Marc Hayashi, D.M.D.
General Practice Dentistry · Los Angeles, CA
Marc Hayashi, D.M.D. is a general practice dentistry with a practice address in Los Angeles, California, and NPI 1598077851, issued on Jul 2, 2010. Check the license (California 60054, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marc Hayashi
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License numbers
- 60054 CA
DE 60128317 WA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Medical Plaza Driveway Suite #350, Los Angeles, CA 90095
- Phone
- (310) 794-5750
- Enumerated
- Jul 2, 2010
- Record last updated
- Dec 30, 2025
- Fax
- (310) 825-2951
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Marc Hayashi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 60054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $2,582.12
6 payments; by number, the most common kind was food and beverage; the largest payer was Dmg America LLC. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Marc Hayashi among 17,852 general practice dentistry records in California
Marc Hayashi, D.M.D. is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 68% of them.
- NPI issued2010 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2025 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
916 general practice dentistry records list a practice address in Los Angeles
They are 916 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Los Angeles → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- David Altman, D.D.S.Los Angeles, CA 900951689853301
- Chris Biddle, D.D.S.Los Angeles, CA 900951336369008
- Lillian Cheng, D.D.S.Los Angeles, CA 900951225250301
- Reuben Kim, DDSLos Angeles, CA 900951013126333
- Robert Lindemann, D.D.S.Los Angeles, CA 900951316169667
- Cristina Lopez, D.M.D.Los Angeles, CA 900951073705026
- Ronald Mito, DDSLos Angeles, CA 900951609088434
- William Morgan, DDSLos Angeles, CA 900951003024308
Common questions
What is Marc Hayashi, D.M.D.'s NPI number?
Marc Hayashi, D.M.D.'s National Provider Identifier (NPI) is 1598077851, issued on Jul 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Marc Hayashi, D.M.D. located?
The NPPES record lists a practice address at 100 Medical Plaza Driveway Suite #350, Los Angeles, CA, 90095. Phone: (310) 794-5750. Providers update this record themselves, so call before visiting.
How can I verify Marc Hayashi, D.M.D.'s license?
NPPES lists California license number 60054, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.