Leonard Rene Sanders, M.D.
Endocrinology, Diabetes & Metabolism Physician · Monterey, CA
Leonard Rene Sanders, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Monterey, California, and NPI 1336160613, issued on Jul 21, 2006. Check the license (California G43982, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leonard Rene Sanders
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- G43982 CA
98-149 NM
Self-reported in NPPES; status is on the state search - Practice location
- 2 Upper Ragsdale Dr Bldg A, Monterey, CA 93940
- Phone
- (831) 333-3040
- Enumerated
- Jul 21, 2006
- Record last updated
- May 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (831) 886-3639
- Medicare enrollment
- Enrolled (PECOS I20160113001874); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1975
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 2 Upper Ragsdale Dr Bldg A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leonard Rene Sanders in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G43982Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,059 Medicare Part D claims for 236 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Mounjaro319 claims
- Trulicity250 claims
- Levothyroxine Sodium205 claims
- Jardiance182 claims
- Atorvastatin Calcium179 claims
- Metformin Hcl Er176 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $496.29
15 payments; by number, the most common kind was food and beverage; the largest payer was Beta Bionics, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Montage Medical GroupMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard Rene Sanders among 1,131 endocrinology, diabetes & metabolism physician records in California
Leonard Rene Sanders, M.D. is one of 1,131 endocrinology, diabetes & metabolism 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 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1975 · median 2003 among the 779 with a school on file
- Record last updated2018 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Monterey → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Somayeh Azimi, D.O.Monterey, CA 939401356876999
- Haleh Bassiri, MDMonterey, CA 939401356309041
- James Chu, MDMonterey, CA 939401710969266
- Resmi PremjiMonterey, CA 939401215208913
- Dana Sheely, MDMonterey, CA 939401902036957
- Kearnan Welch, D.O.Monterey, CA 939401720463854
- Allen King, MD, FACP, FACE, CDESalinas, CA 939011649253048
- Nicolas Kissell, NICOLAS KISSELL, MDSalinas, CA 939011336467240
Common questions
What is Leonard Rene Sanders, M.D.'s NPI number?
Leonard Rene Sanders, M.D.'s National Provider Identifier (NPI) is 1336160613, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Rene Sanders, M.D. located?
The NPPES record lists a practice address at 2 Upper Ragsdale Dr Bldg A, Monterey, CA, 93940. Phone: (831) 333-3040. Providers update this record themselves, so call before visiting.
How can I verify Leonard Rene Sanders, M.D.'s license?
NPPES lists California license number G43982, 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 Leonard Rene Sanders, M.D. prescribe under Medicare Part D?
In 2024, Leonard Rene Sanders, M.D. had 3,059 Medicare Part D claims for 236 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Leonard Rene Sanders, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.