State provider hub
Colorado NPI Registry - Provider Lookup
Look up NPI numbers for healthcare providers in Colorado, searchable by name, specialty, and city, drawn from the public CMS NPPES data file.
194,584
providers & organizations
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Top specialties in Colorado
Counselor 22,733 Behavior Technician 11,812 Social Worker 10,350 Nurse Practitioner 9,505 Dentist 8,380 Physical Therapist 7,900 Clinic/Center 7,315 Registered Nurse 6,724 Internal Medicine 5,966 Physician Assistant 5,856 Family Medicine 5,177 Pharmacist 5,046 Speech-Language Pathologist 4,764 Psychologist 4,192 Chiropractor 4,165 Student in an Organized Health Care Education/Training Program 3,920 Occupational Therapist 3,784 Massage Therapist 3,418 Behavior Analyst 2,952 Pediatrics 2,383 Psychiatry & Neurology 2,374 Optometrist 2,230 Case Manager/Care Coordinator 2,220 Specialist 1,836 Marriage & Family Therapist 1,810 Emergency Medicine 1,749 Anesthesiology 1,675 Dietitian, Registered 1,611 Obstetrics & Gynecology 1,595 Acupuncturist 1,487
Browse by city
Denver, CO 31,946 Colorado Springs, CO 24,932 Aurora, CO 20,822 Fort Collins, CO 8,610 Boulder, CO 7,013 Lakewood, CO 6,388 Littleton, CO 5,281 Pueblo, CO 4,904 Grand Junction, CO 4,599 Greeley, CO 4,359 Centennial, CO 4,088 Englewood, CO 3,789 Westminster, CO 3,331 Greenwood Village, CO 3,275 Longmont, CO 3,206 Wheat Ridge, CO 3,015 Loveland, CO 2,952 Thornton, CO 2,886 Parker, CO 2,659 Arvada, CO 2,453 Lafayette, CO 2,265 Durango, CO 1,955 Broomfield, CO 1,897 Castle Rock, CO 1,877 Lone Tree, CO 1,841 Highlands Ranch, CO 1,809 Golden, CO 1,743 Montrose, CO 1,146 Northglenn, CO 1,082 Louisville, CO 1,076 Brighton, CO 977 Fort Carson, CO 920 Canon City, CO 879 Glenwood Springs, CO 826 Alamosa, CO 773 Commerce City, CO 672 Windsor, CO 664 Steamboat Springs, CO 658 Evergreen, CO 641 Monument, CO 576
Frequently asked questions
How do I look up an NPI number in Colorado?
Use the NPI search and select CO, or browse the specialty and city directories on this page. Every provider profile shows the NPI, taxonomy, practice address, and status.
How many healthcare providers are registered in Colorado?
Our latest NPPES snapshot lists 194,584 active providers and organizations with a practice location in Colorado.
Is this the official Colorado NPI registry?
No, NPI numbers are issued federally by CMS, not by states. This is a private directory built on the public CMS NPPES data file; the official registry is npiregistry.cms.hhs.gov.
Source: CMS NPPES (public data). Snapshot 2026-07-13.