What is Madison Duffy's NPI number?

Madison Duffy's National Provider Identifier (NPI) is 1083505499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Madison Duffy's specialty?

Madison Duffy is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Madison Duffy located?

Madison Duffy's practice location on file with NPPES is 7588 Harlan St, Arvada, CO 80003-2934.

What is Madison Duffy's phone number?

The practice phone number listed in the NPPES registry for Madison Duffy is (603) 491-0228.

Is Madison Duffy's NPI active?

Yes — Madison Duffy's NPI (1083505499) is active in the NPPES registry as of the last update on 2025-07-14.

IndividualActive

Madison Duffy

NPI 1083505499 · Registered Nurse · Arvada, CO

Madison Duffy is a Registered Nurse provider in Arvada, CO (NPI 1083505499).

Provider details

NPI number: 1083505499
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Female
Sole proprietor: No
License: RN.1658957 (CO)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense RN.1658957 (CO)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

7588 Harlan St

Arvada, CO 80003-2934

Phone: (603) 491-0228

Street-level locationGet directions

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Mailing address