Roger L. Claypool, M.D.
Family Medicine Physician · Mammoth Lakes, CA
Roger L. Claypool, M.D. is a family medicine physician with a practice address in Mammoth Lakes, California, and NPI 1952692378, issued on Apr 20, 2011. Check the license (California G34589, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roger L. Claypool
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G34589 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1934 Meridian Blvd., Mammoth Lakes, CA 93546
- Phone
- (760) 977-1797
- Enumerated
- Apr 20, 2011
- Record last updated
- Apr 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (760) 924-7733
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Roger L. Claypool in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
72 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
Roger L. Claypool among 17,133 family medicine physician records in California
Roger L. Claypool, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Mammoth Lakes
They are 4 of the 167 NPPES records with a practice address in Mammoth Lakes, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Mammoth Lakes → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mary Bassler, M.D.Mammoth Lakes, CA 935461922153014
- Peter Clark, M.D.Mammoth Lakes, CA 935461528113628
- Dennis Crunk, M.D.Mammoth Lakes, CA 935461437204534
- George Kibler, MDLone Pine, CA 935451184657637
- Dennis Schumacher, M.D.Lone Pine, CA 935451295810604
- Rosa Gomez, M.D.Palmdale, CA 935501801919220
- Ricahrd Hyatt, M.D.Palmdale, CA 935501578533972
- William Landes, M.D.Palmdale, CA 935501134360803
Common questions
What is Roger L. Claypool, M.D.'s NPI number?
Roger L. Claypool, M.D.'s National Provider Identifier (NPI) is 1952692378, issued on Apr 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Roger L. Claypool, M.D. located?
The NPPES record lists a practice address at 1934 Meridian Blvd., Mammoth Lakes, CA, 93546. Phone: (760) 977-1797. Providers update this record themselves, so call before visiting.
How can I verify Roger L. Claypool, M.D.'s license?
NPPES lists California license number G34589, 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 Roger L. Claypool, M.D. prescribe under Medicare Part D?
In 2024, Roger L. Claypool, M.D. had 72 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.