IndividualActive
Derick Duffy
NPI 1679353593 · Counselor · Lancaster, PA
Derick Duffy is a Counselor provider in Lancaster, PA (NPI 1679353593).
Provider details
- NPI number
- 1679353593
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
40 Pearl St
Lancaster, PA 17603-3231
Phone: (717) 397-8081
Street-level locationGet directions
Mailing address
200 N 7th St
Lebanon, PA 17046-5040
Registry dates
- Enumerated
- 2023-09-29
- Last updated
- 2023-09-29
- Certified
- 2023-09-29
Frequently asked questions
- What is Derick Duffy's NPI number?
- Derick Duffy's National Provider Identifier (NPI) is 1679353593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derick Duffy's specialty?
- Derick Duffy is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Derick Duffy located?
- Derick Duffy's practice location on file with NPPES is 40 Pearl St, Lancaster, PA 17603-3231.
- What is Derick Duffy's phone number?
- The practice phone number listed in the NPPES registry for Derick Duffy is (717) 397-8081.
- Is Derick Duffy's NPI active?
- Yes — Derick Duffy's NPI (1679353593) is active in the NPPES registry as of the last update on 2023-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.