Clayton O. Barbour, M.D.
Internal Medicine Physician · Cathedral City, CA
Clayton O. Barbour, M.D. is an internal medicine physician with a practice address in Cathedral City, California, and NPI 1326137589, issued on Oct 12, 2006. Check the license (California G73985, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clayton O. Barbour
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G73985 CA
Self-reported in NPPES; status is on the state search - Practice location
- 68555 Ramon RD, Cathedral City, CA 92234
- Phone
- (760) 507-3310
- Enumerated
- Oct 12, 2006
- Record last updated
- Apr 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G739850 CA
- Medicare enrollment
- Enrolled (PECOS I20040617000486); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 68555 Ramon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bruce Hinton, PA-CMedical Physician Assistant1447538236
- Gennady Nosovitsky, PA-CMedical Physician Assistant1780007708
- Brandi Teegarden, FNPFamily Nurse Practitioner1043724933
Verify Clayton O. Barbour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average internal medicine physician in 2024
14,161 Medicare Part D claims for 179 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 311 claims were for opioids.
Most prescribed
- Atorvastatin Calcium499 claims
- Rosuvastatin Calcium427 claims
- Tivicay426 claims
- Tamsulosin Hcl343 claims
- Testosterone304 claims
- Montelukast Sodium299 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.
Industry payments in 2024: $1,596.05
14 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Dap Health IncPalm Springs, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clayton O. Barbour among 17,696 internal medicine physician records in California
Clayton O. Barbour, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1982 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 internal medicine physician records list a practice address in Cathedral City
They are 11 of the 362 NPPES records with a practice address in Cathedral City, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Cathedral City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ruba Alchaikh HassanCathedral City, CA 922341952046450
- Janpreet Bhandohal, M.D.Cathedral City, CA 922341497107825
- William Christensen, MDCathedral City, CA 922341205920691
- Carlos Gutierrez Garibay, MDCathedral City, CA 922341679260681
- Gary Huang, MDCathedral City, CA 922341013960756
- Victoria Malkhasyan, M.D.Cathedral City, CA 922341689038499
- Namrata Sekhon, M.D.Cathedral City, CA 922341942613484
- Abram Soliman, MDCathedral City, CA 922341962082545
Common questions
What is Clayton O. Barbour, M.D.'s NPI number?
Clayton O. Barbour, M.D.'s National Provider Identifier (NPI) is 1326137589, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clayton O. Barbour, M.D. located?
The NPPES record lists a practice address at 68555 Ramon RD, Cathedral City, CA, 92234. Phone: (760) 507-3310. Providers update this record themselves, so call before visiting.
How can I verify Clayton O. Barbour, M.D.'s license?
NPPES lists California license number G73985, 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 Clayton O. Barbour, M.D. prescribe under Medicare Part D?
In 2024, Clayton O. Barbour, M.D. had 14,161 Medicare Part D claims for 179 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.