Active NPI
Mercy Pharmacy Services LLC
Doing business as Mercy Pharmacy Lake St. Louis
- Community/Retail Pharmacy
- Lake Saint Louis, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Community/Retail Pharmacy
- Legal business name
- MERCY PHARMACY SERVICES LLC
- Doing business as
- Mercy Pharmacy Lake St. Louis
- Practice address
- 6450 Ronald Reagan Dr
Lake Saint Louis, MO 63367-2676 - Phone
- (314) 398-4460
- NPI assigned
- Aug 5, 2021
- Last updated
- Jan 26, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Doug Malcolm, PHARMD, MHA
- Title
- Vice President
- Phone
- (303) 813-5532
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pharmacy | 333600000X | NU | ||
| Community/Retail Pharmacy | 3336C0003X | NU | Primary |
Addresses
Primary practice location
6450 Ronald Reagan Dr
Lake Saint Louis, MO 63367-2676
Mailing address
14528 S Outer 40 Rd Ste 100
Chesterfield, MO 63017-5743
Phone (314) 398-4460
Other names 1
- Mercy Pharmacy Lake St. Louis
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20170824002384 | MO | Part B Supplier - Mass Immunization (Roster Biller Only) | 3375815483 |
This NPI is an additional NPI on the enrollment Practice locations: Rolla, MO; Saint Louis, MO; Saint Charles, MO; Saint Peters, MO; Saint Robert, MO; Sappington, MO; Springfield, MO; St Louis, MO… |
| O20221215002831 | MO | DME Supplier - Pharmacy | 3375815483 | Practice locations: Lake Saint Louis, MO |
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
Medicare medical equipment & supply locations
| Supplier | Supplies | Medicare assignment |
|---|---|---|
| Mercy Pharmacy Lake Saint Louis | Epoetin|Immunosuppressive Drugs|Infusion Drugs|Nebulizer Drugs|Oral Anticancer Drugs|Oral Antiemetic Drugs|Blood Glucose Monitors/Supplies (Non-Mail Order) | Accepts assignment |
National Provider Directory
National Provider Directory- Tax ID family
- Mercy Pharmacy Services LLC
Organizations with this tax ID in the same state 24
This tax ID family is large, so up to 24 of its organizations in the same state are linked here.
-
- Community/Retail Pharmacy
- Chesterfield, MO
- NPI 1023600434
-
dba Mercy Pharmacy Lemay
- Community/Retail Pharmacy
- Lemay, MO
- NPI 1033701446
-
dba Mercy Pharmacy Brentwood
- Community/Retail Pharmacy
- Brentwood, MO
- NPI 1083206486
-
dba Mercy Pharmacy Florissant
- Community/Retail Pharmacy
- Florissant, MO
- NPI 1225620628
-
- Community/Retail Pharmacy
- Fenton, MO
- NPI 1235721630
-
- Community/Retail Pharmacy
- O'Fallon, MO
- NPI 1255923652
-
- Community/Retail Pharmacy
- Creve Coeur, MO
- NPI 1255925780
-
- Community/Retail Pharmacy
- Saint Peters, MO
- NPI 1376135772
-
- Community/Retail Pharmacy
- Wildwood, MO
- NPI 1386236792
-
dba Mercy Pharmacy Troy
- Community/Retail Pharmacy
- Troy, MO
- NPI 1396475307
-
- Community/Retail Pharmacy
- Arnold, MO
- NPI 1457943854
-
dba Mercy Pharmacy Warson Woods
- Community/Retail Pharmacy
- Kirkwood, MO
- NPI 1487246898
Member of 1
Organizations this organization is a member of, according to the National Provider Directory.
-
dba Mercy Specialty Pharmacy Oklahoma City
- Specialty Pharmacy
- Oklahoma City, OK
- NPI 1861849804
Member Of
Locations
6450 Ronald Reagan Dr
Lake Saint Louis, MO 63367
Phone (314) 398-4460
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1628121600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1769385600000",
"number": "1326712191",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "14528 S OUTER 40 RD STE 100",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630175743",
"telephone_number": "314-398-4460"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6450 RONALD REAGAN DR",
"city": "LAKE SAINT LOUIS",
"state": "MO",
"postal_code": "633672676",
"telephone_number": "314-398-4460"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "MERCY PHARMACY SERVICES LLC",
"organizational_subpart": "NO",
"enumeration_date": "2021-08-05",
"last_updated": "2026-01-26",
"certification_date": "2026-01-26",
"status": "A",
"authorized_official_last_name": "MALCOLM",
"authorized_official_first_name": "DOUG",
"authorized_official_title_or_position": "VICE PRESIDENT",
"authorized_official_telephone_number": "303-813-5532",
"authorized_official_credential": "PHARMD, MHA"
},
"taxonomies": [
{
"code": "333600000X",
"taxonomy_group": "",
"desc": "Pharmacy",
"state": "NU",
"license": null,
"primary": false
},
{
"code": "3336C0003X",
"taxonomy_group": "",
"desc": "Pharmacy, Community/Retail Pharmacy",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Mercy Pharmacy Lake St. Louis",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Lake Saint Louis, MO
- Karalynn Matthews, RN
- Melanie V Maze, ANP, BC
- Kathleen McCarty, OTA
- Jordan Nicole McCowen, DPT
- Kylie Meier
- Christopher James Miller, MD
- Missouri Dental Professionals, Richard Straus, D.M.D., P.C. (Lake St. Louis Dental Care)
- Missouri Dental Professionals, Richard Straus, DMD, PC (Brevco Family Dentistry)
- Vidal Luis Mora, L.A.T., A.T.C.
- Jaclyn Morris, CPNP-PC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.