IndividualActive
Hannah Sonderby
NPI 1639038748 · Mental Health Counselor · Exton, PA
Hannah Sonderby is a Mental Health Counselor provider in Exton, PA (NPI 1639038748).
Provider details
- NPI number
- 1639038748
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
728 Springdale Dr
Exton, PA 19341-2941
Phone: (610) 344-9600
Approximate (ZIP-level) locationGet directions
Mailing address
49 Grant St
Phoenixville, PA 19460-3130
Registry dates
- Enumerated
- 2026-01-15
- Last updated
- 2026-01-15
- Certified
- 2026-01-15
Frequently asked questions
- What is Hannah Sonderby's NPI number?
- Hannah Sonderby's National Provider Identifier (NPI) is 1639038748, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Sonderby's specialty?
- Hannah Sonderby is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Hannah Sonderby located?
- Hannah Sonderby's practice location on file with NPPES is 728 Springdale Dr, Exton, PA 19341-2941.
- What is Hannah Sonderby's phone number?
- The practice phone number listed in the NPPES registry for Hannah Sonderby is (610) 344-9600.
- Is Hannah Sonderby's NPI active?
- Yes — Hannah Sonderby's NPI (1639038748) is active in the NPPES registry as of the last update on 2026-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.