IndividualActive
William Loeffler, PHARM.D.
NPI 1629379086 · Pharmacotherapy Pharmacist · Buffalo, NY
William Loeffler, PHARM.D. is a Pharmacotherapy Pharmacist provider in Buffalo, NY (NPI 1629379086).
Provider details
- NPI number
- 1629379086
- Entity type
- Individual
- Primary specialty
- Pharmacotherapy PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 052896 (NY)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
1083 Delaware Ave
Buffalo, NY 14209-1635
Phone: (716) 222-0392
Street-level locationGet directions
Mailing address
5623 Angela Dr
Lockport, NY 14094-6674
Registry dates
- Enumerated
- 2010-11-16
- Last updated
- 2010-11-16
Frequently asked questions
- What is William Loeffler's NPI number?
- William Loeffler's National Provider Identifier (NPI) is 1629379086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Loeffler's specialty?
- William Loeffler is listed in the NPPES registry with a primary specialty of Pharmacotherapy Pharmacist (Pharmacy Service Providers).
- Where is William Loeffler located?
- William Loeffler's practice location on file with NPPES is 1083 Delaware Ave, Buffalo, NY 14209-1635.
- What is William Loeffler's phone number?
- The practice phone number listed in the NPPES registry for William Loeffler is (716) 222-0392.
- Is William Loeffler's NPI active?
- Yes — William Loeffler's NPI (1629379086) is active in the NPPES registry as of the last update on 2010-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.