844 specialties represented among NPPES-registered providers in California. Counts reflect providers with a California practice address.
| Rank | Specialty | Providers in CA | Taxonomy Code |
|---|---|---|---|
| 1 | Behavior Technician | 160,046 | 106S00000X |
| 2 | Marriage & Family Therapist | 61,623 | 106H00000X |
| 3 | Student (Health Education/Training) | 37,651 | 390200000X |
| 4 | Clinical Social Worker | 36,379 | 1041C0700X |
| 5 | Pharmacist | 32,526 | 183500000X |
| 6 | Mental Health Counselor | 30,113 | 101YM0800X |
| 7 | Addiction (Substance Use Disorder) Counselor | 27,687 | 101YA0400X |
| 8 | Physical Therapy Assistant | 24,635 | 225100000X |
| 9 | General Dentistry | 24,382 | 1223G0001X |
| 10 | Case Manager | 23,356 | 171M00000X |
| 11 | Internal Medicine | 21,627 | 207R00000X |
| 12 | Family Medicine | 21,240 | 207Q00000X |
| 13 | Behavior Analyst | 20,790 | 103K00000X |
| 14 | Dentist | 19,370 | 122300000X |
| 15 | Family Nurse Practitioner | 16,855 | 363LF0000X |
| 16 | Chiropractor | 15,685 | 111N00000X |
| 17 | Physician Assistant | 14,084 | 363A00000X |
| 18 | Clinical Psychologist | 14,009 | 103TC0700X |
| 19 | Counselor | 13,960 | 101Y00000X |
| 20 | Acupuncturist | 13,578 | 171100000X |
| 21 | Occupational Therapy Assistant | 13,267 | 225400000X |
| 22 | Registered Nurse | 12,596 | 163W00000X |
| 23 | Speech, Language and Hearing Specialist | 12,218 | 235Z00000X |
| 24 | Optometrist | 11,427 | 152W00000X |
| 25 | Community Health Worker | 11,268 | 172V00000X |
| 26 | Licensed Vocational Nurse | 10,257 | 164X00000X |
| 27 | Social Worker | 10,201 | 104100000X |
| 28 | Pediatrics | 10,180 | 208000000X |
| 29 | Psychiatry | 10,168 | 2084P0800X |
| 30 | Anesthesiology | 9,381 | 207L00000X |
| 31 | Specialist | 9,091 | 174400000X |
| 32 | Occupational Therapist | 8,993 | 225X00000X |
| 33 | Emergency Medicine | 8,442 | 207P00000X |
| 34 | Nurse Practitioner | 8,253 | 363L00000X |
| 35 | Home Health | 8,170 | 251E00000X |
| 36 | Psychologist | 8,091 | 103T00000X |
| 37 | Community/Behavioral Health | 7,618 | 251S00000X |
| 38 | Day Training/Habilitation | 7,374 | 373H00000X |
| 39 | Registered Dietitian | 7,316 | 133V00000X |
| 40 | Obstetrics & Gynecology | 6,262 | 207V00000X |
| 41 | Long-Term Care Pharmacy | 5,724 | 3336C0003X |
| 42 | Diagnostic Radiology | 5,518 | 2085R0202X |
| 43 | Home Health | 5,442 | 251G00000X |
| 44 | Massage Therapist | 4,914 | 225700000X |
| 45 | Durable Medical Equipment & Medical Supplies | 4,581 | 332B00000X |
| 46 | Psychiatric/Mental Health Nurse Practitioner | 4,318 | 363LP0808X |
| 47 | Bus | 4,224 | 343900000X |
| 48 | Ophthalmology | 4,161 | 207W00000X |
| 49 | Peer Specialist | 4,158 | 175T00000X |
| 50 | General Surgery | 4,154 | 208600000X |