NPPES file of Aug 9, 2026

Colon & Rectal Surgery Physician in California

198 NPPES records list colon & rectal surgery physician with a practice address in California, 0.5 per 100,000 residents, the 36th highest rate of 50. Los Angeles and Sacramento have the most; each record links to the provider's NPI and the California license search. Page 4 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208C00000X · 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, 20

  1. Los Angeles20
  2. Sacramento12
  3. Fresno10
  4. San Diego10
  5. San Francisco9

Colon & Rectal Surgery Physician records in California

  1. David Row, M.D.Loma Linda, CA 923541871797118
  2. Carmen Ruiz, MDGlendale, CA 912041003886490
  3. Marcia Russell, MDLos Angeles, CA 900951346398245
  4. Maryam Saidy, M.D.Anaheim, CA 928061669792263
  5. Gail Salganick-Erfani, MDSacramento, CA 958341912976622
  6. Ankit Sarin, M.D., M.H.A.Sacramento, CA 958171639337843
  7. Mark Scherrer, MDTravis Afb, CA 945351487641155
  8. Mark Segall, M.D.Los Gatos, CA 950321437232451
  9. Stephen Sentovich, M.D.South Pasadena, CA 910301245293760
  10. Skandan Shanmugan, MDOrange, CA 928681982845574
  11. Deepa Sharma, MDFresno, CA 937201689866493
  12. Imad Shbeeb, MDLos Alamitos, CA 907201720063464
  13. Andrew Shelton, M.D.Stanford, CA 943051710029681
  14. Matthew Sherman, M.D.Irvine, CA 926181942216940
  15. Joongho Shin, MDLos Angeles, CA 900331821389263
  16. Scott Sligh, M.D.Burbank, CA 915051104869056
  17. Thomas Sokol, MDWest Hollywood, CA 900481952452799
  18. Sahael Stapleton, MDVacaville, CA 956881124276548
  19. Jeffrey Sternberg, M.D.San Francisco, CA 941151922001858
  20. Richard StrakerOrange, CA 928681194257972
  21. James Stricker, MDSan Francisco, CA 941151942388541
  22. Sarath Sujatha-BhaskarLong Beach, CA 908221063856169
  23. Gene Syn, M.D.Laguna Hills, CA 926531487842720
  24. Alison Tammany, M.D.Salinas, CA 939011821484130
  25. Jeffrey Toman, M.D.San Diego, CA 921031134112626
  26. Alexander Tovar, M DBurbank, CA 915051245228519
  27. Adam Truong, MDWest Hollywood, CA 900481376032342
  28. Poornima Vanguri, MDWalnut Creek, CA 945981144457375
  29. Valery Vilchez, M.D.Orange, CA 928681073992624
  30. Petar Vukasin, M.D.Glendale, CA 912041659385516
  31. John Wade, M.D.Fresno, CA 937101346297330
  32. Autar Wali, M.D.Pomona, CA 917681164601449
  33. David Wang, MDSherman Oaks, CA 914111053808303
  34. Sonny Wang, M.D.Irvine, CA 926181811187560
  35. Lynn Weston, MDLa Jolla, CA 920371053482000
  36. Matthew Whealon, MDColton, CA 923241902163710
  37. Roy Won, M.D.Fullerton, CA 928351225470354
  38. Michael Worsey, MDLa Jolla, CA 920371629091145
  39. Ching-Fong Wu, DOVisalia, CA 932771912018177
  40. Lucille Yao, MDWest Hollywood, CA 900481982190088
  41. Laurence Yee, M.D.San Francisco, CA 941181053314989
  42. Stephen Yoo, M.D.Beverly Hills, CA 902101679695340
  43. Dong Hum Yoon, MDFullerton, CA 928351477915767
  44. Jeanne Yu, MDSacramento, CA 958161528086956
  45. Robert Yuhan, MDFontana, CA 923351144397969
  46. J Peter Zegarra, MDSacramento, CA 958251245217371
  47. Yasmin ZerhouniArcadia, CA 910071467722124
  48. Catherine Zhu, M.D.Orange, CA 928681457705683

Source: CMS NPPES, primary taxonomy 208C00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 36 of 50 per resident

  1. Wisconsin0.5
  2. Maryland0.5
  3. West Virginia0.5
  4. California0.5
  5. New Hampshire0.5
  6. Colorado0.5
  7. 50 states and D.C.0.7

Source: CMS NPPES, primary taxonomy 208C00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

87.4% of these records appear in a Medicare file, against 84.7% 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. California87.4%
  2. United States84.7%

Colon & Rectal Surgery Physician records in California, measured

  • In a Medicare file173 of 198 · 87.4% here, 84.7% nationally
  • In the CMS Doctors and Clinicians file149 · 75.3% here, 76.0% nationally
  • Not updated in five years or more107 · 54.0% here, 50.9% nationally
  • Median graduation year2002 · the 149 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208C00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

198 NPPES records list colon & rectal surgery physician (208C00000X) as their primary taxonomy with a practice address in California: 0.5 per 100,000 residents against 0.7 nationally (50 states and D.C.). Los Angeles has 20 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 York199
  2. Texas209
  3. Florida178
  4. Ohio123

States with a similar rate per 100,000

  1. Maryland0.5
  2. Wisconsin0.5
  3. Utah0.5
  4. Nevada0.5

The largest states

  1. Texas209
  2. New York199
  3. Florida178
  4. Ohio123
  5. Pennsylvania122

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.