Brad Clayton Barth, M.D.
Anesthesiology Physician · Needles, CA
Brad Clayton Barth, M.D. is an anesthesiology physician with a practice address in Needles, California, and NPI 1104894336, issued on Mar 14, 2006. Check the license (California A66743, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brad Clayton Barth
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A66743 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1401 Bailey Ave, Needles, CA 92363
- Phone
- (760) 326-7141
- Enumerated
- Mar 14, 2006
- Record last updated
- Sep 26, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (760) 326-7167
- Medicaid IDs
- 00A667430 CA
443341 AZ - Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1401 Bailey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brad Clayton Barth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average anesthesiology physician in 2024
357 Medicare Part D claims for 134 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass32 claims
- Azithromycin22 claims
- Albuterol Sulfate Hfa21 claims
- Prednisone20 claims
- Doxycycline Monohydrate17 claims
- Tramadol Hcl16 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.
Brad Clayton Barth among 7,571 anesthesiology physician records in California
Brad Clayton Barth, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 anesthesiology physician record lists a practice address in Needles
They are 1 of the 47 NPPES records with a practice address in Needles, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Needles → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Erica Evans, MDLoma Linda, CA 923571831622075
- Erlinda Guzon-Castro, MDLoma Linda, CA 923571598865305
- Martin Le, M.D.Loma Linda, CA 923571023220894
- Phebe Mosaad, MDLoma Linda, CA 923571033216981
- Elena Rudoy, M.D.Loma Linda, CA 923571598914772
- Abdul Samady, MDLoma Linda, CA 923571538266580
- Lauren Bitterman, MDLoma Linda, CA 923541083343859
- Eric Drinhaus, MDLoma Linda, CA 923541598401309
Common questions
What is Brad Clayton Barth, M.D.'s NPI number?
Brad Clayton Barth, M.D.'s National Provider Identifier (NPI) is 1104894336, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brad Clayton Barth, M.D. located?
The NPPES record lists a practice address at 1401 Bailey Ave, Needles, CA, 92363. Phone: (760) 326-7141. Providers update this record themselves, so call before visiting.
How can I verify Brad Clayton Barth, M.D.'s license?
NPPES lists California license number A66743, 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 Brad Clayton Barth, M.D. prescribe under Medicare Part D?
In 2024, Brad Clayton Barth, M.D. had 357 Medicare Part D claims for 134 beneficiaries; the average among anesthesiology physician prescribers was 402. 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.