NPPES file of Aug 9, 2026

Randall L. Lonsbrough, DDS

Prosthodontics · San Luis Obispo, CA

Randall L. Lonsbrough, DDS is a prosthodontics with a practice address in San Luis Obispo, California, and NPI 1750397410, issued on Aug 1, 2006. Check the license (California 40663, 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
1750397410
Name
Randall L. Lonsbrough
Credential
DDS
Primary taxonomy
Prosthodontics 1223P0700X
License number
40663 CA
Self-reported in NPPES; status is on the state search
Practice location
628 California Blvd, San Luis Obispo, CA 93401
Phone
(805) 544-3204
Enumerated
Aug 1, 2006
Record last updated
Dec 8, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(805) 544-3240
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 628 California Blvd

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

  1. Brian BolenbaughHearing Instrument Specialist1275958571
  2. Lawrence Fogel, MDNeurology Physician1649253162
  3. Kimberly Johnson, O.D.Optometrist1366595639
  4. Steven Johnson, MDOphthalmology Physician1679581581
  5. Mark Sherman, MDOphthalmology Physician1326056235

Verify Randall L. Lonsbrough 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 40663
    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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26% fewer Medicare Part D claims than the average prosthodontics in 2024

67 Medicare Part D claims for 39 beneficiaries, against an average of 90 among the 1,779 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.

  1. Randall Lonsbrough67
  2. Specialty average90

Most prescribed

  1. Penicillin V Potassium23 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: $34.25

1 payment: food and beverage; the largest payer was Solventum Corporation. The 1,408 providers of this specialty with any payment received $3,465.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Randall Lonsbrough$34.25
  2. Specialty average$3,465.28

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Randall L. Lonsbrough among 474 prosthodontics records in California

Randall L. Lonsbrough, DDS is one of 474 prosthodontics records with a practice address in California. 61% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 75% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2014 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Prosthodontics providers in California

There are 474 prosthodontics records in California.

The 8 prosthodontics records with the nearest ZIP codes

  1. Devin Stewart, D.D.S.San Luis Obispo, CA 934011275955569
  2. John Hutton, DDSArroyo Grande, CA 934201962624668
  3. Stanley Muenter, DDSAtascadero, CA 934221750766390
  4. Amerian Sones, DMD, M.S.Santa Maria, CA 934541538371927
  5. Charles Edwards, DDSBakersfield, CA 933111013966019
  6. Dana Yeoman, D.D.S.Bakersfield, CA 933011932265147
  7. Mark Kizior, D.M.D., M.S.Clovis, CA 936121306001169
  8. Jin Cha, DDSReedley, CA 936541891820700

Common questions

What is Randall L. Lonsbrough, DDS's NPI number?

Randall L. Lonsbrough, DDS's National Provider Identifier (NPI) is 1750397410, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Randall L. Lonsbrough, DDS located?

The NPPES record lists a practice address at 628 California Blvd, San Luis Obispo, CA, 93401. Phone: (805) 544-3204. Providers update this record themselves, so call before visiting.

How can I verify Randall L. Lonsbrough, DDS's license?

NPPES lists California license number 40663, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Randall L. Lonsbrough, DDS prescribe under Medicare Part D?

In 2024, Randall L. Lonsbrough, DDS had 67 Medicare Part D claims for 39 beneficiaries; the average among prosthodontics prescribers was 90. 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.