NPPES file of Aug 9, 2026

Thomas Gilmer M. Chang, DDS, MS

Orthodontics and Dentofacial Orthopedics Dentistry · Long Beach, CA

Thomas Gilmer M. Chang, DDS, MS is an orthodontics and dentofacial orthopedics dentistry with a practice address in Long Beach, California, and NPI 1184812190, issued on Oct 4, 2007. Check the license (California 15193, 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
1184812190
Name
Thomas Gilmer M. Chang
Credential
DDS, MS
Primary taxonomy
Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
License number
15193 CA
Self-reported in NPPES; status is on the state search
Practice location
455 E Columbia St, Long Beach, CA 90806
Phone
(562) 933-0601
Enumerated
Oct 4, 2007
Record last updated
Oct 4, 2007 (not updated in 19 years: call before relying on the address or phone)
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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8 nearest orthodontics and dentofacial orthopedics dentistry records → All 1,881 in California → Look up another NPI →

Also registered at 455 E Columbia St

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

  1. John Blake, D.D.S.Dentist1861510570
  2. Chi Lok Tiffany Chan, DDSPediatric Dentistry1205401866
  3. Maria Chandler, M.D.Specialist1174717862
  4. Mark Dressner, M.D.Adult Medicine Physician1306942073
  5. Jenny Kree Manimbo, FNPFamily Nurse Practitioner1528413903
  6. Shannon LyRehabilitation Practitioner1962895656

Verify Thomas Gilmer M. Chang 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 15193    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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Thomas Gilmer M. Chang among 1,881 orthodontics and dentofacial orthopedics dentistry records in California

Thomas Gilmer M. Chang, DDS, MS is one of 1,881 orthodontics and dentofacial orthopedics dentistry 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 2007, is newer than 22% of them.

  • NPI issued2007 · 22% of these records are older, 49% 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 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223X0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthodontics and Dentofacial Orthopedics Dentistry providers in California

There are 1,881 orthodontics and dentofacial orthopedics dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,881 in California → Every provider in Long Beach → Orthodontics and Dentofacial Orthopedics Dentistry nationwide →

The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes

  1. Jonathan Beroukhim, DDSLong Beach, CA 908051114419611
  2. Efrain Chara, DENTISTLong Beach, CA 908071144468265
  3. Dunia Gailani, DDSLong Beach, CA 908071518034396
  4. Gary Lyon, DDSLong Beach, CA 908071821367079
  5. Greg Miller, D.D.S., M.S.Long Beach, CA 908071083800783
  6. Garth Reid, DDSLong Beach, CA 908071427184647
  7. Shadi Haykani, DDSLong Beach, CA 908081528705670
  8. Lillian Ho, DDSLong Beach, CA 908081962558221

Common questions

What is Thomas Gilmer M. Chang, DDS, MS's NPI number?

Thomas Gilmer M. Chang, DDS, MS's National Provider Identifier (NPI) is 1184812190, issued on Oct 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Gilmer M. Chang, DDS, MS located?

The NPPES record lists a practice address at 455 E Columbia St, Long Beach, CA, 90806. Phone: (562) 933-0601. Providers update this record themselves, so call before visiting.

How can I verify Thomas Gilmer M. Chang, DDS, MS's license?

NPPES lists California license number 15193, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.