NPPES file of Aug 9, 2026

Doctors and health care providers in Mission Viejo, CA

2,156 individual NPPES records list a practice address in Mission Viejo, 103rd of 812 California cities. The largest group is marriage & family therapist: 218, 10% of the city's records, against 6% across California. Page 17 of 44.

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

Mission Viejo in California

  • Rank in California103rd of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups18.4% of all records

Compared with California as a whole, Mission Viejo has 3.1× the state's share of optometrist records and 0.12× its share of behavior technician records.

Providers in Mission Viejo, alphabetically

  1. David Ho, O.D.Optometrist1265584536
  2. Jason HoMental Health Counselor1306259973
  3. Sara HoadleyMarriage & Family Therapist1396197075
  4. Christine Hoang, D.D.S.General Practice Dentistry1245493105
  5. Kathy Hoang, O.D.Optometrist1346904935
  6. Lisa Hoang, M.D.Pediatrics Physician1750687638
  7. Mia HoangBehavior Technician1063355386
  8. Mimi Hoang, PHARMACISTPharmacist1669864849
  9. Vanessa Hoang, D.O., M.S.Anatomic Pathology & Clinical Pathology Physician1083971618
  10. Jessica HokersonSpeech-Language Pathologist1871425108
  11. Kelli HollandPhysical Therapist1699050104
  12. Julia HollowellMarriage & Family Therapist1619517174
  13. Diana Hong, LMFTMarriage & Family Therapist1346643756
  14. Mary Hood, SLPSpeech-Language Pathologist1215074190
  15. Heather Hook Fabregas, AU.D.Audiologist1548495492
  16. Gwyneth HooperOccupational Therapist1164357430
  17. Maryam Horiyat, DDSGeneral Practice Dentistry1215052410
  18. Jennifer Horn, L.ACAcupuncturist1164878708
  19. Christine Horton, MDUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1679899629
  20. Alireza Hosseini, MDEndocrinology, Diabetes & Metabolism Physician1629324140
  21. Parisa Hosseini, DCChiropractor1801475124
  22. Jahan HosseinianHealth Information Specialist/Technologist1902689334
  23. Patricia HouSpeech-Language Pathologist1700276458
  24. Kathleen Houde, REGISTERED NURSERegistered Nurse1992973879
  25. Remitha HoustonDay Training/Habilitation Specialist1184759813
  26. Chloe HovorkaMental Health Counselor1740172345
  27. Amy HowardMarriage & Family Therapist1568871820
  28. Shaun Howell, M.S. CCC-SLPSpeech-Language Pathologist1639413669
  29. Trisha Hoyt, PTPhysical Therapist1700906310
  30. Linda Hsieh, O.D.Optometrist1205846961
  31. Annie Hsu, PHARMD.Pharmacist1609178011
  32. Eric Hsu, MDAnesthesiology Physician1114965092
  33. Keith Hsu, MDHospitalist Physician1891921458
  34. Faith Huang, M.D.Allergy & Immunology Physician1326252230
  35. Gretchen Hudson, BSMarriage & Family Therapist1295005502
  36. Anne Hughes, MFTIMarriage & Family Therapist1538429741
  37. William Hui, D.D.S.Dentist1922158393
  38. Laura Hui HaOptometrist1083066567
  39. Kristin Huneau, LMFT, PCCMarriage & Family Therapist1447812896
  40. Leslie Hung, O.D.Optometrist1619020146
  41. Lynne Hung, MDClinical Cardiac Electrophysiology Physician1326004748
  42. Jana Hungate, HHPMassage Therapist1710593371
  43. Cassandra HuntBehavior Technician1124667845
  44. Grace Hunter, AU.D.Audiologist1558769331
  45. Jacquelyn HunterAllergy & Immunology Physician1629639406
  46. Kellie Hunter, HIGH SCHOOL DIPLOMALicensed Vocational Nurse1902959695
  47. Robin Hunter, MFTMarriage & Family Therapist1437623972
  48. Monique Hutchinson, PA-CPhysician Assistant1154701399
  49. Alicia Hutton, LMFTMarriage & Family Therapist1780238691
  50. Alison HuynhPharmacist1164280681

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

Mission Viejo, California appears in the CMS National Plan and Provider Enumeration System with 2,156 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 Mission Viejo - 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 Mission Viejo 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 Mission Viejo is weighted toward Marriage & Family Therapist (218 clinicians, followed by Pharmacist with 99 and Physical Therapist with 79). 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, Mission Viejo reports roughly 5.5 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, Case Manager/Care Coordinator is the most prominent one with no provider currently listing a Mission Viejo practice address, a coverage gap Mission Viejo patients typically fill by traveling to a larger nearby hub.

For Mission Viejo 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 Mission Viejo, CA?

There are 2,156 registered healthcare providers in Mission Viejo, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Mission Viejo?

The most common specialties in Mission Viejo are Marriage & Family Therapist, Pharmacist, Physical Therapist, Clinical Social Worker, Speech-Language Pathologist. Marriage & Family Therapist has the most providers with 218.

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.