NPPES file of Aug 9, 2026

Dennis John Beckley, M.D.

Specialist · Martinez, CA

Dennis John Beckley, M.D. is a specialist with a practice address in Martinez, California, and NPI 1437132560, issued on Nov 22, 2005. Check the license (California G22814, as entered in NPPES) with the California board that licenses this profession; 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
1437132560
Name
Dennis John Beckley
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G22814 CA
Self-reported in NPPES; status is on the state search
Practice location
150 Muir RD, Martinez, CA 94553
Phone
(925) 372-2577
Enumerated
Nov 22, 2005
Record last updated
Jul 13, 2026
Fax
(925) 229-4897
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 150 Muir RD

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

  1. Tanya Aaen, PH.D.Clinical Psychologist1477518561
  2. Pamela AdhlakhaOccupational Therapist1013016575
  3. Maria Affinito, LCSWClinical Social Worker1962395905
  4. Janet Alexander, MS-SLPSpeech-Language Pathologist1649214578
  5. Nigina Ali, PHARM.D.Oncology Pharmacist1760022545
  6. Anna AllenPharmacist1164909875

Verify Dennis John Beckley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G22814    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
Find the California license search

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99% fewer Medicare Part D claims than the average specialist in 2024

14 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Dennis Beckley14
  2. Specialty average1,380

Most prescribed

  1. Azelastine Hcl12 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.

Specialist providers in California

There are 5,749 specialist records in California.

All 5,749 in California → Every provider in Martinez →

Other specialist records in California

  1. Fatemeh Abbasi, PTVan Nuys, CA1558496760
  2. Erlinda Abcede, M.D.Cudahy, CA1831228675
  3. Maher Abdallah, M.D.Palm Springs, CA1205988011
  4. Farinaz AbdiSan Marcos, CA1063153963
  5. Mai Abe, LESanta Monica, CA1609405158
  6. Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
  7. Jonas AbellaSan Francisco, CA1679760938
  8. Shreedhar Abhyankar, M.D.Indio, CA1861530669
  9. Elaine AbichRiverside, CA1780458927
  10. Mussarat Abidi, MDLadera Ranch, CA1053307769

Common questions

What is Dennis John Beckley, M.D.'s NPI number?

Dennis John Beckley, M.D.'s National Provider Identifier (NPI) is 1437132560, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dennis John Beckley, M.D. located?

The NPPES record lists a practice address at 150 Muir RD, Martinez, CA, 94553. Phone: (925) 372-2577. Providers update this record themselves, so call before visiting.

How can I verify Dennis John Beckley, M.D.'s license?

NPPES lists California license number G22814, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Dennis John Beckley, M.D. prescribe under Medicare Part D?

In 2024, Dennis John Beckley, M.D. had 14 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.