Leonard Rudolph Leon, M.D.
Obstetrics & Gynecology Physician · Grass Valley, CA
Leonard Rudolph Leon, M.D. is an obstetrics & gynecology physician with a practice address in Grass Valley, California, and NPI 1942253299, issued on May 18, 2006. Check the license (California G32693, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Leonard Rudolph Leon
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G32693 CA
Self-reported in NPPES; status is on the state search - Practice location
- 280 Sierra College Dr, Grass Valley, CA 95945
- Phone
- (530) 273-8486
- Enumerated
- May 18, 2006
- Record last updated
- Oct 9, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (530) 271-0505
- Medicaid ID
- 00G326930 CA
- Entity
- Type 1 · individual
Also registered at 280 Sierra College Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kisha Hughes, MDInternal Medicine Physician1265627160
- Thomas Kanomata, MDInternal Medicine Physician1659336543
- Shalvi ShailiFamily Nurse Practitioner1003514274
Verify Leonard Rudolph Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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- Nada Abou-HaibaLos Angeles, CA1134067549
Common questions
What is Leonard Rudolph Leon, M.D.'s NPI number?
Leonard Rudolph Leon, M.D.'s National Provider Identifier (NPI) is 1942253299, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Rudolph Leon, M.D. located?
The NPPES record lists a practice address at 280 Sierra College Dr, Grass Valley, CA, 95945. Phone: (530) 273-8486. Providers update this record themselves, so call before visiting.
How can I verify Leonard Rudolph Leon, M.D.'s license?
NPPES lists California license number G32693, 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.
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.