IndividualActive
Ellen Breen, M.D.
NPI 1356754808 · Psychiatry Physician · Denver, CO
Ellen Breen, M.D. is a Psychiatry Physician provider in Denver, CO (NPI 1356754808).
Provider details
- NPI number
- 1356754808
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- DR.0059258 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
777 Bannock St
Denver, CO 80204
Phone: (303) 436-6000
Street-level locationGet directions
Mailing address
777 Bannock St
Denver, CO 80204-4507
Registry dates
- Enumerated
- 2014-06-03
- Last updated
- 2019-05-23
Frequently asked questions
- What is Ellen Breen's NPI number?
- Ellen Breen's National Provider Identifier (NPI) is 1356754808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Breen's specialty?
- Ellen Breen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Breen located?
- Ellen Breen's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204.
- What is Ellen Breen's phone number?
- The practice phone number listed in the NPPES registry for Ellen Breen is (303) 436-6000.
- Is Ellen Breen's NPI active?
- Yes — Ellen Breen's NPI (1356754808) is active in the NPPES registry as of the last update on 2019-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.