Colorado NPI Registry — Provider Lookup
Look up NPI numbers for healthcare providers in Colorado. Our latest NPPES snapshot includes 193,204 active providers and organizations with a practice location in Colorado, searchable by name, specialty, and city.
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Top specialties in Colorado
- Counselor in CO (22,577)
- Behavior Technician in CO (11,571)
- Social Worker in CO (10,240)
- Nurse Practitioner in CO (9,425)
- Dentist in CO (8,341)
- Physical Therapist in CO (7,863)
- Clinic/Center in CO (7,284)
- Registered Nurse in CO (6,669)
- Internal Medicine in CO (5,876)
- Physician Assistant in CO (5,805)
- Family Medicine in CO (5,143)
- Pharmacist in CO (5,028)
- Speech-Language Pathologist in CO (4,756)
- Psychologist in CO (4,169)
- Chiropractor in CO (4,165)
- Student in an Organized Health Care Education/Training Program in CO (3,948)
- Occupational Therapist in CO (3,765)
- Massage Therapist in CO (3,399)
- Behavior Analyst in CO (2,927)
- Pediatrics in CO (2,366)
- Psychiatry & Neurology in CO (2,349)
- Optometrist in CO (2,214)
- Case Manager/Care Coordinator in CO (2,209)
- Specialist in CO (1,838)
- Marriage & Family Therapist in CO (1,797)
- Emergency Medicine in CO (1,737)
- Anesthesiology in CO (1,671)
- Dietitian, Registered in CO (1,596)
- Obstetrics & Gynecology in CO (1,591)
- Acupuncturist in CO (1,485)
Browse by city
- Denver, CO (31,716)
- Colorado Springs, CO (24,659)
- Aurora, CO (20,655)
- Fort Collins, CO (8,544)
- Boulder, CO (6,994)
- Lakewood, CO (6,351)
- Littleton, CO (5,248)
- Pueblo, CO (4,874)
- Grand Junction, CO (4,571)
- Greeley, CO (4,332)
- Centennial, CO (4,049)
- Englewood, CO (3,781)
- Westminster, CO (3,311)
- Greenwood Village, CO (3,256)
- Longmont, CO (3,182)
- Wheat Ridge, CO (3,011)
- Loveland, CO (2,918)
- Thornton, CO (2,877)
- Parker, CO (2,640)
- Arvada, CO (2,438)
- Lafayette, CO (2,253)
- Durango, CO (1,943)
- Broomfield, CO (1,879)
- Castle Rock, CO (1,865)
- Lone Tree, CO (1,843)
- Highlands Ranch, CO (1,779)
- Golden, CO (1,731)
- Montrose, CO (1,140)
- Northglenn, CO (1,070)
- Louisville, CO (1,066)
- Brighton, CO (974)
- Fort Carson, CO (925)
- Canon City, CO (876)
- Glenwood Springs, CO (825)
- Alamosa, CO (773)
- Commerce City, CO (665)
- Windsor, CO (661)
- Steamboat Springs, CO (655)
- Evergreen, CO (636)
- Monument, CO (570)
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 193,204 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 2026-07-09.