What is Michael Griffin's NPI number?

Michael Griffin's National Provider Identifier (NPI) is 1881574721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Griffin's specialty?

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

Where is Michael Griffin located?

Michael Griffin's practice location on file with NPPES is 3825 N Lafayette St, Denver, CO 80205-3316.

What is Michael Griffin's phone number?

The practice phone number listed in the NPPES registry for Michael Griffin is (720) 637-3696.

Is Michael Griffin's NPI active?

Yes — Michael Griffin's NPI (1881574721) is active in the NPPES registry as of the last update on 2025-09-03.

IndividualActive

Michael Griffin, RN

NPI 1881574721 · Registered Nurse · Denver, CO

Michael Griffin, RN is a Registered Nurse provider in Denver, CO (NPI 1881574721).

Provider details

NPI number: 1881574721
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN
Sex: Male
Sole proprietor: No
License: RN.1664000 (CO)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense RN.1664000 (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

3825 N Lafayette St

Denver, CO 80205-3316

Phone: (720) 637-3696

Street-level locationGet directions

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Mailing address