Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Clinton James Masterson, M.D.

Emergency Medicine Physician in South Lake Tahoe, CA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1407067168

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Registry record

Entity type Individual (Type 1)

Name Dr. Clinton James Masterson

Credential M.D.

Sex Male

Practice address 2170 South Ave, South Lake Tahoe, CA, 96150

Phone (530) 541-3420

Enumeration date May 24, 2007

Last updated in NPPES Oct 19, 2020

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 234413 (NY) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 44775 (CO) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License A100433 (CA) Primary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 12330 (NV) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License M7408 (TX) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
1407067168	Medicaid	NV	-
1407067168	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Clinton Masterson?

The National Provider Identifier (NPI) for Clinton Masterson is 1407067168, a Type 1 (individual) record in the CMS NPPES registry.

Where does Clinton Masterson practice?

The practice location on file with NPPES is in South Lake Tahoe, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-19.