Mark Brittan, MD
NPI 1770668428 · Hospitalist Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Brittan, MD is a Hospitalist Physician provider in Aurora, CO (NPI 1770668428).
Provider details
- NPI number
- 1770668428
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 41360 (CO)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2018-11-17
Frequently asked questions
- What is Mark Brittan's NPI number?
- Mark Brittan's National Provider Identifier (NPI) is 1770668428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Brittan's specialty?
- Mark Brittan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Brittan located?
- Mark Brittan's practice location on file with NPPES is 13123 E 16th Ave, Aurora, CO 80045-7106.
- What is Mark Brittan's phone number?
- The practice phone number listed in the NPPES registry for Mark Brittan is (720) 777-1234.
- Does Mark Brittan accept Medicare?
- Mark Brittan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Brittan's NPI active?
- Yes — Mark Brittan's NPI (1770668428) is active in the NPPES registry as of the last update on 2018-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.