IndividualActive
John Williamson, PHARMD
NPI 1982687141 · Pharmacotherapy Pharmacist · Wallingford, PA
John Williamson, PHARMD is a Pharmacotherapy Pharmacist provider in Wallingford, PA (NPI 1982687141).
Provider details
- NPI number
- 1982687141
- Entity type
- Individual
- Primary specialty
- Pharmacotherapy PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- License
- RP042197L (PA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
415 Golfview Rd
Wallingford, PA 19086-6408
Phone: (610) 892-2928
Fax: (610) 892-7920
Street-level locationGet directions
Mailing address
415 Golfview Rd
Wallingford, PA 19086-6408
Registry dates
- Enumerated
- 2005-11-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Williamson's NPI number?
- John Williamson's National Provider Identifier (NPI) is 1982687141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Williamson's specialty?
- John Williamson is listed in the NPPES registry with a primary specialty of Pharmacotherapy Pharmacist (Pharmacy Service Providers).
- Where is John Williamson located?
- John Williamson's practice location on file with NPPES is 415 Golfview Rd, Wallingford, PA 19086-6408.
- What is John Williamson's phone number?
- The practice phone number listed in the NPPES registry for John Williamson is (610) 892-2928.
- Is John Williamson's NPI active?
- Yes — John Williamson's NPI (1982687141) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.