Mark Messer, PHARMD
NPI 1891567822 belongs to Mark Messer, PHARMD, a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice location in Maineville, OH. The NPI was issued on October 24, 2023, and the record was last updated in NPPES on August 14, 2026.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist Primary | 1835P0018X | 3233027 (OH) |
Practice location
Local context
Active NPPES records list 256 providers with pharmacist clinician (phc)/ clinical pharmacy specialist as the primary taxonomy within 25 miles of this practice location's ZIP code, 43 of them within 10 miles.
The same primary taxonomy is listed by 994 in Ohio and 16,327 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. Mark Ryan Messer
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
Building software? Fetch this NPI programmatically with the NPILayer Provider API.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://api.npilayer.com/v1/providers/1891567822"