M.D. located?
The NPPES record lists a practice address at 1155 Mill St, Reno, NV, 89502. Phone: (775) 982-7878. Providers update this record themselves, so call before visiting.
How can I verify Irwin Clavel, M.D.'s license?
NPPES lists Nevada license number 16635, 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 Irwin Clavel, M.D. prescribe under Medicare Part D?
In 2024, Irwin Clavel, M.D. had 419 Medicare Part D claims for 156 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.