NPPES file of Aug 9, 2026

Genetic Counselor (M.S.) in California

942 NPPES records list genetic counselor (m.s.) with a practice address in California, 2.4 per 100,000 residents, the 16th highest rate of 51. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 16 of 19.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 170300000X · 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, 161

  1. Los Angeles161
  2. San Francisco126
  3. Sacramento55
  4. Palo Alto47
  5. Oakland41

Genetic Counselor (M.S.) records in California

  1. Lisa Salz, M.S., C.G.C.La Jolla, CA 920371164867339
  2. Natalie Samson, CGCNewport Beach, CA 926631215659065
  3. Bailey Sanderson, MSGC, LCGCSacramento, CA 958161003401001
  4. Alison Sands, MSSan Francisco, CA 941181205099165
  5. Justin Sanine, MSSan Jose, CA 951231316683501
  6. Nydia Santiago Neal, MSLa Jolla, CA 920371376833863
  7. Maria Sapriza-Ryan, M.S.Duarte, CA 910101508845843
  8. Emily Sarnoff, CGCWest Hollywood, CA 900461750155388
  9. Jessica Sawkins, M.SC.San Francisco, CA 941151548403009
  10. Priya Sawla, MSDuarte, CA 910101538625512
  11. Susan Schelley, MPHPalo Alto, CA 943041497138655
  12. Casey SchererPalo Alto, CA 943041447944269
  13. Johanna Schmidt, MPH, MGCLos Angeles, CA 900251598168312
  14. Gwyneth Schoenbaum, CGCOrange, CA 928681811848963
  15. Katharina Schwan, MS, MPHSan Francisco, CA 941151225675242
  16. Leila Schwanemann, MS, CGCOrange, CA 928681144021940
  17. Alyssa Schweickert, MS, CGCSan Jose, CA 951231699482380
  18. Alicia Scocchia, M.S., L.C.G.C.Laguna Hills, CA 926531376935155
  19. Allyson Scott, M.S.San Francisco, CA 941431093975435
  20. Tricia See, SC.M., C.G.C.San Francisco, CA 941171164755542
  21. Summer Segal, M.S., L.G.C.San Francisco, CA 941431043584055
  22. Susan Selby, GCSan Carlos, CA 940701205270071
  23. Joyce Seldon, MS, CGCLos Angeles, CA 900951467505149
  24. Dmitriy Semyon, PHD, MSMonrovia, CA 910161447899893
  25. Kynoosh Seraji, MS, CGCFresno, CA 937201952043440
  26. Lillian Servais, MS, CGCMountain View, CA 940401932481942
  27. Forum Shah, M.S., LCGCOrange, CA 928681760803050
  28. Rebecca ShapiroSan Carlos, CA 940701740719160
  29. Danielle Sharaga, MSSanta Barbara, CA 931051619313483
  30. Andrew ShawMenlo Park, CA 940251407410913
  31. Susan ShehayebDuarte, CA 910101568989739
  32. Claire Shepherd, MSElk Grove, CA 957571730818170
  33. Jennifer Shin, MSLoma Linda, CA 923541568234664
  34. Tara ShortSan Diego, CA 921231710288485
  35. Amanda ShrewsburySan Luis Obispo, CA 934011013609718
  36. Jenice Sican, M.S.,L.C.G.CModesto, CA 953501740526920
  37. Kristine Sidhu, MSCSan Carlos, CA 940701265015374
  38. Lauren Siems, C.G.C.Los Angeles, CA 900361053860874
  39. Lisa Siewert, LCGCMonrovia, CA 910161649101254
  40. Mara Sifry-Platt, M.S. , C.G.CSacramento, CA 958151821075813
  41. Rebecca Signer, MS, LCGCLos Angeles, CA 900951386156008
  42. Lisa Silva, MS, CGCPalo Alto, CA 943041548118474
  43. Erica Silver, MSSanta Monica, CA 904041083164008
  44. Julia SilverSan Francisco, CA 941431447762695
  45. Jennifer Silverglate, M.S.San Jose, CA 951231437359965
  46. Ellen SimpsonSan Francisco, CA 941431053553206
  47. Kathryn Singh, MPH, MS, CGCOrange, CA 928681396014866
  48. Carly Siskind, M.S.Stanford, CA 943051316248230
  49. Leah Slattery, M.S.San Francisco, CA 941151689877250
  50. Carly Smith, MGCPalo Alto, CA 943041013585892

Source: CMS NPPES, primary taxonomy 170300000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 16 of 51 per resident

  1. Maryland2.6
  2. Colorado2.6
  3. Connecticut2.6
  4. California2.4
  5. Nebraska2.2
  6. Illinois2.2
  7. 50 states and D.C.2.0

Source: CMS NPPES, primary taxonomy 170300000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.0% of these records appear in a Medicare file, against under 0.1% 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. California0.0%
  2. United States0.0%

Genetic Counselor (M.S.) records in California, measured

  • In a Medicare file0 of 942 · 0.0% here, under 0.1% nationally
  • In the CMS Doctors and Clinicians file3 · 0.3% here, 0.5% nationally
  • Not updated in five years or more579 · 61.5% here, 52.2% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 170300000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

942 NPPES records list genetic counselor (m.s.) (170300000X) as their primary taxonomy with a practice address in California: 2.4 per 100,000 residents against 2 nationally (50 states and D.C.). Los Angeles has 161 of them (17%).

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. Pennsylvania432
  2. New York398
  3. Texas344
  4. Ohio340

States with a similar rate per 100,000

  1. Connecticut2.6
  2. Colorado2.6
  3. Nebraska2.2
  4. Maryland2.6

The largest states

  1. Pennsylvania432
  2. New York398
  3. Texas344
  4. Ohio340
  5. Massachusetts277

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.