OrganizationActive
Stem Operating LLC
NPI 1316673171 · Neurological Surgery Physician · Denver, CO
Provider details
- NPI number
- 1316673171
- Entity type
- Organization
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alexander Mason, Ceo(404) 227-4864
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
501 S Cherry St Ste 1100
Denver, CO 80246-1323
Phone: (800) 975-1652
Street-level locationGet directions
Mailing address
501 S Cherry St Ste 1100
Denver, CO 80246-1323
Registry dates
- Enumerated
- 2022-07-25
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.