NPPES file of Aug 9, 2026

Pediatric Urology Physician in California

46 NPPES records list pediatric urology physician with a practice address in California, 0.1 per 100,000 residents, the 31st highest rate of 48. Orange and San Diego have the most; each record links to the provider's NPI and the California license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2088P0231X · method

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

Orange has the most, 7

  1. Orange7
  2. San Diego6
  3. Palo Alto5
  4. Berkeley4
  5. Los Angeles4

Pediatric Urology Physician records in California

  1. Madhu Alagiri, M.D.San Diego, CA 921231619083961
  2. Alireza Alam, M.D.Long Beach, CA 908061851717151
  3. Shumyle Alam, M.D.Madera, CA 936361073638870
  4. Ahmed Ali, M.D.Orange, CA 928681053783860
  5. Babak Bamshad, M.D.Los Angeles, CA 900481437282936
  6. Michael Bishai, MDPasadena, CA 911011689761157
  7. Paul Campbell, D.O.San Diego, CA 921341003255936
  8. Joshua Chamberlin, M.D.Loma Linda, CA 923541861759102
  9. Yvonne Chan, MDSacramento, CA 958171326301102
  10. Andy ChangLos Angeles, CA 900281255522538
  11. Catherine Chen, MDLoma Linda, CA 923541124373329
  12. George Chiang, M.D.San Diego, CA 921231093773954
  13. Sung Choe, M.D.West Covina, CA 917901326041427
  14. Kai-Wen Chuang, M.D.Orange, CA 928681851529242
  15. Hillary Copp, MD, MSSan Francisco, CA 941431851500573
  16. Michael Disandro, M.D.Oakland, CA 946091972539963
  17. Jon Floyd, MDBerkeley, CA 947051457428021
  18. Erin Grantham, MDPalo Alto, CA 943041568748424
  19. Liann Hagey, M.D.Walnut Creek, CA 945961528181278
  20. Daniel Han, MDPalo Alto, CA 943041609211366
  21. Nicholas Holmes, M.D.San Diego, CA 921231124000211
  22. Gene Huang, M.D.Loma Linda, CA 923541679717250
  23. Kathy Hoi Yan Huen, MD, MPHLos Angeles, CA 900951811316755
  24. Kathleen Kan, MDPalo Alto, CA 943041275890923
  25. William Kennedy, MDPalo Alto, CA 943041881734655
  26. Antoine Khoury, MDOrange, CA 928681275704611
  27. Albert Lee, D.O.Sacramento, CA 958171649650631
  28. Chi Lee, MDBerkeley, CA 947051194883769
  29. Sarah Marietti Shepherd, M.D.San Diego, CA 921231801094115
  30. Catherine NguyenOrange, CA 928681902347347
  31. David Nudell, MDSan Jose, CA 951241912070889
  32. Robert Panvini, MDSan Jose, CA 951241346313210
  33. Robert Payne, M.D.Stanford, CA 943051780949156
  34. Joel Piser, MDBerkeley, CA 947051275600850
  35. Cayde Ritchie, MDPalo Alto, CA 943041891283461
  36. Esequiel Rodriguez, M.D.Madera, CA 936361316987159
  37. Michael Scott, M.D.Lynwood, CA 902621609963750
  38. Stephen Shapiro, M.D.Sacramento, CA 958251487728507
  39. Linda Shortliffe, M.D.Stanford, CA 943051083763494
  40. Heidi Stephany, M.D.Orange, CA 928681093759110
  41. Kelly Swords, MD, MPHSan Diego, CA 921231316101256
  42. Yuding Wang, MD MSC FRCSCLos Angeles, CA 900271124776620
  43. Zhan Tao Wang, M.D.Orange, CA 928681093190290
  44. Elias Wehbi, MDOrange, CA 928681568803013
  45. Jeffrey Wieder, MDBerkeley, CA 947051760559264
  46. Jennifer Yang, M.D.San Francisco, CA 941431598938243

Source: CMS NPPES, primary taxonomy 2088P0231X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 31 of 48 per resident

  1. Louisiana0.1
  2. Arkansas0.1
  3. North Dakota0.1
  4. California0.1
  5. Pennsylvania0.1
  6. Virginia0.1
  7. 50 states and D.C.0.2

Source: CMS NPPES, primary taxonomy 2088P0231X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

73.9% of these records appear in a Medicare file, against 72.1% 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. California73.9%
  2. United States72.1%

Pediatric Urology Physician records in California, measured

  • In a Medicare file34 of 46 · 73.9% here, 72.1% nationally
  • In the CMS Doctors and Clinicians file28 · 60.9% here, 46.0% nationally
  • Not updated in five years or more24 · 52.2% here, 50.8% nationally
  • Median graduation year2002 · the 28 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2088P0231X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

46 NPPES records list pediatric urology physician (2088P0231X) as their primary taxonomy with a practice address in California: 0.1 per 100,000 residents against 0.2 nationally (50 states and D.C.). Orange has 7 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. Florida45
  2. Texas50
  3. New York39
  4. Ohio38

States with a similar rate per 100,000

  1. Pennsylvania0.1
  2. Virginia0.1
  3. Michigan0.1
  4. New Jersey0.1

The largest states

  1. Texas50
  2. Florida45
  3. New York39
  4. Ohio38
  5. Tennessee20

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.