Healthcare Provider Credentials

Credentials on an NPI record tell you a provider's qualification — MD, NP, PA, DDS and dozens more. Each page below explains the credential and how it appears in the NPPES registry.

• MD — Doctor of Medicine
• DO — Doctor of Osteopathic Medicine
• NP — Nurse Practitioner
• PA — Physician Assistant
• RN — Registered Nurse
• LPN — Licensed Practical Nurse
• CRNA — Certified Registered Nurse Anesthetist
• CNM — Certified Nurse Midwife
• DDS — Doctor of Dental Surgery
• DMD — Doctor of Medicine in Dentistry
• DPM — Doctor of Podiatric Medicine
• DC — Doctor of Chiropractic
• OD — Doctor of Optometry
• PHARMD — Doctor of Pharmacy
• RPH — Registered Pharmacist
• PT — Physical Therapist
• DPT — Doctor of Physical Therapy
• OT — Occupational Therapist
• SLP — Speech-Language Pathologist
• LCSW — Licensed Clinical Social Worker
• LPC — Licensed Professional Counselor
• LMFT — Licensed Marriage and Family Therapist
• PHD — Doctor of Philosophy
• PSYD — Doctor of Psychology
• DNP — Doctor of Nursing Practice
• APRN — Advanced Practice Registered Nurse
• FNP — Family Nurse Practitioner
• LAC — Licensed Acupuncturist
• RD — Registered Dietitian
• AUD — Doctor of Audiology