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 3 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. Shanglei Liu, M.D.San Diego, CA 921031043558653
  2. Wendy Liu, M.D.Woodland Hills, CA 913671992952741
  3. Nicole Lopez, M.DSan Diego, CA 921031518163005
  4. Leonard Lovalvo, MDFresno, CA 937201154401628
  5. Mari Madsen, M.D.West Hollywood, CA 900481942286638
  6. David Magner, M.D.Beverly Hills, CA 902101033321757
  7. Thomas Magrino, M.D.Woodland, CA 956951508886755
  8. Lorenc Malellari, MDBakersfield, CA 933011710329396
  9. Seija Maniskas, MD, MSUpland, CA 917861861015729
  10. Joseph Matthews, MDChico, CA 959261750461661
  11. Richard Matthews, MDChico, CA 959261841450145
  12. Anamaria McElrath-Garza, M.D.Glendale, CA 912041720289044
  13. Brian McGuinness, M.D.Walnut Creek, CA 945981891870770
  14. Elisabeth McLemore, M.D.La Jolla, CA 920931649255621
  15. Jennifer McNeil, M.D.Stockton, CA 952041366465841
  16. Kurt Melstrom, MDGlendora, CA 917411508026832
  17. Siamak Milanchi, M.D.Irvine, CA 926181083829956
  18. Miquell Miller, MD, MSCSacramento, CA 958171467862789
  19. Steven Mills, MDLong Beach, CA 908221174633127
  20. Jamal Modir, MDSan Jose, CA 951241336223270
  21. Mohammed Iyoob Mohammed Ilyas, MDRancho Mirage, CA 922701902160195
  22. Beth Moore, M.D.West Hollywood, CA 900481720139488
  23. George Moro, M.D.Orange, CA 928681255416715
  24. Arden Morris, MDPalo Alto, CA 943041033210042
  25. Jose Muniz Castro, M.D.Rancho Mirage, CA 922701841723657
  26. Vijay Muraliraj, MDTorrance, CA 905051295935757
  27. Zuri Murrell, M.D.Beverly Hills, CA 902111881625267
  28. James Myers, MDCarmichael, CA 956081285611194
  29. Dena Nasir, MDGlendale, CA 912041083272819
  30. Daniel Ng, MDNewport Beach, CA 926631265523351
  31. Ngoc Patrick Nguyen, MDFontana, CA 923351417153552
  32. Erik Noren, M.D.Sacramento, CA 958171245776434
  33. Kathleen O'Farrell, M.D.San Diego, CA 921341265541197
  34. Asya Ofshteyn, MD, MPHSan Jose, CA 951241275929606
  35. William Oh, M.D.Irvine, CA 926181598100323
  36. Adrian Ortega, M.D.Los Angeles, CA 900891386920718
  37. Kyle Ota, M.D., MPHVisalia, CA 932911942682117
  38. Lisa ParkLarkspur, CA 949391568857142
  39. Gabrielle PerrottiFresno, CA 937101508326752
  40. Todd Peterson, M.D.San Diego, CA 921341386640548
  41. Beverley Petrie, M.D.Torrance, CA 905021275544116
  42. Nana Pianim, MDHarbor City, CA 907101073661914
  43. Alessio Pigazzi, M.D.Los Angeles, CA 900481205935913
  44. Babak Rad, M.D.Newport Beach, CA 926631821013046
  45. Elizabeth Raskin, MDSacramento, CA 958171730359431
  46. Vemuru Sunil Reddy, MDEncino, CA 914361639451578
  47. Kim Rhoads, MDStanford, CA 943051720266539
  48. David Rodriguez, M.D.Sacramento, CA 958191972793685
  49. John Roe, MDSacramento, CA 958231841378585
  50. David Rosenfeld, MDLos Angeles, CA 900481831105873

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.