NPPES file of Aug 9, 2026

Doctors and health care providers in Monrovia, CA

17,347 individual NPPES records list a practice address in Monrovia, 8th of 812 California cities. The largest group is behavior technician: 16,526, 95% of the city's records, against 18% across California. Page 16 of 347.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Monrovia

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Monrovia in California

  • Rank in California8th of 812 cities by records
  • Share of the state1.8% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups96.4% of all records
  • Behavior Technician rank1st of the 10 California cities with the most

Compared with California as a whole, Monrovia has 5.4× the state's share of behavior technician records and 0.09× its share of marriage & family therapist records.

Providers in Monrovia, alphabetically

  1. Lidia ArayaBehavior Technician1427907351
  2. Claudia Arboleda-Nogosek, CF SLPSpeech-Language Pathologist1124823471
  3. Tyler ArcaBehavior Technician1194412254
  4. Audrey ArceBehavior Technician1982487856
  5. Maria ArceBehavior Technician1235985722
  6. Monique Arce CorralesBehavior Technician1609589621
  7. Christian Arce Cuen, NONEBehavior Technician1629731625
  8. Jaylean Arce-EliasBehavior Technician1396522397
  9. Juan ArceoBehavior Technician1730971607
  10. Delaney ArcherBehavior Technician1851176572
  11. Donnasha ArcherBehavior Technician1760285480
  12. Ian ArcherBehavior Technician1255203675
  13. Sereniyu ArcherBehavior Technician1407571490
  14. Robin ArcheyBehavior Technician1164110912
  15. Christopher ArchilaBehavior Technician1295651099
  16. Angelica ArchuletaBehavior Technician1194561639
  17. Kaelyn ArchuletaBehavior Technician1093507964
  18. Vanessa ArchuletaBehavior Technician1790429553
  19. Samantha ArciaBehavior Technician1174276828
  20. Diana ArcigaBehavior Technician1619688652
  21. Michele ArcigaBehavior Technician1174222079
  22. Stephanie ArcigaBehavior Technician1740094903
  23. Lorena ArcosBehavior Technician1790495984
  24. Maria ArcosBehavior Technician1366231276
  25. Jennifer M ArcuriBehavior Technician1346070604
  26. Katelynn AreheartBehavior Technician1811770720
  27. Brianna ArellanoBehavior Technician1952255424
  28. Elissha ArellanoBehavior Technician1437998853
  29. Guillermina ArellanoBehavior Technician1326969585
  30. Jenny ArellanoBehavior Technician1851007835
  31. Taylor ArellanoBehavior Technician1972257053
  32. Alexandra Arellano- CarreraBehavior Technician1720864044
  33. Elianna ArendainBehavior Technician1346756657
  34. Nicole ArendtBehavior Technician1235004235
  35. Rhonda ArendtBehavior Technician1982552337
  36. Amber ArevaloBehavior Technician1962320549
  37. Ashley ArevaloBehavior Technician1275376220
  38. Jasmin ArevaloBehavior Technician1487381398
  39. Jocelyn ArevaloBehavior Technician1841976453
  40. Myriam ArevaloBehavior Technician1881527059
  41. Neisha ArevaloBehavior Technician1912783234
  42. Nubit ArevaloBehavior Technician1619760089
  43. David AreyzagaStudent in an Organized Health Care Education/Training Program1689557951
  44. Adriana ArgoteBehavior Technician1164295986
  45. Laura ArguelloBehavior Technician1114643442
  46. Cindy ArguetaBehavior Technician1780543157
  47. Isabella ArguetaBehavior Technician1073461943
  48. Joana ArgumedoBehavior Technician1417674623
  49. Ashley AriasBehavior Technician1174312482
  50. Cynthia AriasBehavior Technician1235714072

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

How to read this directory

Monrovia, California appears in the CMS National Plan and Provider Enumeration System with 17,347 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Monrovia - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Monrovia practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Monrovia is weighted toward Behavior Technician (16,526 clinicians, followed by Behavior Analyst with 109 and Marriage & Family Therapist with 94). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to California's population, Monrovia reports roughly 44.5 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of California's most common specialties, Addiction (Substance Use Disorder) Counselor is the most prominent one with no provider currently listing a Monrovia practice address, a coverage gap Monrovia patients typically fill by traveling to a larger nearby hub.

For Monrovia patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Monrovia, CA?

There are 17,347 registered healthcare providers in Monrovia, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Monrovia?

The most common specialties in Monrovia are Behavior Technician, Behavior Analyst, Marriage & Family Therapist, Speech-Language Pathologist, Student in an Organized Health Care Education/Training Program. Behavior Technician has the most providers with 16,526.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

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.