John Walker, RPH
NPI 1639410111 · Pharmacist · Brockton, MA
John Walker, RPH is a Pharmacist provider in Brockton, MA (NPI 1639410111).
Provider details
- NPI number
- 1639410111
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- RPH
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0405547 (NY)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2013-03-08
- Last updated
- 2020-11-02
- Certified
- 2020-11-02
Frequently asked questions
- What is John Walker's NPI number?
- John Walker's National Provider Identifier (NPI) is 1639410111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walker's specialty?
- John Walker is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is John Walker located?
- John Walker's practice location on file with NPPES is 623 Centre St, Brockton, MA 02302-3307.
- What is John Walker's phone number?
- The practice phone number listed in the NPPES registry for John Walker is (085) 886-8005.
- Is John Walker's NPI active?
- Yes — John Walker's NPI (1639410111) is active in the NPPES registry as of the last update on 2020-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.