Karl Reno Clayson, MD
Vascular Surgery Physician · Carmichael, CA
Karl Reno Clayson, MD is a vascular surgery physician with a practice address in Carmichael, California, and NPI 1255360178, issued on Jul 2, 2006. Check the license (California G37488, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karl Reno Clayson
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- G37488 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6403 Coyle Avenue, Carmichael, CA 95608
- Phone
- (916) 961-2820
- Enumerated
- Jul 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (916) 961-2828
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 580 in California → Look up another NPI →
Also registered at 6403 Coyle Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Craig Pfeiffer, MDNeurological Surgery Physician1639194558
Verify Karl Reno Clayson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G37488Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average vascular surgery physician in 2024
22 Medicare Part D claims, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.
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.
Karl Reno Clayson among 580 vascular surgery physician records in California
Karl Reno Clayson, MD is one of 580 vascular surgery physician records with a practice address in California. 84% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
All 580 in California → Every provider in Carmichael → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Tatiana Chadid Santamaria, M.D.Carmichael, CA 956081770871816
- Sebastian Conti, MDCarmichael, CA 956081255405924
- Thomas Elliott, M.D.Davis, CA 956161376654939
- Sydney Garfinkle, M.D.Fair Oaks, CA 956281073871562
- Steven Larson, M.D.Folsom, CA 956301033438593
- Joel Crawford, M.D.Roseville, CA 956611760882401
- Richard Florio, MDRoseville, CA 956611578641247
- Dmitri Gelfand, MDRoseville, CA 956611205093176
Common questions
What is Karl Reno Clayson, MD's NPI number?
Karl Reno Clayson, MD's National Provider Identifier (NPI) is 1255360178, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karl Reno Clayson, MD located?
The NPPES record lists a practice address at 6403 Coyle Avenue, Carmichael, CA, 95608. Phone: (916) 961-2820. Providers update this record themselves, so call before visiting.
How can I verify Karl Reno Clayson, MD's license?
NPPES lists California license number G37488, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karl Reno Clayson, MD prescribe under Medicare Part D?
In 2024, Karl Reno Clayson, MD had 22 Medicare Part D claims; the average among vascular surgery physician prescribers was 201. 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.