NPPES file of Aug 9, 2026

Judy Chang

Neurology Physician · Oakland, CA

Judy Chang is a neurology physician with a practice address in Oakland, California, and NPI 1265574388, issued on Feb 13, 2007. Check the license (California A70198, as entered in NPPES) on the Medical Board of California; 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
1265574388
Name
Judy Chang
Primary taxonomy
Neurology Physician 2084N0400X
License number
A70198 CA
Self-reported in NPPES; status is on the state search
Practice location
818 Webster St, Oakland, CA 94607
Phone
(510) 986-6800
Enumerated
Feb 13, 2007
Record last updated
Jan 14, 2009 (not updated in 17 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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Also registered at 818 Webster St

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

  1. Christine Araneta, PAPhysician Assistant1780747238
  2. Gilbert Nolly ArcillaBehavior Technician1164046082
  3. Ivy CaiRegistered Nurse1982458915
  4. Yan CaiLicensed Vocational Nurse1477195717
  5. Clayton Chan, MDInternal Medicine Physician1972682037
  6. Florence ChanRegistered Nurse1649827593

Verify Judy 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 A70198
    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

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Neurology Physician providers in California

There are 2,339 neurology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other neurology physician records in California

  1. Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
  2. John Aalbers, M.D.San Diego, CA1942262431
  3. Kafia Abbasi, M.D.French Camp, CA1215114897
  4. Puya Abbassi, D.O.San Jose, CA1831695428
  5. Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
  6. Diana Abdulrahman, M.D.Pomona, CA1518276880
  7. Hadi Abou El Hassan, MDLos Angeles, CA1053995720
  8. John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
  9. Saheil AboutalibLong Beach, CA1548551112
  10. Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522

Common questions

What is Judy Chang's NPI number?

Judy Chang's National Provider Identifier (NPI) is 1265574388, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Judy Chang located?

The NPPES record lists a practice address at 818 Webster St, Oakland, CA, 94607. Phone: (510) 986-6800. Providers update this record themselves, so call before visiting.

How can I verify Judy Chang's license?

NPPES lists California license number A70198, 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. 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.