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.
The 8 largest groups in Mission Viejo
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
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
- David Ho, O.D.Optometrist1265584536
- Jason HoMental Health Counselor1306259973
- Sara HoadleyMarriage & Family Therapist1396197075
- Christine Hoang, D.D.S.General Practice Dentistry1245493105
- Kathy Hoang, O.D.Optometrist1346904935
- Lisa Hoang, M.D.Pediatrics Physician1750687638
- Mia HoangBehavior Technician1063355386
- Mimi Hoang, PHARMACISTPharmacist1669864849
- Vanessa Hoang, D.O., M.S.Anatomic Pathology & Clinical Pathology Physician1083971618
- Jessica HokersonSpeech-Language Pathologist1871425108
- Kelli HollandPhysical Therapist1699050104
- Julia HollowellMarriage & Family Therapist1619517174
- Diana Hong, LMFTMarriage & Family Therapist1346643756
- Mary Hood, SLPSpeech-Language Pathologist1215074190
- Heather Hook Fabregas, AU.D.Audiologist1548495492
- Gwyneth HooperOccupational Therapist1164357430
- Maryam Horiyat, DDSGeneral Practice Dentistry1215052410
- Jennifer Horn, L.ACAcupuncturist1164878708
- Christine Horton, MDUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1679899629
- Alireza Hosseini, MDEndocrinology, Diabetes & Metabolism Physician1629324140
- Parisa Hosseini, DCChiropractor1801475124
- Jahan HosseinianHealth Information Specialist/Technologist1902689334
- Patricia HouSpeech-Language Pathologist1700276458
- Kathleen Houde, REGISTERED NURSERegistered Nurse1992973879
- Remitha HoustonDay Training/Habilitation Specialist1184759813
- Chloe HovorkaMental Health Counselor1740172345
- Amy HowardMarriage & Family Therapist1568871820
- Shaun Howell, M.S. CCC-SLPSpeech-Language Pathologist1639413669
- Trisha Hoyt, PTPhysical Therapist1700906310
- Linda Hsieh, O.D.Optometrist1205846961
- Annie Hsu, PHARMD.Pharmacist1609178011
- Eric Hsu, MDAnesthesiology Physician1114965092
- Keith Hsu, MDHospitalist Physician1891921458
- Faith Huang, M.D.Allergy & Immunology Physician1326252230
- Gretchen Hudson, BSMarriage & Family Therapist1295005502
- Anne Hughes, MFTIMarriage & Family Therapist1538429741
- William Hui, D.D.S.Dentist1922158393
- Laura Hui HaOptometrist1083066567
- Kristin Huneau, LMFT, PCCMarriage & Family Therapist1447812896
- Leslie Hung, O.D.Optometrist1619020146
- Lynne Hung, MDClinical Cardiac Electrophysiology Physician1326004748
- Jana Hungate, HHPMassage Therapist1710593371
- Cassandra HuntBehavior Technician1124667845
- Grace Hunter, AU.D.Audiologist1558769331
- Jacquelyn HunterAllergy & Immunology Physician1629639406
- Kellie Hunter, HIGH SCHOOL DIPLOMALicensed Vocational Nurse1902959695
- Robin Hunter, MFTMarriage & Family Therapist1437623972
- Monique Hutchinson, PA-CPhysician Assistant1154701399
- Alicia Hutton, LMFTMarriage & Family Therapist1780238691
- Alison HuynhPharmacist1164280681
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
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.