NPPES file of Aug 9, 2026

Romulo Lorenzo Deleon, D.D.S.,M.S.

Endodontics · San Bernardino, CA

Romulo Lorenzo Deleon, D.D.S.,M.S. is an endodontics with a practice address in San Bernardino, California, and NPI 1861576134, issued on Oct 24, 2006. Check the license (California 23907, 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
1861576134
Name
Romulo Lorenzo Deleon
Credential
D.D.S.,M.S.
Primary taxonomy
Endodontics 1223E0200X
License number
23907 CA
Self-reported in NPPES; status is on the state search
Practice location
1849 Commercenter East, San Bernardino, CA 92408
Phone
(909) 884-4741
Enumerated
Oct 24, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(909) 885-8244
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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Verify Romulo Lorenzo Deleon 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 23907
    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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6.7 times the Medicare Part D claims of the average endodontics in 2024

808 Medicare Part D claims for 328 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Romulo Deleon808
  2. Specialty average121

Most prescribed

  1. Amoxicillin404 claims
  2. Ibuprofen271 claims
  3. Clindamycin Hcl54 claims
  4. Chlorhexidine Gluconate31 claims
  5. Amoxicillin-Clavulanate Potass28 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: $379.13

13 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Romulo Deleon$379
  2. Specialty average$49,740

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

Romulo Lorenzo Deleon among 1,018 endodontics records in California

Romulo Lorenzo Deleon, D.D.S.,M.S. is one of 1,018 endodontics records with a practice address in California. 68% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 73% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in California

There are 1,018 endodontics records in California.

The 8 endodontics records with the nearest ZIP codes

  1. Mattison Donaldson, DDSSan Bernardino, CA 924081962018945
  2. Timothy Tobias, D.D.S.San Bernardino, CA 924081235294711
  3. David WolfeSan Bernardino, CA 924081114947108
  4. Parth Karia, D.M.D., M.A., B.S.San Bernardino, CA 924071770931065
  5. Debra Meadows, DDSSan Bernardino, CA 924041902937311
  6. Bao Nguyen, DDSSan Bernardino, CA 924041487768743
  7. Matthew Chesler, DDSSan Diego, CA 924151366435141
  8. Peter Cho, DDSVictorville, CA 923951861686636

Common questions

What is Romulo Lorenzo Deleon, D.D.S.,M.S.'s NPI number?

Romulo Lorenzo Deleon, D.D.S.,M.S.'s National Provider Identifier (NPI) is 1861576134, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Romulo Lorenzo Deleon, D.D.S.,M.S. located?

The NPPES record lists a practice address at 1849 Commercenter East, San Bernardino, CA, 92408. Phone: (909) 884-4741. Providers update this record themselves, so call before visiting.

How can I verify Romulo Lorenzo Deleon, D.D.S.,M.S.'s license?

NPPES lists California license number 23907, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Romulo Lorenzo Deleon, D.D.S.,M.S. prescribe under Medicare Part D?

In 2024, Romulo Lorenzo Deleon, D.D.S.,M.S. had 808 Medicare Part D claims for 328 beneficiaries; the average among endodontics prescribers was 121. 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.