Gregory Stills
NPI 1457210023 · Mental Illness Community Based Residential Treatment Facility · San Bernardino, CA
Gregory Stills is a Mental Illness Community Based Residential Treatment Facility provider in San Bernardino, CA (NPI 1457210023).
Provider details
- NPI number
- 1457210023
- Entity type
- Individual
- Primary specialty
- Mental Illness Community Based Residential Treatment FacilityResidential Treatment Facilities
- Sex
- Male
- Sole proprietor
- Yes
- License
- 202022010219 (CA)
Specialties & taxonomies
- Mental Illness Community Based Residential Treatment FacilityPrimary320800000XLicense 202022010219 (CA)
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-01-20
- Last updated
- 2026-01-20
- Certified
- 2026-01-20
Frequently asked questions
- What is Gregory Stills's NPI number?
- Gregory Stills's National Provider Identifier (NPI) is 1457210023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Stills's specialty?
- Gregory Stills is listed in the NPPES registry with a primary specialty of Mental Illness Community Based Residential Treatment Facility (Residential Treatment Facilities).
- Where is Gregory Stills located?
- Gregory Stills's practice location on file with NPPES is 2302 Donald St, San Bernardino, CA 92407-6475.
- What is Gregory Stills's phone number?
- The practice phone number listed in the NPPES registry for Gregory Stills is (808) 743-5360.
- Is Gregory Stills's NPI active?
- Yes — Gregory Stills's NPI (1457210023) is active in the NPPES registry as of the last update on 2026-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.