Norman Liddell, MD, PHD
NPI 1578547758 · Specialist · Sevierville, TN
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Norman Liddell, MD, PHD is a Specialist provider in Sevierville, TN (NPI 1578547758).
Provider details
- NPI number
- 1578547758
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD28522 (TN)
Specialties & taxonomies
Other Service Providers
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
- 2005-12-01
- Last updated
- 2010-07-06
Frequently asked questions
- What is Norman Liddell's NPI number?
- Norman Liddell's National Provider Identifier (NPI) is 1578547758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Norman Liddell's specialty?
- Norman Liddell is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Norman Liddell located?
- Norman Liddell's practice location on file with NPPES is 1240 Fox Meadows Boulevard, Sevierville, TN 37862-6928.
- What is Norman Liddell's phone number?
- The practice phone number listed in the NPPES registry for Norman Liddell is (865) 428-4042.
- Does Norman Liddell accept Medicare?
- Norman Liddell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Norman Liddell's NPI active?
- Yes — Norman Liddell's NPI (1578547758) is active in the NPPES registry as of the last update on 2010-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.