IndividualActive
Sean Drennan, PHARMD
NPI 1780291211 · Pharmacist · Olean, NY
Sean Drennan, PHARMD is a Pharmacist provider in Olean, NY (NPI 1780291211).
Provider details
- NPI number
- 1780291211
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 066902 (NY)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
1869 Plaza Dr
Olean, NY 14760-1864
Phone: (716) 373-2781
Street-level locationGet directions
Mailing address
3236 Porter Rd
Niagara Falls, NY 14305-3322
Registry dates
- Enumerated
- 2020-09-29
- Last updated
- 2020-09-29
- Certified
- 2020-09-29
Frequently asked questions
- What is Sean Drennan's NPI number?
- Sean Drennan's National Provider Identifier (NPI) is 1780291211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Drennan's specialty?
- Sean Drennan is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Sean Drennan located?
- Sean Drennan's practice location on file with NPPES is 1869 Plaza Dr, Olean, NY 14760-1864.
- What is Sean Drennan's phone number?
- The practice phone number listed in the NPPES registry for Sean Drennan is (716) 373-2781.
- Is Sean Drennan's NPI active?
- Yes — Sean Drennan's NPI (1780291211) is active in the NPPES registry as of the last update on 2020-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.