James Lancaster, M..D.
NPI 1841230604 · Internal Medicine Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Lancaster, M..D. is a Internal Medicine Physician provider in Nashville, TN (NPI 1841230604).
Provider details
- NPI number
- 1841230604
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M..D.
- Sex
- Male
- Sole proprietor
- No
- License
- 27746 (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
- 2006-06-08
- Last updated
- 2011-02-02
Frequently asked questions
- What is James Lancaster's NPI number?
- James Lancaster's National Provider Identifier (NPI) is 1841230604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Lancaster's specialty?
- James Lancaster is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Lancaster located?
- James Lancaster's practice location on file with NPPES is 4230 Harding Rd, Nashville, TN 37205-2013.
- What is James Lancaster's phone number?
- The practice phone number listed in the NPPES registry for James Lancaster is (615) 297-2700.
- Does James Lancaster accept Medicare?
- James Lancaster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Lancaster's NPI active?
- Yes — James Lancaster's NPI (1841230604) is active in the NPPES registry as of the last update on 2011-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.