NPPES file of Aug 9, 2026

Matthew Chang

Ophthalmology Physician · Loma Linda, CA

Matthew Chang is an ophthalmology physician with a practice address in Loma Linda, California, and NPI 1558940254, issued on Apr 8, 2021. Check the license (California A181703, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558940254
Name
Matthew Chang
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
A181703 CA
MTL-2026-003 GU
TLL-2025-002 GU
Self-reported in NPPES; status is on the state search
Practice location
11370 Anderson St # 1800, Loma Linda, CA 92354
Phone
(909) 558-2154
Enumerated
Apr 8, 2021
Record last updated
Feb 4, 2026
Medicare enrollment
Enrolled (PECOS I20250811002118); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →

Also registered at 11370 Anderson St # 1800

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

  1. Safa Arfeen, MDOphthalmology Physician1154944437
  2. Jack Creagmile, MDGlaucoma Specialist (Ophthalmology) Physician1659909497
  3. Michelle Hoang, ODOptometrist1619718848
  4. Mohammad Pakravan, MDGlaucoma Specialist (Ophthalmology) Physician1609459239
  5. Douglas Van Putten, MD,FACSOphthalmology Physician1851378558

Verify Matthew Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A181703    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
Open 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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Bills Medicare through 2 group practices

  1. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
  2. General Conference Corp OF SdaTamuning, GU

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Chang among 2,899 ophthalmology physician records in California

Matthew Chang is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 96% of them.

  • NPI issued2021 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2021 · median 2001 among the 1,907 with a school on file
  • Record last updated2026 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 ophthalmology physician records list a practice address in Loma Linda

They are 38 of the 4,863 NPPES records with a practice address in Loma Linda, and 2,899 ophthalmology physician records in California.

All 2,899 in California → Every provider in Loma Linda → Ophthalmology Physician nationwide →

The 8 ophthalmology physician records with the nearest ZIP codes

  1. John Affeldt, MDLoma Linda, CA 923541275523375
  2. Larry Bowes, M.D.Loma Linda, CA 923541164454930
  3. Leslie Bruce-Lyle, M.D.Loma Linda, CA 923541316048382
  4. Kakarla Chalam, MDLoma Linda, CA 923541336112812
  5. William Clegg, M.D.Loma Linda, CA 923541790717403
  6. Howard Gimbel, M.D.Loma Linda, CA 923541578591921
  7. Garima Lal, MDLoma Linda, CA 923541285616490
  8. Harvey Lashier, M.D.Loma Linda, CA 923541528079258

Common questions

What is Matthew Chang's NPI number?

Matthew Chang's National Provider Identifier (NPI) is 1558940254, issued on Apr 8, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Chang located?

The NPPES record lists a practice address at 11370 Anderson St # 1800, Loma Linda, CA, 92354. Phone: (909) 558-2154. Providers update this record themselves, so call before visiting.

How can I verify Matthew Chang's license?

NPPES lists California license number A181703, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

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.