David A Thomas, LTD in Glen Mills, PA
This location of David A Thomas bills under NPI 1356417745, an organization record issued on Nov 28, 2006 with the primary taxonomy Psychologist. It is one of 2 NPIs registered under this name and one of 2 in Glen Mills; each clinician who sees you there has their own NPI and license.
- Legal name
- David A Thomas, LTD
- Entity
- Type 2 · organization
- Primary taxonomy
- Psychologist 103T00000X
- Practice location
- 1788 WILMINGTON PIKE SUITE 100, Glen Mills, PA 19342
- Phone
- 610-744-2960
- Enumerated
- Nov 28, 2006
- Record updated
- Apr 28, 2026
- Authorized official
- Neurologist (title as filed)
The other Glen Mills NPI
- David A Thomas, LTD1788 WILMINGTON PIKE SUITE 100 · issued Jun 9, 20061518908946
5 clinicians CMS lists with David A Thomas in Glen Mills
- Justine Bates-Krakoff, PHDClinical Psychologist1518631845
- Joseph Haughey, PSYDPsychologist1386125771
- Elizabeth Merryfield, PSYDPsychologist1023632601
- William O'Connor, MDNeurology Physician1730132507
- David Thomas, DO, PHDNeurology Physician1104870146
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the Pennsylvania secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Which Glen Mills NPI should I use?
Ask the office which NPI it bills under; all 2 Glen Mills NPIs are registered under the same name.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.