NPPES file of Aug 9, 2026

Pediatric Allergy/Immunology Physician in California

52 NPPES records list pediatric allergy/immunology physician with a practice address in California, 0.1 per 100,000 residents, the 22nd highest rate of 42. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 1 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0201X · 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, 17

  1. Los Angeles17
  2. San Francisco10
  3. Palo Alto6
  4. Sacramento2
  5. San Bernardino2

Pediatric Allergy/Immunology Physician records in California

  1. Sarah Afzal, MDPalo Alto, CA 943041477014959
  2. Barbara Ariue, M.D.San Bernardino, CA 924081013930874
  3. Alan Burckin, MDWalnut Creek, CA 945971285103440
  4. Manish Butte, M.D., PH.D.Los Angeles, CA 900951801861216
  5. Angela Chang, M.D.San Francisco, CA 941431518233808
  6. Talal Chatila, M.D.Los Angeles, CA 900951952321846
  7. Laurence Cheng, MD, PHDSan Francisco, CA 941431164636593
  8. Stuart Chudnofsky, MDRancho Mirage, CA 922701023719689
  9. Joseph Church, MDLos Angeles, CA 900271942393095
  10. Morton Cowan, M.D.San Francisco, CA 941431053354456
  11. Victoria Dimitriades, MDSacramento, CA 958171588850309
  12. Alejandro Dorenbaum-Kracer, MDPalo Alto, CA 943041447385232
  13. Morna Dorsey, M.D.San Francisco, CA 941581487663019
  14. Mark Ellis, M.D.Orange, CA 928681568569424
  15. John Faraci, MDLoma Linda, CA 923541104845775
  16. Houshang Farhadian, MDSanta Clarita, CA 913551427152727
  17. Ronald Ferdman, MDLos Angeles, CA 900271275626202
  18. Elizabeth FeuilleLos Angeles, CA 900671447549019
  19. Kerry Gallagher, M.D.Los Angeles, CA 900951881618031
  20. Maria Garcia-Lloret, M.D.Los Angeles, CA 900951881618015
  21. Marshall Goldberg, M.D.Encino, CA 913161841378841
  22. Brian Greenberg, M.D.Tarzana, CA 913561821023201
  23. Anthony Hirsch, MDOjai, CA 930231316269038
  24. Neema Izadi, MD, MSLos Angeles, CA 900271003278086
  25. Matthew Kan, MD, PHDSan Francisco, CA 941431164884797
  26. Duke Kim, MDMission Viejo, CA 926911780690636
  27. Tania Kimia, MDSanta Monica, CA 904041295934826
  28. Caroline KuoLos Angeles, CA 900951043402332
  29. Chris Landon, M.D.Ventura, CA 930031427118868
  30. Marilyn Li, MDLos Angeles, CA 900331528260825
  31. Steven Machtinger, MDSan Francisco, CA 941081093719437
  32. Sara MattySan Diego, CA 921051265167506
  33. Edward McCabe, MDLos Angeles, CA 900951932212255
  34. Sean McGhee, M.D.Palo Alto, CA 943041083721351
  35. Farhan MurshedSan Francisco, CA 941431164956702
  36. Anh Nguyen, MDSacramento, CA 958171356735799
  37. Ly Nguyen, M.D.Torrance, CA 905051295823862
  38. Vinh Nguyen, MDSan Bernardino, CA 924081295231868
  39. Chad Oh, M.D.Torrance, CA 905021568472421
  40. Peck Ong, MDLos Angeles, CA 900271659478865
  41. Tammy Peng, M.D.Los Angeles, CA 900951770999765
  42. Jennifer Puck, M.D.San Francisco, CA 941581871525378
  43. Gary Rachelefsky, MDLos Angeles, CA 900951104936756
  44. Stephanie Rodriguez, PNPLos Angeles, CA 900271336821594
  45. Rebecca Saenz, M.D., PH.D.Palo Alto, CA 943041932528957
  46. Gabriel Salinas Cisneros, MDSan Francisco, CA 941431548642911
  47. Richard Shames, MDPalo Alto, CA 943041538294855
  48. Benjamin Solomon, MD, PHDPalo Alto, CA 943041689170490
  49. Charles Song, M.D.Los Angeles, CA 900951790792869
  50. Steven Song, M.D.Richmond, CA 948011235251216

Source: CMS NPPES, primary taxonomy 2080P0201X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 22 of 42 per resident

  1. Florida0.2
  2. Michigan0.1
  3. Connecticut0.1
  4. California0.1
  5. Iowa0.1
  6. Minnesota0.1
  7. 50 states and D.C.0.2

Source: CMS NPPES, primary taxonomy 2080P0201X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

82.7% of these records appear in a Medicare file, against 65.4% 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. California82.7%
  2. United States65.4%

Pediatric Allergy/Immunology Physician records in California, measured

  • In a Medicare file43 of 52 · 82.7% here, 65.4% nationally
  • In the CMS Doctors and Clinicians file26 · 50.0% here, 36.5% nationally
  • Not updated in five years or more28 · 53.8% here, 55.9% nationally
  • Median graduation year1996 · the 26 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0201X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

52 NPPES records list pediatric allergy/immunology physician (2080P0201X) 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.). Los Angeles has 17 of them (33%).

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. Ohio50
  2. New York57
  3. Pennsylvania43
  4. Florida40

States with a similar rate per 100,000

  1. Michigan0.1
  2. North Carolina0.1
  3. Texas0.1
  4. Illinois0.2

The largest states

  1. New York57
  2. Ohio50
  3. Pennsylvania43
  4. Florida40
  5. Texas36

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.