Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Stephen Richard Trask, RPH
Pharmacist in Derry, NH · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255715447
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Registry record
Entity type Individual (Type 1)
Name Mr. Stephen Richard Trask
Credential RPH
Sex Male
Practice address 10 Tsienneto Rd, Derry, NH, 03038
Phone (603) 965-0255
Fax (603) 965-0257
Enumeration date Jul 17, 2015
Last updated in NPPES Jul 17, 2015
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Stephen Trask practice?
The practice location on file with NPPES is in Derry, NH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Stephen Trask?
The National Provider Identifier (NPI) for Stephen Trask is 1255715447, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Heather Souther Mental Health Counselor · Derry, NH NPI 1154374452 Matthew Anderson Counselor · Derry, NH NPI 1306862313 Mental Health Center for Southern New Hampshire Inc Mental Health Clinic/Center (Including Community Mental Health Center) · Derry, NH NPI 1003914466 Lucinda Gregorio Clinical Social Worker · Derry, NH NPI 1982705190 Jason Baker Mental Health Counselor · Derry, NH NPI 1235350984 Sarah Richdale Mental Health Counselor · Derry, NH NPI 1902014186 Valerie Obrien Mental Health Counselor · Derry, NH NPI 1275735375 Jennifer Rowe Social Worker · Derry, NH NPI 1144416579
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-17.