Internal Medicine Specialists Ltd
NPI 1386734127 · Internal Medicine Physician · Alton, IL
Internal Medicine Specialists Ltd is a Internal Medicine Physician organization in Alton, IL (NPI 1386734127).
Provider details
- NPI number
- 1386734127
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Charles Earnshaw, Owner(618) 465-5414
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
19 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
- 2006-10-13
- Last updated
- 2020-08-22
Frequently asked questions
- What is Internal Medicine Specialists Ltd's NPI number?
- Internal Medicine Specialists Ltd's National Provider Identifier (NPI) is 1386734127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Internal Medicine Specialists Ltd?
- Internal Medicine Specialists Ltd is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Internal Medicine Specialists Ltd located?
- Internal Medicine Specialists Ltd's practice location on file with NPPES is 815 E 5th St, Alton, IL 62002-6471.
- What is Internal Medicine Specialists Ltd's phone number?
- The practice phone number listed in the NPPES registry for Internal Medicine Specialists Ltd is (618) 465-5414.
- Who is the authorized official for Internal Medicine Specialists Ltd?
- The authorized official listed on Internal Medicine Specialists Ltd's NPPES record is Charles Earnshaw, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Internal Medicine Specialists Ltd's NPI active?
- Yes — Internal Medicine Specialists Ltd's NPI (1386734127) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.