Advanced Internal Medicine, LLC
NPI 1508063405 · Internal Medicine Physician · Mount Vernon, IL
Advanced Internal Medicine, LLC is a Internal Medicine Physician organization in Mount Vernon, IL (NPI 1508063405).
Provider details
- NPI number
- 1508063405
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Loren Chassels, Owner(618) 241-4016
- License
- 036116700 (IL)
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
18 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
- 2007-07-02
- Last updated
- 2012-05-01
Frequently asked questions
- What is Advanced Internal Medicine, LLC's NPI number?
- Advanced Internal Medicine, LLC's National Provider Identifier (NPI) is 1508063405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Advanced Internal Medicine, LLC?
- Advanced Internal Medicine, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Advanced Internal Medicine, LLC located?
- Advanced Internal Medicine, LLC's practice location on file with NPPES is 605 N 12th St, Mount Vernon, IL 62864-2857.
- What is Advanced Internal Medicine, LLC's phone number?
- The practice phone number listed in the NPPES registry for Advanced Internal Medicine, LLC is (618) 241-4016.
- Who is the authorized official for Advanced Internal Medicine, LLC?
- The authorized official listed on Advanced Internal Medicine, LLC's NPPES record is Loren Chassels, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Advanced Internal Medicine, LLC's NPI active?
- Yes — Advanced Internal Medicine, LLC's NPI (1508063405) is active in the NPPES registry as of the last update on 2012-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.