NPPES file of Aug 9, 2026

Doctors and health care providers in West Covina, CA

2,450 individual NPPES records list a practice address in West Covina, 94th of 812 California cities. The largest group is behavior technician: 820, 33% of the city's records, against 18% across California. Page 11 of 49.

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

The 8 largest groups in West Covina

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

West Covina in California

  • Rank in California94th of 812 cities by records
  • Share of the state0.3% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups41% of all records

Compared with California as a whole, West Covina has 4.9× the state's share of speech-language assistant records and 0.37× its share of mental health counselor records.

Providers in West Covina, alphabetically

  1. Jed Del RosarioOccupational Therapy Assistant1912694282
  2. Jocelyn Del RosarioOccupational Therapist1831579176
  3. Lina Dela Cruz, MDInternal Medicine Physician1952489858
  4. John DelgadilloBehavior Technician1013665090
  5. Dilcia Delgado, M.A., BCBABehavior Analyst1609315050
  6. Simone Delgado PenuelasBehavior Technician1396553335
  7. Melissa Delgado-SilvarBehavior Technician1972237741
  8. Nicholas Delia, COTA/LOccupational Therapy Assistant1598499378
  9. Vincent DelongBehavior Technician1750273934
  10. Edison Der, DDSGeneral Practice Dentistry1861482010
  11. Jandi DesinorPhysician Assistant1831868520
  12. Sadhna Dhand, M.D.General Practice Physician1033394531
  13. Sara Dhand, MDPsychiatry Physician1669665063
  14. Subhash Dhand, M.D.Hematology & Oncology Physician1497930903
  15. Brittney DiazBehavior Technician1407789324
  16. Carla Diaz, FNP, NP-CFamily Nurse Practitioner1922572932
  17. Cristina DiazMarriage & Family Therapist1124672589
  18. Danielle DiazBehavior Technician1558169102
  19. Diana DiazBehavior Technician1528864154
  20. Gene Diaz, PTAPhysical Therapy Assistant1851997522
  21. Kiana DiazProfessional Counselor1245918069
  22. Lorena DiazStudent in an Organized Health Care Education/Training Program1669354262
  23. Mayra DiazBehavior Technician1093510794
  24. Tania DiazBehavior Technician1528644689
  25. Vanessa DiazBehavior Technician1760061022
  26. Stacey Diaz BanuelosBehavior Technician1285348854
  27. Jacqueline DiblasiAddiction (Substance Use Disorder) Counselor1417718909
  28. Jennifer Dien, PHARM.D.Pharmacist1720457294
  29. Helen DiepBehavior Technician1922684703
  30. Mary Angeli DimaculanganBehavior Technician1255097622
  31. Chaonan Ding, M.D.Public Health & General Preventive Medicine Physician1285078105
  32. Peyton Ding, PT, DPTPhysical Therapist1982469011
  33. Wanjing DingBehavior Technician1679444558
  34. Mai DinhBehavior Technician1144807348
  35. Joy Diores, NPPsychiatric/Mental Health Nurse Practitioner1689337776
  36. Stephanie Distelrath, SLPASpeech-Language Assistant1407414287
  37. Alexis Mae Dizon, FNP-CNurse Practitioner1588483812
  38. Marie Beverly Dizon, D.D.S., M.S.Pediatric Dentistry1275989659
  39. Jonathan Do, D.D.S.Dentist1609018530
  40. Min Do, DDSGeneral Practice Dentistry1568532463
  41. Jade DoctorianBehavior Technician1770389397
  42. Miguel Domingo, M.D.Pediatrics Physician1538248166
  43. Arturo Dominguez, PA-CMedical Physician Assistant1215049523
  44. Emil Dominguez, M.DPediatrics Physician1992867766
  45. Ilene Dominguez, PHARM.D.Pharmacist1780100990
  46. Emily DonesBehavior Technician1104770585
  47. Juliana DonlucasBehavior Technician1073470712
  48. Eric Dorado, ATCAthletic Trainer1881153468
  49. Susanna DownerStudent in an Organized Health Care Education/Training Program1851878417
  50. Monica Downing, MASSAGE THERAPISTMassage Therapist1740619196

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

West Covina, California appears in the CMS National Plan and Provider Enumeration System with 2,450 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 West Covina - 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 West Covina 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 West Covina is weighted toward Behavior Technician (820 clinicians, followed by Marriage & Family Therapist with 112 and Clinical Social Worker with 72). 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, West Covina reports roughly 6.3 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 West Covina 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 West Covina, CA?

There are 2,450 registered healthcare providers in West Covina, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in West Covina?

The most common specialties in West Covina are Behavior Technician, Marriage & Family Therapist, Clinical Social Worker, Family Medicine Physician, Pharmacist. Behavior Technician has the most providers with 820.

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.