Internal Medicine, LLC
NPI 1235389859 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Internal Medicine, LLC is a Internal Medicine Physician organization in Saint Louis, MO (NPI 1235389859).
Provider details
- NPI number
- 1235389859
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alexander Rudoi, Owner(314) 481-7030
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
17 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
- 2008-09-19
- Last updated
- 2008-09-19
Frequently asked questions
- What is Internal Medicine, LLC's NPI number?
- Internal Medicine, LLC's National Provider Identifier (NPI) is 1235389859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Internal Medicine, LLC?
- Internal Medicine, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Internal Medicine, LLC located?
- Internal Medicine, LLC's practice location on file with NPPES is 4346 Loughborough Ave, Saint Louis, MO 63116-2104.
- What is Internal Medicine, LLC's phone number?
- The practice phone number listed in the NPPES registry for Internal Medicine, LLC is (314) 481-7030.
- Does Internal Medicine, LLC accept Medicare?
- Internal Medicine, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Internal Medicine, LLC?
- The authorized official listed on Internal Medicine, LLC's NPPES record is Alexander Rudoi, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Internal Medicine, LLC's NPI active?
- Yes — Internal Medicine, LLC's NPI (1235389859) is active in the NPPES registry as of the last update on 2008-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.