Registry data as of Aug 27, 2026

Mark Marcus, D.D.S.

General Practice Dentistry · Sherman Oaks, CA

Mark Marcus, D.D.S. is a general practice dentistry with a practice address in Sherman Oaks, California, and NPI 1144423666, issued on Jun 11, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1144423666
Name
Mark Marcus
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
13320 Riverside Dr, Sherman Oaks, CA 91423
Phone
(818) 789-8892
Enumerated
Jun 11, 2007
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.
Download card Updates feed

Also registered at 13320 Riverside Dr

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

  1. Eun Hee Chung, DDSPediatric Dentistry1457643850
  2. Steven Drell, MDInternal Medicine Physician1790832111
  3. Michael Franco, M.D.Family Medicine Physician1902143670
  4. Gillian Giorgio, PA-CMedical Physician Assistant1235451436
  5. Herman Kagan, MDInternal Medicine Physician1134276579
  6. Melanie Landay, MDReproductive Endocrinology Physician1811148760

Verify Mark Marcus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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 →

36 general practice dentistry records list a Sherman Oaks practice address

They are 36 of the 2,691 NPPES records with a Sherman Oaks practice address, and 17,740 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 Mark Marcus, D.D.S.'s NPI number?

Mark Marcus, D.D.S.'s National Provider Identifier (NPI) is 1144423666, issued on Jun 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Marcus, D.D.S. located?

The NPPES record lists a practice address at 13320 Riverside Dr, Sherman Oaks, CA, 91423. Phone: (818) 789-8892. Providers update this record themselves, so call before visiting.

How can I verify Mark Marcus, D.D.S.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.