IndividualActive
Mary Ellison, RPH
NPI 1871876953 · Pharmacist · O Fallon, MO
Mary Ellison, RPH is a Pharmacist provider in O Fallon, MO (NPI 1871876953).
Provider details
- NPI number
- 1871876953
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- RPH
- Sex
- Female
- Sole proprietor
- No
- License
- 042428 (MO)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
1490 Mexico Loop Rd E
O Fallon, MO 63366-6015
Phone: (636) 978-1602
Street-level locationGet directions
Mailing address
400 Mason Ridge Dr
Saint Charles, MO 63304-7283
Registry dates
- Enumerated
- 2011-09-24
- Last updated
- 2011-09-24
Frequently asked questions
- What is Mary Ellison's NPI number?
- Mary Ellison's National Provider Identifier (NPI) is 1871876953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ellison's specialty?
- Mary Ellison is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Mary Ellison located?
- Mary Ellison's practice location on file with NPPES is 1490 Mexico Loop Rd E, O Fallon, MO 63366-6015.
- What is Mary Ellison's phone number?
- The practice phone number listed in the NPPES registry for Mary Ellison is (636) 978-1602.
- Is Mary Ellison's NPI active?
- Yes — Mary Ellison's NPI (1871876953) is active in the NPPES registry as of the last update on 2011-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.