Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ricardo A Nieves, MD

Interventional Pain Medicine Physician in Fort Collins, CO · enumerated 2006 · practices at Colorado Spine Pain & Sports Medicine PC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1003909276

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Registry record

Entity type Individual (Type 1)

Name Ricardo A Nieves

Credential MD

Sex Male

Practice address 1437 Riverside Ave, Fort Collins, CO, 80524

Phone (970) 692-5550

Fax (970) 692-5561

Enumeration date Oct 2, 2006

Last updated in NPPES Nov 16, 2012

Taxonomy & licenses

208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License 2000325 (NM) Secondary

208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License 40977 (CO) Primary

204R00000X Electrodiagnostic Medicine Physician Allopathic & Osteopathic Physicians · License 40977 (CO) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
04732863	Medicaid	CO	-
B9615	Medicaid	NM	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Ricardo Nieves?

The National Provider Identifier (NPI) for Ricardo Nieves is 1003909276, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ricardo Nieves practice?

The practice location on file with NPPES is in Fort Collins, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Colorado Spine Pain & Sports Medicine PC Interventional Pain Medicine Physician · Fort Collins, CO NPI 1306024708

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-11-16.