What is Catherine Calahan's NPI number?

Catherine Calahan's National Provider Identifier (NPI) is 1558715045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Catherine Calahan's specialty?

Catherine Calahan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Catherine Calahan located?

Catherine Calahan's practice location on file with NPPES is 6080 W 92nd Ave Ste 1000, Westminster, CO 80031-2935.

What is Catherine Calahan's phone number?

The practice phone number listed in the NPPES registry for Catherine Calahan is (952) 270-2404.

Is Catherine Calahan's NPI active?

Yes — Catherine Calahan's NPI (1558715045) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActive

Catherine Calahan, CRNP

NPI 1558715045 · Family Nurse Practitioner · Westminster, CO

Catherine Calahan, CRNP is a Family Nurse Practitioner provider in Westminster, CO (NPI 1558715045).

Provider details

NPI number: 1558715045
Entity type: Individual
Primary specialty: Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: CRNP
Sex: Female
Sole proprietor: No
License: 640908 (PA)

Specialties & taxonomies

Family Nurse PractitionerPrimary363LF0000XLicense 0993174-NP (CO)
Physician Assistants & Advanced Practice Nursing Providers
Registered Nurse163W00000XLicense 640908 (PA)
Nursing Service Providers
Registered Nurse163W00000XLicense RN95091830 (CA)
Nursing Service Providers
Registered Nurse163W00000XLicense RN.0200856 (CO)
Nursing Service Providers
Family Nurse Practitioner363LF0000XLicense F0516404 (PA)
Physician Assistants & Advanced Practice Nursing Providers
Family Nurse Practitioner363LF0000XLicense 002234 (NV)

Profile Score

Detailed profile(77/100 index)

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

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

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

6080 W 92nd Ave Ste 1000

Westminster, CO 80031-2935

Phone: (952) 270-2404

Street-level locationGet directions

More CO providers

Mailing address

6080 W 92nd Ave Ste 1000

Westminster, CO 80031-2935

Additional practice locations (1)

3701 J St Ste 101
Sacramento, CA 95816-5542
Phone: (916) 569-8484

Enumerated: 2016-04-20
Last updated: 2022-07-21

Frequently asked questions

What is Catherine Calahan's NPI number?: Catherine Calahan's National Provider Identifier (NPI) is 1558715045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Catherine Calahan's specialty?: Catherine Calahan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Catherine Calahan located?: Catherine Calahan's practice location on file with NPPES is 6080 W 92nd Ave Ste 1000, Westminster, CO 80031-2935.
What is Catherine Calahan's phone number?: The practice phone number listed in the NPPES registry for Catherine Calahan is (952) 270-2404.
Is Catherine Calahan's NPI active?: Yes — Catherine Calahan's NPI (1558715045) is active in the NPPES registry as of the last update on 2022-07-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.