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Justin Ahn, M.D.
NPI 1407101629 · Emergency Medicine Physician · Denver, CO
Justin Ahn, M.D. is a Emergency Medicine Physician provider in Denver, CO (NPI 1407101629).
Provider details
- NPI number
- 1407101629
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- TL-4294 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
660 Bannock St
Room 395
Denver, CO 80204-4506
Phone: (720) 495-9980
Street-level locationGet directions
Mailing address
15 S Clarkson St
Denver, CO 80209-2148
Registry dates
- Enumerated
- 2012-07-14
- Last updated
- 2012-07-14
Frequently asked questions
- What is Justin Ahn's NPI number?
- Justin Ahn's National Provider Identifier (NPI) is 1407101629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Ahn's specialty?
- Justin Ahn is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Ahn located?
- Justin Ahn's practice location on file with NPPES is 660 Bannock St, Denver, CO 80204-4506.
- What is Justin Ahn's phone number?
- The practice phone number listed in the NPPES registry for Justin Ahn is (720) 495-9980.
- Is Justin Ahn's NPI active?
- Yes — Justin Ahn's NPI (1407101629) is active in the NPPES registry as of the last update on 2012-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.