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 225 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. Kamaya NichollsBehavior Technician1962163071
  2. Meghann NichollsBehavior Technician1770278129
  3. Ashley NicholsBehavior Technician1134929532
  4. Brentney NicholsBehavior Technician1598472433
  5. Catrinia NicholsBehavior Technician1871447524
  6. Elyse NicholsBehavior Technician1932908514
  7. Nikyra NicholsBehavior Technician1154154136
  8. Zoe NicholsBehavior Technician1346096278
  9. Chase NicholsonBehavior Technician1174302442
  10. Christina NicholsonBehavior Technician1437022910
  11. Emily Nickel, BCABABehavior Analyst1003377300
  12. Ashley NickelsonBehavior Technician1316645005
  13. Tanisha NickensBehavior Technician1558288365
  14. Demetrise NickersonBehavior Technician1710787601
  15. Jannine NickpeeBehavior Technician1104692383
  16. James NiebauerBehavior Technician1871252452
  17. Jennifer NieblaBehavior Technician1306703319
  18. Daniela NieblasBehavior Technician1306643184
  19. Katherine NielBehavior Technician1609595735
  20. Kathryn NielsenBehavior Technician1164174173
  21. Madeline NielsenBehavior Technician1518688514
  22. Emily NiemannBehavior Technician1639934979
  23. Maia NiemenBehavior Technician1023937216
  24. Brianne NierodaBehavior Technician1225859655
  25. Krista NierrasBehavior Technician1558225904
  26. Gavin NiesBehavior Technician1306550504
  27. Diana NietoBehavior Technician1164162608
  28. Gabriel NietoBehavior Technician1114786324
  29. Johana NietoBehavior Technician1003680356
  30. Kassandra NietoBehavior Technician1003770462
  31. Angelica NievesBehavior Technician1669161808
  32. Bernice NievesBehavior Technician1780401398
  33. Jacqueline NievesBehavior Technician1982558631
  34. Mya NievesBehavior Technician1386426153
  35. Rosalinda NievesBehavior Technician1457038846
  36. Victor NievesBehavior Technician1346007663
  37. Zayshaliz NievesBehavior Technician1356087118
  38. Jeanette Nieves-LebronBehavior Technician1801729835
  39. Devonya NightingaleBehavior Technician1184309551
  40. Harry Nigoghosian, D.D.S.Dentist1851705560
  41. Johnny Nigoghosian, D.D.S.Dentist1821402538
  42. Elaine NikolakakisBehavior Technician1942035696
  43. Jacob NikolsonBehavior Technician1871450882
  44. Asaneth NilaBehavior Technician1497487136
  45. Chad Nilson, CPProsthetics Case Management1225430754
  46. Nicholas NilssonBehavior Technician1760369672
  47. Corey NimmerBehavior Technician1144053760
  48. Natalie NimzBehavior Technician1841903499
  49. Angie NinhBehavior Technician1083342737
  50. Jade NixonBehavior Technician1417780537

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.