NPPES file of Aug 9, 2026

Anesthesiology Physician in California

7,571 NPPES records list anesthesiology physician with a practice address in California, 19 per 100,000 residents, the 18th 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 96 of 152.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207L00000X · 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, 762

  1. Los Angeles762
  2. San Diego686
  3. San Francisco499
  4. Sacramento396
  5. Stanford387

Anesthesiology Physician records in California

  1. VI Nghiem, MDFairfield, CA 945351285209379
  2. Can Ngo, M.D.Los Angeles, CA 900331376503631
  3. Donald Ngo, M.D.San Diego, CA 921031225298342
  4. Khanh Ngo, MDSalinas, CA 939011720002652
  5. Laura Ngo, MDFountain Valley, CA 927081528365681
  6. Philip Ngo, M.D.Valencia, CA 913551306812268
  7. Tuan Ngo, MDOrange, CA 928681841752102
  8. Albert Nguyen, MDSan Diego, CA 921031134359094
  9. Alexander Nguyen, MDSan Francisco, CA 941431639751746
  10. Amy Nguyen, MDSylmar, CA 913421548792260
  11. Angeline Nguyen, M.D.Orange, CA 928681548608581
  12. Anthony Nguyen, DOPomona, CA 917671235699935
  13. Austin Nguyen, MDOrange, CA 928681083109797
  14. Bao Nguyen, MDTorrance, CA 905051366020497
  15. Benjamin Nguyen, M.D.Fontana, CA 923351558699827
  16. Brian Nguyen, MDOrange, CA 928681568925618
  17. Brian Nguyen, M.D.Oakland, CA 946091487016762
  18. Chau Nguyen, MDDowney, CA 902421417196429
  19. Christina Nguyen, MDLos Angeles, CA 900951124447115
  20. Christopher Nguyen, M.D.Orange, CA 928681043519606
  21. Chuck Nguyen, M.D.Los Angeles, CA 900331851583793
  22. Chuck Nguyen, MDLos Angeles, CA 900331992320444
  23. Daniel Nguyen, MDDuarte, CA 910101750469565
  24. Dao Nguyen, MDOakland, CA 946091386651834
  25. David Nguyen, D.O.Torrance, CA 905021912351925
  26. David Nguyen, M.D.San Jose, CA 951191639406911
  27. Dominic Nguyen, DOEncino, CA 914361205948312
  28. Don Nguyen, M.D.San Diego, CA 921231346534138
  29. Duc Nguyen, MDLos Angeles, CA 900271205927126
  30. Ethan Nguyen, MDClovis, CA 936111902072424
  31. Francis NguyenCovina, CA 917231265693170
  32. Ha Nguyen, MDMountain View, CA 940401811212723
  33. Hai Nguyen, MDWestminster, CA 926831043482029
  34. Hieu Nguyen, MDTemecula, CA 925921902338478
  35. Hoang Nguyen, M.D.Long Beach, CA 908061659556967
  36. Huan Nguyen, M.D.Torrance, CA 905031730101296
  37. Hung Nguyen, M.D.Fountain Valley, CA 927081245211762
  38. Hung Nguyen, M.D.San Francisco, CA 941431366424327
  39. Huy Nguyen, M.D.Bakersfield, CA 933011326004821
  40. Huynh NguyenLos Angeles, CA 900331912536376
  41. James Nguyen, M.D.West Hollywood, CA 900481689876112
  42. James Nguyen, M.D.Orange, CA 928691679880934
  43. Jason NguyenValencia, CA 913551194229856
  44. Jetson Nguyen, M.D.Temecula, CA 925921790989564
  45. Jim Nguyen, M.D.Santa Ana, CA 927041104237742
  46. John Nguyen, M.D.Los Angeles, CA 900331770724544
  47. John Nguyen, M.D.Palo Alto, CA 943011992993893
  48. Jon Nguyen, M.D.Irvine, CA 926021780605113
  49. Joseph Nguyen, MDSan Diego, CA 921231275982449
  50. Katrina Nguyen, DOLos Angeles, CA 900331417606336

Source: CMS NPPES, primary taxonomy 207L00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 18 of 51 per resident

  1. Montana20
  2. Arizona20
  3. Utah20
  4. California19
  5. Pennsylvania19
  6. Missouri19
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 207L00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

71.3% of these records appear in a Medicare file, against 73.7% 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. California71.3%
  2. United States73.7%

Anesthesiology Physician records in California, measured

  • In a Medicare file5,396 of 7,571 · 71.3% here, 73.7% nationally
  • In the CMS Doctors and Clinicians file4,872 · 64.4% here, 67.2% nationally
  • Not updated in five years or more4,767 · 63.0% here, 57.8% nationally
  • Median graduation year2006 · the 4,868 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207L00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

7,571 NPPES records list anesthesiology physician (207L00000X) as their primary taxonomy with a practice address in California: 19 per 100,000 residents against 18 nationally (50 states and D.C.). Los Angeles has 762 of them (10%).

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 York5,062
  2. Texas4,635
  3. Florida3,375
  4. Illinois2,575

States with a similar rate per 100,000

  1. Utah19.6
  2. Pennsylvania19.1
  3. Arizona19.8
  4. Montana20.0

The largest states

  1. New York5,062
  2. Texas4,635
  3. Florida3,375
  4. Illinois2,575
  5. Pennsylvania2,481

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.