NPPES file of Aug 9, 2026

Research Study Abstracter/Coder in California

43 NPPES records list research study abstracter/coder with a practice address in California, 0.1 per 100,000 residents, the 5th highest rate of 30. San Francisco and Ridgecrest have the most; each record links to the provider's NPI and the California license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 1744R1103X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Francisco has the most, 16

  1. San Francisco16
  2. Ridgecrest4
  3. Los Angeles3
  4. Oakland3
  5. Anaheim1

Research Study Abstracter/Coder records in California

  1. Venos Abdulahad, M.S.EDSan Bernardino, CA 924011962934828
  2. Rikke AddisSacramento, CA 958261558491704
  3. Lori BlowersRidgecrest, CA 935551861547549
  4. Lorena BoykinsBakersfield, CA 933051508253030
  5. Anthony BuckmanSan Francisco, CA 941021851712822
  6. Corazon ChaplinOakland, CA 946211275702094
  7. Veronica CobarrubioIndio, CA 922011215388459
  8. Johanna CorizSan Francisco, CA 941031689002420
  9. Kristina DhillonSan Francisco, CA 941021538580550
  10. Gricelda EspinozaLos Angeles, CA 900381306432497
  11. Sharon Farrell, PHDSan Francisco, CA 941031366925604
  12. Stacey GraybillRidgecrest, CA 935551770635013
  13. Ashanti GreenSan Francisco, CA 941031770074569
  14. Michele GuemesRidgecrest, CA 935551467623579
  15. Arifa HaniffSan Francisco, CA 941031437296035
  16. Elisha Heruty, M.A.Hayward, CA 945441073857611
  17. Jasmin Humble, MS & MACulver City, CA 902301104554591
  18. Marielena HyderVictorville, CA 923951053912048
  19. Wanda JohnsonRidgecrest, CA 935551538212360
  20. Jenica LazoSan Francisco, CA 941031912422734
  21. Maria LopezSan Francisco, CA 941031699813311
  22. Zachary MathesonSan Francisco, CA 941021851712830
  23. Irene NexicaSan Francisco, CA 941071205243920
  24. Trang Nguyen, PHD, MPHSan Francisco, CA 941031134540164
  25. Robriana Northern, MEDICAL BILLINGLancaster, CA 935341689433443
  26. Chika NwobuLos Angeles, CA 900181619058054
  27. Kara O'Keefe, PHD, MPHSan Francisco, CA 941021417370628
  28. Seth Pardo, PH.D.San Francisco, CA 941031215382858
  29. Huan PhamSan Diego, CA 921151649995937
  30. Claudia PinedaOakland, CA 946011609172188
  31. Harika PutluriOxnard, CA 930361003381542
  32. Rolando RamirezSan Francisco, CA 941021992126809
  33. Edwin ReyesSanta Fe Springs, CA 906701922729623
  34. Sindy SalgueroLos Angeles, CA 900051790983567
  35. Sandra SchmidtNapa, CA 945581922436856
  36. Jessica SniderSan Francisco, CA 941101821464520
  37. Elizabeth Soriano LaureanoCitrus Heights, CA 956211467954826
  38. Marina TornerOakland, CA 946011104103654
  39. Alice ValenzuelaCampbell, CA 950081215469978
  40. James WestSanta Barbara, CA 931061508099227
  41. Marlette WestConcord, CA 945191710158696
  42. Author YaoAnaheim, CA 928011043720428
  43. Nancy YuSan Francisco, CA 941031568247195

Source: CMS NPPES, primary taxonomy 1744R1103X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 5 of 30 per resident

  1. Arkansas0.1
  2. Nevada0.1
  3. West Virginia0.1
  4. California0.1
  5. Utah0.1
  6. Indiana0.1
  7. 50 states and D.C.0.0

Source: CMS NPPES, primary taxonomy 1744R1103X 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 0.9% 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 States0.9%

Research Study Abstracter/Coder records in California, measured

  • In a Medicare file0 of 43 · 0.0% here, 0.9% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 0.0% nationally
  • Not updated in five years or more35 · 81.4% here, 63.4% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 1744R1103X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

43 NPPES records list research study abstracter/coder (1744R1103X) as their primary taxonomy with a practice address in California: 0.1 per 100,000 residents against 0 nationally (50 states and D.C.). San Francisco has 16 of them (37%).

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.

The largest states

  1. Florida8
  2. Indiana5
  3. Arkansas4
  4. Nevada4
  5. New York4

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.