Registry data as of Aug 27, 2026

Justin Mercer, D.D.S.

General Practice Dentistry · Perris, CA

Justin Mercer, D.D.S. is a general practice dentistry with a practice address in Perris, California, and NPI 1477866366, issued on Jul 20, 2010. Check the license (California 59375, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1477866366
Name
Justin Mercer
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
59375 CA
Self-reported in NPPES; status is on the state search
Practice location
3150 Case RD Bldg C, Perris, CA 92570
Phone
(951) 345-4386
Enumerated
Jul 20, 2010
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 3150 Case RD Bldg C

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

  1. Cheerag AminGeneral Practice Dentistry1194252627
  2. Martina Basta, DDSGeneral Practice Dentistry1578455259
  3. Jereme BerryhillStudent in an Organized Health Care Education/Training Program1669901286
  4. Sara El-Sherbini, DMDGeneral Practice Dentistry1407197288
  5. Nicole Habib, DMDDentist1982480919
  6. Golnaz KavandOrthodontics and Dentofacial Orthopedics Dentistry1326531658

Verify Justin Mercer 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 59375
    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

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

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

2.4 times the Medicare Part D claims of the average general practice dentistry in 2024

200 Medicare Part D claims for 71 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D.

  1. Justin Mercer200
  2. Specialty average84

Most prescribed

  1. Chlorhexidine Gluconate64 claims
  2. Amoxicillin58 claims
  3. Ibuprofen48 claims
  4. Clindamycin 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.

Industry payments in 2024: $29.46

2 payments, mostly food and beverage; the largest payer was OraPharma, a division of Bausch Health US, LLC. The 40,968 providers of this specialty with any payment received $593.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justin Mercer$29.46
  2. Specialty average$593.28

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

12 general practice dentistry records list a Perris practice address

They are 12 of the 849 NPPES records with a Perris practice address, and 17,740 general practice dentistry records in California.

Other general practice dentistry records in California

  1. Ronald Aanerud, DDSSan Diego, CA1871752931
  2. Steven Aaronson, D.D.S.Santa Monica, CA1265455851
  3. Shahrzad Aarup, DDSPomona, CA1265784367
  4. Al Abad, DDSSan Jose, CA1104992148
  5. Erwin Abad, D.D.S.Canoga Park, CA1861590093
  6. Francine Abad, DDSSan Francisco, CA1942700810
  7. Maria Abad, D.D.S.Norwalk, CA1215006754
  8. Mark Ryan Abad, DDSDaly City, CA1770357394
  9. Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
  10. Ernesto Abadilla, DDSPalm Desert, CA1508063801

Common questions

What is Justin Mercer, D.D.S.'s NPI number?

Justin Mercer, D.D.S.'s National Provider Identifier (NPI) is 1477866366, issued on Jul 20, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Justin Mercer, D.D.S. located?

The NPPES record lists a practice address at 3150 Case RD Bldg C, Perris, CA, 92570. Phone: (951) 345-4386. Providers update this record themselves, so call before visiting.

How can I verify Justin Mercer, D.D.S.'s license?

NPPES lists California license number 59375, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Justin Mercer, D.D.S. prescribe under Medicare Part D?

In 2024, Justin Mercer, D.D.S. had 200 Medicare Part D claims for 71 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.