IndividualActive
Mark Brommelhorst, RPH
NPI 1023331519 · Pharmacist · O Fallon, MO
Mark Brommelhorst, RPH is a Pharmacist provider in O Fallon, MO (NPI 1023331519).
Provider details
- NPI number
- 1023331519
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- RPH
- Sex
- Male
- Sole proprietor
- No
- License
- MO 040405 (MO)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
20 Ofallon
O Fallon, MO 63366-3034
Phone: (636) 240-6610
Fax: (636) 240-7732
Street-level locationGet directions
Mailing address
20 Ofallon Sq
O Fallon, MO 63366-3034
Registry dates
- Enumerated
- 2010-03-11
- Last updated
- 2010-03-11
Frequently asked questions
- What is Mark Brommelhorst's NPI number?
- Mark Brommelhorst's National Provider Identifier (NPI) is 1023331519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Brommelhorst's specialty?
- Mark Brommelhorst is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Mark Brommelhorst located?
- Mark Brommelhorst's practice location on file with NPPES is 20 Ofallon, O Fallon, MO 63366-3034.
- What is Mark Brommelhorst's phone number?
- The practice phone number listed in the NPPES registry for Mark Brommelhorst is (636) 240-6610.
- Is Mark Brommelhorst's NPI active?
- Yes — Mark Brommelhorst's NPI (1023331519) is active in the NPPES registry as of the last update on 2010-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.