Gregory Fellman, LCSW
NPI 1114077179 · Clinical Social Worker · Lone Tree, CO
Gregory Fellman, LCSW is a Clinical Social Worker provider in Lone Tree, CO (NPI 1114077179).
Provider details
- NPI number
- 1114077179
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 992519 (CO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2007-01-11
- Last updated
- 2018-05-04
Frequently asked questions
- What is Gregory Fellman's NPI number?
- Gregory Fellman's National Provider Identifier (NPI) is 1114077179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Fellman's specialty?
- Gregory Fellman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gregory Fellman located?
- Gregory Fellman's practice location on file with NPPES is 10240 Park Meadows Dr, Lone Tree, CO 80124-5425.
- What is Gregory Fellman's phone number?
- The practice phone number listed in the NPPES registry for Gregory Fellman is (303) 338-4545.
- Is Gregory Fellman's NPI active?
- Yes — Gregory Fellman's NPI (1114077179) is active in the NPPES registry as of the last update on 2018-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.