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John Armstrong, MD
NPI 1881709152 · Anesthesiology Physician · Aurora, CO
John Armstrong, MD is a Anesthesiology Physician provider in Aurora, CO (NPI 1881709152).
Provider details
- NPI number
- 1881709152
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21903 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
12605 E 16th Ave
Aurora, CO 80045-2545
Phone: (720) 848-0000
Street-level locationGet directions
Mailing address
Po Box 110429
Aurora, CO 80042-0429
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2012-10-05
Frequently asked questions
- What is John Armstrong's NPI number?
- John Armstrong's National Provider Identifier (NPI) is 1881709152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Armstrong's specialty?
- John Armstrong is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Armstrong located?
- John Armstrong's practice location on file with NPPES is 12605 E 16th Ave, Aurora, CO 80045-2545.
- What is John Armstrong's phone number?
- The practice phone number listed in the NPPES registry for John Armstrong is (720) 848-0000.
- Is John Armstrong's NPI active?
- Yes — John Armstrong's NPI (1881709152) is active in the NPPES registry as of the last update on 2012-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.