NPPES file of Aug 9, 2026

Doctors and health care providers in El Cajon, CA

3,277 individual NPPES records list a practice address in El Cajon, 72nd of 812 California cities. The largest group is behavior technician: 524, 16% of the city's records, against 18% across California. Page 43 of 66.

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

El Cajon in California

  • Rank in California72nd of 812 cities by records
  • Share of the state0.3% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups35.6% of all records

Compared with California as a whole, El Cajon has 4.8× the state's share of addiction (substance use disorder) counselor records and 0.44× its share of internal medicine physician records.

Providers in El Cajon, alphabetically

  1. Minh-Hanh Nguyen, O.D.Optometrist1548313786
  2. Nhi Nguyen, DDSGeneral Practice Dentistry1831186022
  3. Tao Nguyen, DDSGeneral Practice Dentistry1174673024
  4. Vinh NguyenBehavior Technician1891564068
  5. Valerie Nichols, RNAdult Psychiatric/Mental Health Registered Nurse1114393725
  6. Edward NieblasAddiction (Substance Use Disorder) Counselor1700552700
  7. Julie Niedens, PA-CPhysician Assistant1558698399
  8. Karen Nimchuk-Cook, MFTMarriage & Family Therapist1821294943
  9. Gary NimtzAddiction (Substance Use Disorder) Counselor1477078194
  10. Jessica NinbergSpeech-Language Pathologist1811630965
  11. Roxanne Ninteman, AMFT, APCCMental Health Counselor1922658764
  12. Ana Nita-Potts,Behavior Technician1861073918
  13. Shariane NitoPhysical Therapy Assistant1285244863
  14. Cheryl Noble, LCSWClinical Social Worker1447387790
  15. Lora Noble, MA, IMFMarriage & Family Therapist1689707556
  16. Francis Xavier NolanAddiction (Substance Use Disorder) Counselor1134853997
  17. Jamie NolanBehavior Technician1821725938
  18. Ses NoorBehavior Technician1295469898
  19. Jehmon NorrisBehavior Technician1174390850
  20. Nancy NorthClinical Social Worker1053445213
  21. Brett NortonAddiction (Substance Use Disorder) Counselor1588097422
  22. Krystl Novak, MS, OTRLPediatric Occupational Therapist1134241722
  23. Danery NoyolaBehavior Technician1801734652
  24. Emily Nulton, REGISTERED DIETITIANRegistered Dietitian1205292273
  25. Isla NunezAddiction (Substance Use Disorder) Counselor1326685058
  26. Jose Nuno, P.A.Physician Assistant1275543068
  27. Darlene NwagbuoCase Manager/Care Coordinator1578210167
  28. Shannon O'Hagan, PTPhysical Therapist1003818253
  29. Abby O'QuinnCounselor1003948068
  30. Denisse Obeso, PSY.D.Clinical Psychologist1881851384
  31. Toni OcchipintiAddiction (Substance Use Disorder) Counselor1114348224
  32. Jennifer Ocegueda, MSN, FNP-C, PHNFamily Nurse Practitioner1184267411
  33. Paola OchoaMarriage & Family Therapist1134771249
  34. Courtney OchocoBehavior Technician1114846920
  35. Thaghar Oda, FNPPrimary Care Nurse Practitioner1063835692
  36. Marleen OdeeshoBehavior Technician1982386611
  37. Amaal Odish, O.D.Optometrist1295751642
  38. Randall OforiPharmacist1124305974
  39. Monique OglesbyPsychologist1831240720
  40. Deborah Ohls, L. AC.Acupuncturist1235404310
  41. Michelle OjedaRehabilitation Practitioner1447869532
  42. Jose OlagueCounselor1144415530
  43. Oscar Olea, MACounselor1316674013
  44. Cassandra OlearyAddiction (Substance Use Disorder) Counselor1447559299
  45. Gary Olen, D.D.S., M.SPediatric Dentistry1043303993
  46. Juramay OlivaRegistered Nurse1730943994
  47. Maritza OlmosMarriage & Family Therapist1417346750
  48. Joseph OlsonBehavior Technician1093642076
  49. Imaobong Olsson, AMFTMental Health Counselor1740751080
  50. Rana OlwanMassage Therapist1710554241

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

El Cajon, California appears in the CMS National Plan and Provider Enumeration System with 3,277 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 El Cajon - 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 El Cajon 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 El Cajon is weighted toward Behavior Technician (524 clinicians, followed by Addiction (Substance Use Disorder) Counselor with 452 and Marriage & Family Therapist with 192). 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, El Cajon reports roughly 8.4 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.

For El Cajon 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 El Cajon, CA?

There are 3,277 registered healthcare providers in El Cajon, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in El Cajon?

The most common specialties in El Cajon are Behavior Technician, Addiction (Substance Use Disorder) Counselor, Marriage & Family Therapist, Mental Health Counselor, Pharmacist. Behavior Technician has the most providers with 524.

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.