NPPES file of Aug 9, 2026

Ophthalmology Physician in California

2,899 NPPES records list ophthalmology physician with a practice address in California, 7.4 per 100,000 residents, the 14th highest rate of 51. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 38 of 58.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207W00000X · method

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

Los Angeles has the most, 308

  1. Los Angeles308
  2. San Francisco167
  3. San Diego147
  4. Sacramento95
  5. San Jose59

Ophthalmology Physician records in California

  1. Robert Neger, MDSan Jose, CA 951281639265770
  2. Ted Nehrenberg, MDCosta Mesa, CA 926261497077580
  3. Mitra Nejad, MDLos Angeles, CA 900951023363223
  4. Mohammad Reza Nejad, MDEncino, CA 914361235203449
  5. Andrew Nelson, MDSacramento, CA 958171558990515
  6. Robert Nelson, MDGualala, CA 954451104962638
  7. Alan Nerenberg, M.D.Fresno, CA 937201255422051
  8. Anthony Nesburn, MDLos Angeles, CA 900481588678957
  9. Kristin Nesburn, MDLos Angeles, CA 900481003827056
  10. John Nesemann, MD, MSCSan Francisco, CA 941431124777586
  11. Melissa Neuwelt, M.D.Berkeley, CA 947021093917247
  12. Robert Neves, M.D.San Ramon, CA 945831245238682
  13. Judith Nevitt, M.D.Redwood City, CA 940611194816058
  14. Leonard Newman, MDHercules, CA 945471902950132
  15. Nancy Newman, MDSan Diego, CA 921201194884775
  16. Adrienne Ng, MDRoseville, CA 956781366949349
  17. Diana Ng, MDLa Jolla, CA 920371710112941
  18. Quoc-Tuan Ngo, MDDowney, CA 902421437787645
  19. Angeline Nguyen, MDStanford, CA 943051033505805
  20. Anne Nguyen, M.D.Monterey Park, CA 917541750588034
  21. Annie Nguyen, M.D.Los Angeles, CA 900331851711733
  22. Bao-Thu Nguyen, M.D.Long Beach, CA 908071538137666
  23. Brian Nguyen, MDValencia, CA 913551912469792
  24. Christine Nguyen, M.D.Fountain Valley, CA 927081780017897
  25. Eddy Nguyen, M.D.Van Nuys, CA 914051548311053
  26. Elena Nguyen, MDFoster City, CA 944041235592387
  27. Elizabeth Nguyen, D.O.Fountain Valley, CA 927081689891640
  28. Filbert Nguyen, MDWoodland, CA 956951437443983
  29. Hau Nguyen, M.D.San Jose, CA 951281528155835
  30. Huy Nguyen, M.D.Stanford, CA 943051497140446
  31. Khoa Nguyen, M.D.San Jose, CA 951281518982057
  32. Loan Nguyen, M.D.Fresno, CA 937101922168715
  33. Ngoc Nguyen, M.D.San Jose, CA 951161609935113
  34. Pho Nguyen, M.D.Los Angeles, CA 900331447415609
  35. Quang Nguyen, M.D.La Jolla, CA 920371689636250
  36. Randall Nguyen, MDLong Beach, CA 908071750382008
  37. Richard Nguyen, M.D.Garden Grove, CA 928441134178486
  38. Thao Nguyen, M DSan Diego, CA 921111154352185
  39. Theresa Nguyen, D.O.Redwood City, CA 940631427206093
  40. Thuy Nguyen, M.D.Daly City, CA 940151245273770
  41. Tri Nguyen, M.D.Fountain Valley, CA 927081669436002
  42. Triet Nguyen, M.D.Westminster, CA 926831306807789
  43. Trung Nguyen, M.D.Fountain Valley, CA 927081316941966
  44. Uyen Nguyen, MDSacramento, CA 958171205774445
  45. Van Nguyen, MDLos Angeles, CA 900331902337645
  46. Trinh NhuLong Beach, CA 908051083698336
  47. Nina Ni, MDSanta Rosa, CA 954031780959734
  48. Bonnie Nickel, M.D.San Rafael, CA 949031881874709
  49. Katherine Niemeyer, MDSan Francisco, CA 941431972007318
  50. Duane Nii, M.D.Fresno, CA 937201346463460

Source: CMS NPPES, primary taxonomy 207W00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 14 of 51 per resident

  1. Oregon7.6
  2. Minnesota7.6
  3. Wisconsin7.5
  4. California7.4
  5. Illinois7.2
  6. New Hampshire7.1
  7. 50 states and D.C.6.7

Source: CMS NPPES, primary taxonomy 207W00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

78.5% of these records appear in a Medicare file, against 77.8% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. California78.5%
  2. United States77.8%

Ophthalmology Physician records in California, measured

  • In a Medicare file2,277 of 2,899 · 78.5% here, 77.8% nationally
  • In the CMS Doctors and Clinicians file1,909 · 65.9% here, 65.5% nationally
  • Not updated in five years or more1,945 · 67.1% here, 63.6% nationally
  • Median graduation year2001 · the 1,907 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207W00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,899 NPPES records list ophthalmology physician (207W00000X) as their primary taxonomy with a practice address in California: 7.4 per 100,000 residents against 6.7 nationally (50 states and D.C.). Los Angeles has 308 of them (11%).

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 York1,822
  2. Florida1,581
  3. Texas1,514
  4. Pennsylvania1,088

States with a similar rate per 100,000

  1. Wisconsin7.5
  2. Minnesota7.6
  3. Oregon7.6
  4. Illinois7.2

The largest states

  1. New York1,822
  2. Florida1,581
  3. Texas1,514
  4. Pennsylvania1,088
  5. Illinois898

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.