Clinton James Masterson, M.D.
Emergency Medicine Physician · South Lake Tahoe, CA
Clinton James Masterson, M.D. is an emergency medicine physician with a practice address in South Lake Tahoe, California, and NPI 1407067168, issued on May 24, 2007. Check the license (California A100433, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clinton James Masterson
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A100433 CA
44775 CO
12330 NV
234413 NY
M7408 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2170 South Ave, South Lake Tahoe, CA 96150
- Phone
- (530) 541-3420
- Enumerated
- May 24, 2007
- Record last updated
- Oct 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- 1407067168 NV
1407067168 CA - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2170 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Anton, MDEmergency Medicine Physician1235392861
- Michelle Appelle, MSPTPhysical Therapist1013070481
- Heather Applegate, PTAPhysical Therapy Assistant1326576893
- B. Patrick BaghdikianAnesthesiology Physician1053417303
- Jeffrey Barbrie, DPTPhysical Therapist1992155527
- Alan Barichievich, MS, PTPhysical Therapist1831254820
Verify Clinton James Masterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average emergency medicine physician in 2024
173 Medicare Part D claims for 112 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Prednisone28 claims
- Doxycycline Monohydrate11 claims
- Oxycodone Hcl11 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.
Clinton James Masterson among 7,751 emergency medicine physician records in California
Clinton James Masterson, M.D. is one of 7,751 emergency 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 emergency medicine physician records list a practice address in South Lake Tahoe
They are 20 of the 568 NPPES records with a practice address in South Lake Tahoe, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in South Lake Tahoe → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Amy Anton, MDSouth Lake Tahoe, CA 961501235392861
- Allison Brewer, MDSouth Lake Tahoe, CA 961501508876228
- Lars Ensign, MDSouth Lake Tahoe, CA 961501750389862
- William Green, MDSouth Lake Tahoe, CA 961501871591099
- Thomas Jantos, MDSouth Lake Tahoe, CA 961501639176415
- Dennis Martinez, MDSouth Lake Tahoe, CA 961501730169111
- Corey Mc Leod, MDSouth Lake Tahoe, CA 961501679621619
- Michael McLaughlin, MDSouth Lake Tahoe, CA 961501124200142
Common questions
What is Clinton James Masterson, M.D.'s NPI number?
Clinton James Masterson, M.D.'s National Provider Identifier (NPI) is 1407067168, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Clinton James Masterson, M.D. located?
The NPPES record lists a practice address at 2170 South Ave, South Lake Tahoe, CA, 96150. Phone: (530) 541-3420. Providers update this record themselves, so call before visiting.
How can I verify Clinton James Masterson, M.D.'s license?
NPPES lists California license number A100433, 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 Clinton James Masterson, M.D. prescribe under Medicare Part D?
In 2024, Clinton James Masterson, M.D. had 173 Medicare Part D claims for 112 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.