NPPES file of Aug 9, 2026

Urology Physician in California

1,524 NPPES records list urology physician with a practice address in California, 3.9 per 100,000 residents, the 37th highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 21 of 31.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208800000X · 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, 226

  1. Los Angeles226
  2. San Diego90
  3. San Francisco88
  4. Orange56
  5. Sacramento43

Urology Physician records in California

  1. Daniel Oberlin, M.D.Berkeley, CA 947051184910044
  2. Anobel Odisho, MDSan Francisco, CA 941431528396231
  3. Michael Oefelein, M.D.Bakersfield, CA 933011598873184
  4. Nathan Oehrlein, M.D.San Diego, CA 921281922399583
  5. Oreoluwa Ogunyemi, M.D.Sebastopol, CA 954721619132537
  6. John Oh, MDWalnut Creek, CA 945961649358730
  7. Paul Oh, MDLaguna Hills, CA 926531740843077
  8. Melineh Ohanjanian, MDVallejo, CA 945891760554414
  9. Joon-Ha Ok, M.D.Martinez, CA 945531336120088
  10. Zhamshid Okhunov, MDLoma Linda, CA 923541699356840
  11. Richard Ontell, MDSanta Maria, CA 934541861580631
  12. Michael Ordon, M.D.Orange, CA 928681801133731
  13. Raul Ordorica, MDRiverside, CA 925051235159773
  14. Vadim Osadchiy, MDStanford, CA 943051407482474
  15. Audley Osbourne, MDLos Angeles, CA 900251992900062
  16. Nathan OsbunLos Angeles, CA 900951548535784
  17. Antonio Otero, M.D.San Francisco, CA 941181053579334
  18. Aaron Ovadia, M.D.Los Angeles, CA 900451548581341
  19. Russell Owens, MDSanta Monica, CA 904041740859388
  20. Charles Page, MDFontana, CA 923351043387053
  21. William Page, MDRancho Mirage, CA 922701750352167
  22. Lawrence Paletz, M.D.Los Alamitos, CA 907201578548897
  23. James Palleschi, M.D.Santa Rosa, CA 954041528088705
  24. James Palmer, MDSanta Rosa, CA 954031972687960
  25. Roland Palvolgyi, MDRoseville, CA 956611952735185
  26. Shu Pan, M.D.Oakland, CA 946091225476989
  27. Stephanie PannellLos Angeles, CA 900951407299225
  28. Allan Pantuck, MDLos Angeles, CA 900951386663227
  29. Ashish Parekh, MDLos Angeles, CA 900341336210269
  30. Farhad Parivar, MDSanta Clara, CA 950511295812147
  31. Anthony Park, MDRiverside, CA 925051265751697
  32. Edward Park, D.O.Los Alamitos, CA 907201366795106
  33. Royal Park, M.D.Torrance, CA 905051336192301
  34. Jerry Parker, MDMontery, CA 939401831204130
  35. Melanie Parker, MDStockton, CA 952101750453502
  36. Charles Parsons, M.D.San Diego, CA 921031588677124
  37. John Parsons, M.D.La Jolla, CA 920931760440101
  38. Erik Pasin, MDMission Viejo, CA 926911134388325
  39. Bharat Patel, MDLos Angeles, CA 900571033282827
  40. Darshan Patel, MDSan Diego, CA 921031417342924
  41. Hetal Patel, MDBellflower, CA 907061770635138
  42. Mayank Patel, M.D.Tarzana, CA 913561669637013
  43. Neil Patel, MDLos Angeles, CA 900271982022604
  44. Nishant Patel, MDTemecula, CA 925921720216153
  45. Parth Patel, M.D.Los Angeles, CA 900951790170249
  46. Parth Patel, MDSan Diego, CA 921031821611203
  47. Roshan Patel, M.D.Orange, CA 928681760774491
  48. Zamip Patel, M.D.French Camp, CA 952311437318326
  49. Apurba Pathak, MDLos Angeles, CA 900341881811354
  50. Christopher Payne, M.D.Palo Alto, CA 943041649315292

Source: CMS NPPES, primary taxonomy 208800000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 37 of 51 per resident

  1. Oklahoma4.0
  2. Iowa4.0
  3. Hawaii4.0
  4. California3.9
  5. Delaware3.8
  6. Arizona3.7
  7. 50 states and D.C.4.3

Source: CMS NPPES, primary taxonomy 208800000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

81.6% of these records appear in a Medicare file, against 79.8% 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. California81.6%
  2. United States79.8%

Urology Physician records in California, measured

  • In a Medicare file1,244 of 1,524 · 81.6% here, 79.8% nationally
  • In the CMS Doctors and Clinicians file1,050 · 68.9% here, 66.7% nationally
  • Not updated in five years or more902 · 59.2% here, 57.2% nationally
  • Median graduation year2003 · the 1,049 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208800000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,524 NPPES records list urology physician (208800000X) as their primary taxonomy with a practice address in California: 3.9 per 100,000 residents against 4.3 nationally (50 states and D.C.). Los Angeles has 226 of them (15%).

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 York1,091
  2. Florida1,020
  3. Texas960
  4. Pennsylvania663

States with a similar rate per 100,000

  1. Hawaii4.0
  2. Iowa4.0
  3. Oklahoma4.0
  4. Delaware3.8

The largest states

  1. New York1,091
  2. Florida1,020
  3. Texas960
  4. Pennsylvania663
  5. Illinois629

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.