NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104894336
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
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1401 Bailey Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Walla Alfaraj, M.DEmergency Medicine Physician1851746630
  2. Ian Butler, D.O.Emergency Medicine Physician1376807354
  3. Wantzy Cooper, D.O.Vascular Surgery Physician1942383393
  4. Karl TaboraFamily Nurse Practitioner1225826720
  5. Knaya Tabora, RNAdministrator Registered Nurse1376217232

Verify Brad Clayton Barth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A66743    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Brad Barth357
  2. Specialty average402

Most prescribed

  1. Amoxicillin-Clavulanate Potass32 claims
  2. Azithromycin22 claims
  3. Albuterol Sulfate Hfa21 claims
  4. Prednisone20 claims
  5. Doxycycline Monohydrate17 claims
  6. 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.

1 anesthesiology physician records list 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 →

Other anesthesiology physician records in California

  1. Alison A'Court, MDSan Diego, CA1912218199
  2. Elma Abad-Pelsang, MDDel Mar, CA1689611923
  3. Rolando Abada, M.D.San Diego, CA1952319071
  4. Maher Abadir, MDTurlock, CA1669491718
  5. Jerry Abajian, M.D.Napa, CA1851336218
  6. Carolyn AbbasiLoma Linda, CA1811287311
  7. Christine Abboud, D.O.Walnut Creek, CA1174901508
  8. Steven Abboud, MDPalo Alto, CA1619364908
  9. Therese Abboud, M.D.Coronado, CA1003112913
  10. Mohammed Abdel Rahim, M.B.CH.BNewport Beach, CA1255520854

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.