NPPES file of Aug 9, 2026

Pediatric Pulmonology Physician in California

139 NPPES records list pediatric pulmonology physician with a practice address in California, 0.4 per 100,000 residents, the 31st highest rate of 49. Palo Alto and San Diego have the most; each record links to the provider's NPI and the California license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0214X · method

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

Palo Alto has the most, 29

  1. Palo Alto29
  2. San Diego23
  3. Los Angeles22
  4. Sacramento9
  5. San Francisco9

Pediatric Pulmonology Physician records in California

  1. Bugsu Ovunc, M.D, PHDTorrance, CA 905051891086088
  2. Sebnem Ozdogan, M.D.Modesto, CA 953561912188053
  3. David PanekSan Francisco, CA 941431770902637
  4. Dhakshitha Peddisetty, MDMadera, CA 936361093376964
  5. Iris Perez, MDSan Diego, CA 921231144328378
  6. Mark Pian, M.D.San Diego, CA 921231750452413
  7. Annabelle Quizon, M.D.San Diego, CA 921231740237445
  8. Angela Ramos, MDLos Angeles, CA 900271093807539
  9. Aparna Rao, MDSan Diego, CA 921231649222340
  10. Zacharia Reda, M.D.Fountain Valley, CA 927081487658936
  11. Sudhakar Reddivalam, M.D.Madera, CA 936381003969429
  12. Lauro Roberto, M.D.Fresno, CA 937201194878512
  13. Terry Robinson, M.D.Palo Alto, CA 943041396769840
  14. Mindy Ross, M.D.Los Angeles, CA 900951861628828
  15. Julie Ryu, M.D.San Diego, CA 921231568533321
  16. Muhammad Saeed, M.D.Los Angeles, CA 900271528184603
  17. Daniella Safatian, MDLos Angeles, CA 900951578950010
  18. John Saito, MDFountain Valley, CA 927081851352678
  19. Gregory Shay, MDOakland, CA 946111356429153
  20. Xin Si, MDPalo Alto, CA 943041639581804
  21. Ruth Siew, M.D.San Francisco, CA 941431255674479
  22. Eugene Sohn, MDLos Angeles, CA 900271023264553
  23. Joseph Stathos, DOLong Beach, CA 908061073010799
  24. Lea Steffes, MDPalo Alto, CA 943041427477744
  25. Renee Stromsness, M.D.Oakland, CA 946091659534188
  26. Mary Anne Tablizo, MDPalo Alto, CA 943041295889905
  27. Pornchai Tirakitsoontorn, M.D.Orange, CA 928681427085810
  28. Michael Tracy, MDPalo Alto, CA 943041295995751
  29. Elman Trias, M.D.Sacramento, CA 958251225019052
  30. Filomena Hazel Villa, M.D.Madera, CA 936361689861007
  31. Rachna Wadia, MDPalo Alto, CA 943041710201603
  32. Sally Ward, MDLos Angeles, CA 900271629169107
  33. Lauren Witcoff, M.D.Palo Alto, CA 943041265454250
  34. Matthew Wong, DO, MPHLos Angeles, CA 900271336593771
  35. Marlyn Woo, MDWest Hollywood, CA 900481477651842
  36. Deena Yousif, M.D.Madera, CA 936361770979437
  37. Anchalee Yuengsrigul, M.D.Orange, CA 928681700972536
  38. Eric Zee, MDPalo Alto, CA 943041053426494
  39. Christina Zhang, M.D.Los Angeles, CA 900271134514680

Source: CMS NPPES, primary taxonomy 2080P0214X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 31 of 49 per resident

  1. New Mexico0.4
  2. Iowa0.4
  3. Maine0.4
  4. California0.4
  5. Maryland0.4
  6. West Virginia0.3
  7. 50 states and D.C.0.5

Source: CMS NPPES, primary taxonomy 2080P0214X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

61.2% of these records appear in a Medicare file, against 62.1% 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. California61.2%
  2. United States62.1%

Pediatric Pulmonology Physician records in California, measured

  • In a Medicare file85 of 139 · 61.2% here, 62.1% nationally
  • In the CMS Doctors and Clinicians file45 · 32.4% here, 35.7% nationally
  • Not updated in five years or more64 · 46.0% here, 53.0% nationally
  • Median graduation year2006 · the 45 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0214X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

139 NPPES records list pediatric pulmonology physician (2080P0214X) as their primary taxonomy with a practice address in California: 0.4 per 100,000 residents against 0.5 nationally (50 states and D.C.). Palo Alto has 29 of them (21%).

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 York126
  2. Texas124
  3. Ohio106
  4. Florida86

States with a similar rate per 100,000

  1. Maryland0.4
  2. Iowa0.4
  3. Michigan0.3
  4. Arizona0.3

The largest states

  1. New York126
  2. Texas124
  3. Ohio106
  4. Florida86
  5. Pennsylvania84

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.