NPPES file of Aug 9, 2026

Doctors and health care providers in Laguna Hills, CA

2,069 individual NPPES records list a practice address in Laguna Hills, 109th of 812 California cities. The largest group is behavior technician: 296, 14% of the city's records, against 18% across California. Page 35 of 42.

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

Laguna Hills in California

  • Rank in California109th of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups28.7% of all records

Compared with California as a whole, Laguna Hills has 5.8× the state's share of occupational therapy assistant records and 0.46× its share of mental health counselor records.

Providers in Laguna Hills, alphabetically

  1. Manish Shrestha, M.D.Gastroenterology Physician1407135411
  2. Eric Siedenburg, M.DEmergency Medicine Physician1629006705
  3. Tracy Siegfried, M.D.Internal Medicine Physician1366598591
  4. Carmen Sierra-TorresCase Manager/Care Coordinator1508493958
  5. Jessie Silahian, PHARM.D.Pharmacist1184774234
  6. Kathryn Silva, LCSWSocial Worker1942535174
  7. Robert Silva, ABO OPTICIANOptician1275073728
  8. Vincent Silva, DPTPhysical Therapist1417761388
  9. Akil Simon, M.D.Surgery Physician1598100877
  10. John Sims, P.T.Physical Therapist1093749681
  11. Gregory Simsarian, M.DEmergency Medicine Physician1144250713
  12. Karan Singh, M.D.Urology Physician1700841970
  13. Curtis Siu, MDInternal Medicine Physician1386613081
  14. Kyle Sivcovich, PPSCSchool Counselor1851653398
  15. Robert Sklar, M.D.General Practice Physician1487611083
  16. Gail Skoropad, DPTPhysical Therapist1821647132
  17. Karen Skvarna, O.D.Optometrist1336106244
  18. Annette Smith, LMFTBehavior Analyst1518103936
  19. Derrick Smith, M.S., CCC-SLPSpeech-Language Pathologist1457960098
  20. Jalyssa SmithBehavior Technician1306460217
  21. Kristin Smith, P.T.Physical Therapist1073720074
  22. Marcia Smith, N. P.Family Nurse Practitioner1477763456
  23. Natalie Smith, PA-CPhysician Assistant1376911404
  24. Natalie SmithBehavior Technician1669247169
  25. Nicole SmithBehavior Technician1568260537
  26. Thomas Smith, D.D.S.General Practice Dentistry1003946658
  27. Vanessa Smith, DACM, LACAcupuncturist1992299440
  28. Suzanne Smith-Ellis, ATR, LMFTMarriage & Family Therapist1073527149
  29. Gerald Snell, D.D.S.Endodontics1063568343
  30. Sherly Sohal, DDSGeneral Practice Dentistry1578871646
  31. Dominic Soller, DDSDentist1639593163
  32. Florence Solomon, RPHPharmacist1528981826
  33. Sodareth Som, RDHDental Hygienist1861019549
  34. Mary Sondag, PTPhysical Therapist1679829618
  35. Yanling Song, A/G NPGerontology Nurse Practitioner1730517780
  36. Amanda Sonntag, P.T.A.Physical Therapy Assistant1790970770
  37. Kristin Soraya, DDSDentist1962520734
  38. Omar Sosa, RBTBehavior Technician1073185641
  39. Carmen SotoOccupational Therapy Assistant1003388794
  40. Denise Soucy, OTRPediatric Occupational Therapist1245454552
  41. Brianna SouthworthBehavior Technician1912556093
  42. Holly Spanggord, M.D.Ophthalmology Physician1346234465
  43. Morgan Speik, RDRegistered Dietitian1326805987
  44. Billy SpencerPhysical Therapy Assistant1528273083
  45. Aaron Spitz, M.D.Urology Physician1164487674
  46. Claire Spivak, PT, DPTPhysical Therapist1487363750
  47. Rachel Spivak, DPTPhysical Therapist1285343913
  48. April Spurling, O.D.Vision Therapy Optometrist1386066298
  49. Wendy StackhouseOccupational Therapist1497963706
  50. Frederick Stafford, MDSurgery Physician1013975028

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

Laguna Hills, California appears in the CMS National Plan and Provider Enumeration System with 2,069 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 Laguna Hills - 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 Laguna Hills 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 Laguna Hills is weighted toward Behavior Technician (296 clinicians, followed by Marriage & Family Therapist with 191 and Physical Therapist with 106). 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, Laguna Hills reports roughly 5.3 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.

Of California's most common specialties, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a Laguna Hills practice address, a coverage gap Laguna Hills patients typically fill by traveling to a larger nearby hub.

For Laguna Hills 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 Laguna Hills, CA?

There are 2,069 registered healthcare providers in Laguna Hills, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Laguna Hills?

The most common specialties in Laguna Hills are Behavior Technician, Marriage & Family Therapist, Physical Therapist, Clinical Social Worker, Addiction (Substance Use Disorder) Counselor. Behavior Technician has the most providers with 296.

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.