Allen Sills, MD
NPI 1225028012 · Neurological Surgery Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allen Sills, MD is a Neurological Surgery Physician provider in Nashville, TN (NPI 1225028012).
Provider details
- NPI number
- 1225028012
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD29608 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-10-24
- Last updated
- 2022-03-24
- Certified
- 2022-03-24
Frequently asked questions
- What is Allen Sills's NPI number?
- Allen Sills's National Provider Identifier (NPI) is 1225028012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allen Sills's specialty?
- Allen Sills is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Allen Sills located?
- Allen Sills's practice location on file with NPPES is 3601 Tvc, Nashville, TN 37232-0001.
- What is Allen Sills's phone number?
- The practice phone number listed in the NPPES registry for Allen Sills is (615) 322-3000.
- Does Allen Sills accept Medicare?
- Allen Sills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allen Sills's NPI active?
- Yes — Allen Sills's NPI (1225028012) is active in the NPPES registry as of the last update on 2022-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.