NPPES file of Aug 9, 2026

Vision Therapy Optometrist in California

57 NPPES records list vision therapy optometrist with a practice address in California, 0.1 per 100,000 residents, the 10th highest rate of 41. Berkeley and Campbell have the most; each record links to the provider's NPI and the California license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 152WV0400X · method

Berkeley has the most, 2

Vision Therapy Optometrist records in California

  1. Nguyen Tran, O.D.Walnut Creek, CA 945961255587291
  2. Irven Wagner, O.D.Santa Rosa, CA 954011376687814
  3. Howard Weiss, O.D.Granada Hills, CA 913441396833182
  4. Lisa Weiss, O.D.Rancho Santa Fe, CA 920671790867091
  5. Alan Winkelstein, O.D.Temecula, CA 925911245365865
  6. Elizabeth Yeh, ODPacific Palisades, CA 902721184288862
  7. Jennifer Zhang Yoo, ODNewport Beach, CA 926601164095220

Source: CMS NPPES, primary taxonomy 152WV0400X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 10 of 41 per resident

  1. Maryland0.2
  2. Vermont0.2
  3. Washington0.2
  4. California0.1
  5. Connecticut0.1
  6. Alaska0.1
  7. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 152WV0400X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

57 NPPES records list vision therapy optometrist (152WV0400X) as their primary taxonomy with a practice address in California: 0.1 per 100,000 residents against 0.1 nationally (50 states and D.C.). Berkeley has 2 of them (4%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. New York49
  2. New Jersey20
  3. Texas16
  4. Colorado13

States with a similar rate per 100,000

  1. Washington0.2
  2. Maryland0.2
  3. Georgia0.1
  4. Ohio0.1

The largest states

  1. New York49
  2. New Jersey20
  3. Texas16
  4. Colorado13
  5. Georgia12

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.