IndividualActive
Donna Mahnen, LCSW
NPI 1215929385 · Clinical Social Worker · Denver, CO
Donna Mahnen, LCSW is a Clinical Social Worker provider in Denver, CO (NPI 1215929385).
Provider details
- NPI number
- 1215929385
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- License
- 992535 (CO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
1405 Federal Blvd
Denver, CO 80204-2211
Phone: (303) 504-1500
Fax: (303) 825-1711
Street-level locationGet directions
Mailing address
4141 E Dickenson Pl
Denver, CO 80222-6012
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donna Mahnen's NPI number?
- Donna Mahnen's National Provider Identifier (NPI) is 1215929385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Mahnen's specialty?
- Donna Mahnen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Donna Mahnen located?
- Donna Mahnen's practice location on file with NPPES is 1405 Federal Blvd, Denver, CO 80204-2211.
- What is Donna Mahnen's phone number?
- The practice phone number listed in the NPPES registry for Donna Mahnen is (303) 504-1500.
- Is Donna Mahnen's NPI active?
- Yes — Donna Mahnen's NPI (1215929385) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.