Providers
113
Locations
18
Specialties
5
Insurance Plans
19
About Mercy East Ambulatory Services Llc
Background and practice information
Mercy East Ambulatory Services LLC is a large multi-specialty medical practice based in Manchester, MO, with 113 affiliated healthcare providers practicing across 18 locations.
The practice brings together providers across multiple specialties, including nurse practitioner, family practice, physician assistant, and emergency medicine. Its providers are in-network with 19 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Practice Locations
18 locations
Mercy East Ambulatory Services LlcPrimary
6460 RONALD REAGAN DR, Lake St Louis, MO 633672645
(636) 205-9613
Saint Louis, MO
48 providers
Manchester, MO
32 providers
Washington, MO
29 providers
Creve Coeur, MO
26 providers
Chesterfield, MO
23 providers
Kirkwood, MO
20 providers
Fenton, MO
17 providers
Wentzville, MO
17 providers
Festus, MO
14 providers
O Fallon, MO
14 providers
Saint Charles, MO
14 providers
Clayton, MO
13 providers
Eureka, MO
12 providers
Imperial, MO
12 providers
Florissant, MO
12 providers
Saint Peters, MO
9 providers
Union, MO
9 providers
Affiliations
Hospitals where providers at Mercy East Ambulatory Services Llc hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Mercy East Ambulatory Services Llc accepts 96 plans from 8 insurers, including Cigna, Humana, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Specialties at Mercy East Ambulatory Services Llc
Provider specialties represented at this practice
Healthcare Providers in Lake St Louis
10 providers practice here
Alywin Kluttz, MD
Family Practice
Lake St Louis, MO
Brandy Franzen
Nurse Practitioner
Lake St Louis, MO
Kristine Stemmley, NP
Nurse Practitioner
Lake St Louis, MO
Troy Fuchs, PA
Physician Assistant
Lake St Louis, MO
Laura Horn
Physician Assistant
Lake St Louis, MO
Christine Kamp, PA
Physician Assistant
Lake St Louis, MO
Courtney Pirih
Physician Assistant
Lake St Louis, MO
Geraldine Prophete, PA
Physician Assistant · Telehealth
Lake St Louis, MO
Hollis Smith, PA
Physician Assistant
Lake St Louis, MO
Steven Twidwell, PA
Physician Assistant
Lake St Louis, MO
Frequently Asked Questions
Common questions about Mercy East Ambulatory Services Llc
How many providers are at Mercy East Ambulatory Services LLC?
Mercy East Ambulatory Services LLC has 113 affiliated healthcare providers across 18 locations. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Mercy East Ambulatory Services LLC offer?
The practice includes providers in nurse practitioner, family practice, physician assistant, and emergency medicine, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Mercy East Ambulatory Services LLC accept?
Providers at Mercy East Ambulatory Services LLC are collectively in-network with 19 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Where is Mercy East Ambulatory Services LLC located?
Mercy East Ambulatory Services LLC's primary location is in Manchester, MO, with 17 additional locations listed on this page. See the contact section for the full address and phone number.
Other Group Practices Nearby
Explore more group practices in MO
Washington University
3281 providers · Saint Louis, MO
Saint Lukes Physician Group Inc
1277 providers · Kansas City, MO
Mercy Clinic Springfield Communities
1184 providers · Springfield, MO
The Curators Of The University Of Missouri
1180 providers · Columbia, MO
Ssm Health Care Group
972 providers · Saint Louis, MO
Mercy Clinic East Communities
607 providers · Saint Louis, MO
Group Practices in Nearby Cities
Browse group practices elsewhere in MO