Shallary Duncan, PH.D.
NPI 1003125428 · Clinical Psychologist · Williamsport, PA
Shallary Duncan, PH.D. is a Clinical Psychologist provider in Williamsport, PA (NPI 1003125428).
Provider details
- NPI number
- 1003125428
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PC001004 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2010-10-04
- Last updated
- 2010-10-04
Frequently asked questions
- What is Shallary Duncan's NPI number?
- Shallary Duncan's National Provider Identifier (NPI) is 1003125428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shallary Duncan's specialty?
- Shallary Duncan is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Shallary Duncan located?
- Shallary Duncan's practice location on file with NPPES is 721 Rose St, Williamsport, PA 17701-1678.
- What is Shallary Duncan's phone number?
- The practice phone number listed in the NPPES registry for Shallary Duncan is (570) 971-7729.
- Is Shallary Duncan's NPI active?
- Yes — Shallary Duncan's NPI (1003125428) is active in the NPPES registry as of the last update on 2010-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.