What is Jason Armstrong's NPI number?

Jason Armstrong's National Provider Identifier (NPI) is 1578539276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jason Armstrong's specialty?

Jason Armstrong is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Jason Armstrong located?

Jason Armstrong's practice location on file with NPPES is 7700 S Broadway, Littleton, CO 80122-2602.

What is Jason Armstrong's phone number?

The practice phone number listed in the NPPES registry for Jason Armstrong is (303) 730-5800.

Is Jason Armstrong's NPI active?

Yes — Jason Armstrong's NPI (1578539276) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Jason Armstrong, NP

NPI 1578539276 · Emergency Medicine Physician · Littleton, CO

Jason Armstrong, NP is a Emergency Medicine Physician provider in Littleton, CO (NPI 1578539276).

Provider details

NPI number: 1578539276
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: NP
Sex: Male
License: 126781 (CO)

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense 126781 (CO)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 yrs in NPPES 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

7700 S Broadway

Littleton, CO 80122-2602

Phone: (303) 730-5800

Fax: (303) 730-5868

Street-level locationGet directions

More CO providers

Mailing address

7851 S Elati St

Littleton, CO 80120-8080

Enumerated: 2006-02-23
Last updated: 2007-07-08

Frequently asked questions

What is Jason Armstrong's NPI number?: Jason Armstrong's National Provider Identifier (NPI) is 1578539276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Jason Armstrong's specialty?: Jason Armstrong is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Jason Armstrong located?: Jason Armstrong's practice location on file with NPPES is 7700 S Broadway, Littleton, CO 80122-2602.
What is Jason Armstrong's phone number?: The practice phone number listed in the NPPES registry for Jason Armstrong is (303) 730-5800.
Is Jason Armstrong's NPI active?: Yes — Jason Armstrong's NPI (1578539276) is active in the NPPES registry as of the last update on 2007-07-08.

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