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 152 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. George ZhuSan Diego, CA 921271679956031
  2. Janet Zhu, D.O.Moreno Valley, CA 925551659710127
  3. Jialing ZhuFrench Camp, CA 952311679134597
  4. Shiyin Zhu, M.D.San Diego, CA 921231073879664
  5. Ming Zhuo-Stine, M.D.Stanford, CA 943051669761987
  6. Fahimeh Ziadlourad, MDLos Angeles, CA 900951346279288
  7. Eric Zimmer, M.D.San Diego, CA 921231760494991
  8. Zachary Zimmerman, MDVallejo, CA 945891447338280
  9. Marc Zinser, M.D.San Diego, CA 921231063436087
  10. Keren Ziv, MDLos Angeles, CA 900951669414140
  11. Steven Zlatt, M.D.Encino, CA 914361386633303
  12. Ramin Zolfagari, MDAnaheim, CA 928071528135399
  13. Jose Zozaya, M.D.Glendora, CA 917411760679922
  14. Farhat Zubair, M.D.La Palma, CA 906231215000724
  15. Jonathan Zucker, MDGoleta, CA 931111235103235
  16. Ken Zuckerman, M.D.Oakland, CA 946091356355499
  17. Laura Zung, MDWest Hollywood, CA 900481770842395
  18. Joanne Zupan, MDSan Diego, CA 921201851449797
  19. Richard Zupp, MDFresno, CA 937201881626356
  20. Erin Zurflu, M.D.Truckee, CA 961611629331558
  21. Micaela ZywickiSan Diego, CA 921231659907558

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.