1. Home
  2. Directory
  3. NPI Profile

MERCY PHARMACY SERVICES LLC
NPI 1003520586
Pharmacy - Community/Retail Pharmacy in Crestwood, MO

Active since January 10, 2023
9555 WATSON RD, SUITE A, CRESTWOOD, MO 63126(314) 628-5626 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 26, 2026, Jan 25, 2023, Jan 10, 2023 (3 updates tracked since 2023).

About Mercy Pharmacy Services Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERCY PHARMACY SERVICES LLC (NPI 1003520586), doing business as Mercy Pharmacy Crestwood, is a healthcare organization registered as a community/retail pharmacy in Crestwood, Missouri and active in the NPI registry since January 2023. The organization lists Doug Malcolm, Vice President, as its authorized official.

NPPES Registry Identity

NPI1003520586
Entity TypeOrganization
Primary Taxonomy3336C0003X
Legal Business NameMERCY PHARMACY SERVICES LLC
Location Address9555 WATSON RD, SUITE ACrestwood, MO 63126
Mailing Address14528 S Outer 40 RdChesterfield, MO 63017-5785 · (314) 628-5627
Phone(314) 628-5626
Organization SubpartYes
Authorized OfficialDoug MalcolmVice President · (303) 813-5532
Enumeration DateJanuary 10, 2023
Last NPPES UpdateJanuary 26, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
✔ NPI 1003520586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacy · Community/Retail PharmacySuppliers
Taxonomy Code3336C0003X
Definition
A pharmacy where pharmacists store, prepare, and dispense medicinal preparations and/or prescriptions for a local patient population in accordance with federal and state law; counsel patients and caregivers (sometimes independent of the dispensing process); administer vaccinations; and provide other professional services associated with pharmaceutical care such as health screenings, consultative services with other health care providers, collaborative practice, disease state management, and education classes.
9555 WATSON RD, Crestwood, MO 63126
Open in Google Maps ↗

Other Names 1

Doing Business AsMercy Pharmacy Crestwood

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arizona Complete Health and more.Insurance ›

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
129 services128 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
123 services122 patients

Medical Equipment Supplier Medicare DMEPOS 4

Medicare supplier enrollment and the product categories Mercy Pharmacy Crestwood carries, from the Medicare DMEPOS supplier directory.

Mercy Pharmacy Crestwood

DMEPOS supplier · Saint Louis, MOOperated by Mercy Pharmacy Services, LLC
✔

Accepts Medicare assignment

Mercy Pharmacy Crestwood agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.

PTAN (Medicare Supplier Number)20460971
Medicare Participant SinceJuly 1, 2017
Supplier Location9555 Watson Rd Ste ASaint Louis, MO 63126
Phone(314) 628-5626
Supplier Specialties
Pharmacy

Medicare Product Categories

Immunosuppressive Drugs
Immunosuppressive drugs require dosage, frequency, and route of administration to prevent or treat the rejection of an organ transplant
Nebulizer Drugs
Albuterol, levalbuterol, and metaproterenol are all short-acting bronchodilators with beta-adrenergic stimulatory effect
Oral Anticancer Drugs
FDA anticancer drugs
Blood Glucose Monitors/Supplies (Non-Mail Order)
Home blood glucose monitors including lancets, reagent strips, and other supplies necessary for the proper functioning of the device
Product categories are from the Medicare DMEPOS supplier directory. Contact the supplier to confirm current availability of specific items.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mercy Pharmacy Services LLC's NPI number?

The NPI number for Mercy Pharmacy Services LLC is 1003520586. It was assigned to this organization in the NPPES registry on January 10, 2023. The provider is doing business as Mercy Pharmacy Crestwood.

Where is Mercy Pharmacy Services LLC located?

Mercy Pharmacy Services LLC is located at 9555 Watson Rd Suite A, Crestwood, MO 63126. The listed phone number is (314) 628-5626.

What is Mercy Pharmacy Services LLC's specialty?

The primary specialty registered for this NPI is Pharmacy, specializing in Community/Retail Pharmacy, with taxonomy code 3336C0003X.

Does Mercy Pharmacy Services LLC accept Medicare assignment for medical equipment?

Yes. As a Medicare medical equipment supplier, Mercy Pharmacy Crestwood accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.

What insurance does Mercy Pharmacy Services LLC accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arizona Complete Health and 49 other insurers list Mercy Pharmacy Services LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mercy Pharmacy Services LLC was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.