Alton Memorial Physician Billing Services LLC
NPI 1558783647 · Multi-Specialty Clinic/Center · Alton, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alton Memorial Physician Billing Services LLC is a Multi-Specialty Clinic/Center organization in Alton, IL (NPI 1558783647).
Provider details
- NPI number
- 1558783647
- Entity type
- Organization
- Primary specialty
- Multi-Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Susan Koesterer, Vice President, Cfo(314) 653-5715
Specialties & taxonomies
Ambulatory Health Care Facilities
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
- Infectious Disease Physician207RI0200X
Allopathic & Osteopathic Physicians
- Obstetrics & Gynecology Physician207V00000X
Allopathic & Osteopathic Physicians
- Orthopaedic Surgery Physician207X00000X
Allopathic & Osteopathic Physicians
- Pediatrics Physician208000000X
Allopathic & Osteopathic Physicians
- Surgery Physician208600000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
Other names (DBA / former)
- Doing business as
- Alton Multispecialists Physicians
- Doing business as
- St. Louis Cardiology Consultants
Registry dates
- Enumerated
- 2014-01-09
- Last updated
- 2021-03-25
- Certified
- 2021-03-25
Frequently asked questions
- What is Alton Memorial Physician Billing Services LLC's NPI number?
- Alton Memorial Physician Billing Services LLC's National Provider Identifier (NPI) is 1558783647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alton Memorial Physician Billing Services LLC?
- Alton Memorial Physician Billing Services LLC is classified in the NPPES registry as Multi-Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Alton Memorial Physician Billing Services LLC located?
- Alton Memorial Physician Billing Services LLC's practice location on file with NPPES is 1 Professional Dr, Alton, IL 62002.
- What is Alton Memorial Physician Billing Services LLC's phone number?
- The practice phone number listed in the NPPES registry for Alton Memorial Physician Billing Services LLC is (618) 474-0130.
- Does Alton Memorial Physician Billing Services LLC accept Medicare?
- Alton Memorial Physician Billing Services 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 Alton Memorial Physician Billing Services LLC?
- The authorized official listed on Alton Memorial Physician Billing Services LLC's NPPES record is Susan Koesterer, Vice President, Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alton Memorial Physician Billing Services LLC's NPI active?
- Yes — Alton Memorial Physician Billing Services LLC's NPI (1558783647) is active in the NPPES registry as of the last update on 2021-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.