Mark Maertins
NPI 1295786838 · Emergency Medicine Physician · Lone Tree, CO
Mark Maertins is a Emergency Medicine Physician provider in Lone Tree, CO (NPI 1295786838).
Provider details
- NPI number
- 1295786838
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- G57624 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2015-07-31
Frequently asked questions
- What is Mark Maertins's NPI number?
- Mark Maertins's National Provider Identifier (NPI) is 1295786838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Maertins's specialty?
- Mark Maertins is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Maertins located?
- Mark Maertins's practice location on file with NPPES is 10101 Ridgegate Parkway, Lone Tree, CO 80124-9810.
- What is Mark Maertins's phone number?
- The practice phone number listed in the NPPES registry for Mark Maertins is (720) 225-1900.
- Is Mark Maertins's NPI active?
- Yes — Mark Maertins's NPI (1295786838) is active in the NPPES registry as of the last update on 2015-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.