NPPES file of Aug 9, 2026

Marc H. Shishima, DDS

Dentist · Alhambra, CA

Marc H. Shishima, DDS is a dentist with a practice address in Alhambra, California, and NPI 1427118918, issued on Dec 12, 2006. Check the license (California 35028, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427118918
Name
Marc H. Shishima
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
35028 CA
Self-reported in NPPES; status is on the state search
Practice location
330 S Garfield Ave, Alhambra, CA 91801
Phone
(626) 289-1148
Enumerated
Dec 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(626) 289-8327
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 330 S Garfield Ave

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

  1. Steven BergaraDentist1417033176
  2. Christy Byun, NPFamily Nurse Practitioner1760723761
  3. Angelica Kuo, D.C.Chiropractor1922178581
  4. Andrew Lam, F.N.P.Family Nurse Practitioner1568787216
  5. Susan MendozaPrimary Care Nurse Practitioner1124426127
  6. Andrew Wong, D.D.S.General Practice Dentistry1740379742

Verify Marc H. Shishima 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 35028
    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.

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Marc H. Shishima among 14,729 dentist records in California

Marc H. Shishima, DDS is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileNo · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 dentist records list a practice address in Alhambra

They are 35 of the 1,802 NPPES records with a practice address in Alhambra, and 14,729 dentist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 dentist records with the nearest ZIP codes

  1. Steven BergaraAlhambra, CA 918011417033176
  2. Wen-Cheng Cheng, DDSAlhambra, CA 918011407998156
  3. Mohammad Dabbousi, DDSAlhambra, CA 918011609941210
  4. Stephen Dang, DMDAlhambra, CA 918011265450522
  5. Walter Lam, D.D.S.Alhambra, CA 918011508922782
  6. Hank Lee, DDSAlhambra, CA 918011487636817
  7. Kris Murakawa, D.D.S.Alhambra, CA 918011659553550
  8. Lynn Mutch, DDSAlhambra, CA 918011568547693

Common questions

What is Marc H. Shishima, DDS's NPI number?

Marc H. Shishima, DDS's National Provider Identifier (NPI) is 1427118918, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc H. Shishima, DDS located?

The NPPES record lists a practice address at 330 S Garfield Ave, Alhambra, CA, 91801. Phone: (626) 289-1148. Providers update this record themselves, so call before visiting.

How can I verify Marc H. Shishima, DDS's license?

NPPES lists California license number 35028, 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. 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.