Statewide totals
| Active NPI records | 233,680 |
| Registered sole proprietors | 57,618 (24.7%) |
Of these records, 57,618, or 24.7%, are flagged as sole proprietors. This flag is self-reported and is an imperfect proxy for private practice, so it should not be read as a definitive measure of independently owned or operated providers.
Largest specialties in this state
| Specialty | Active NPIs |
|---|---|
| Mental Health Counselor | 18,147 |
| Massage Therapist | 13,774 |
| Counselor | 11,543 |
| Behavior Technician | 8,853 |
| Physical Therapist | 7,949 |
| Pharmacist | 7,941 |
| Student in an Organized Health Care Education/Training Program | 6,847 |
| Registered Nurse | 6,842 |
| Family Medicine Physician | 5,957 |
| Clinical Social Worker | 5,797 |
| Addiction (Substance Use Disorder) Counselor | 5,070 |
| Chiropractor | 4,614 |
| General Practice Dentistry | 4,289 |
| Speech-Language Pathologist | 4,218 |
| Internal Medicine Physician | 4,205 |
| Dentist | 3,596 |
| Specialist | 3,461 |
| Physician Assistant | 3,459 |
| Family Nurse Practitioner | 3,219 |
| Occupational Therapist | 3,212 |
| Behavior Analyst | 3,038 |
| Marriage & Family Therapist | 2,618 |
| Optometrist | 2,346 |
| Peer Specialist | 2,309 |
| Case Manager/Care Coordinator | 2,256 |
| Nurse Practitioner | 2,213 |
| Registered Dietitian | 2,177 |
| Social Worker | 2,058 |
| Pediatrics Physician | 2,046 |
| Acupuncturist | 1,956 |
| Clinical Psychologist | 1,767 |
| Anesthesiology Physician | 1,736 |
| Licensed Practical Nurse | 1,639 |
| Naturopath | 1,586 |
| Durable Medical Equipment & Medical Supplies | 1,531 |
| Psychiatric/Mental Health Nurse Practitioner | 1,523 |
| Emergency Medicine Physician | 1,439 |
| Physical Therapy Assistant | 1,377 |
| Psychiatry Physician | 1,300 |
| Medical Physician Assistant | 1,195 |
Common questions
How many active NPI records have a practice location in Washington?
The registry includes 233,680 active NPI records with a practice location in Washington.
Which specialties have the largest counts on this page?
The largest listed specialties are Mental Health Counselor (18,147), Massage Therapist (13,774), Counselor (11,543), Behavior Technician (8,853), and Physical Therapist (7,949).
What does the sole-proprietor share mean?
A total of 57,618 records, or 24.7%, are flagged as sole proprietors. The flag is self-reported and is an imperfect proxy for private practice.
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