Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. David A Thomas, DO, PHD

Individual provider Neurology Physician · NPI 1104870146

Dr. David A Thomas, DO, PHD is a Neurology in Glen Mills, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1978, 48 years ago. Practices with David a Thomas, Ltd, a 5-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
48
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1788 Wilmington Pike Ste 100
Glen Mills, PA 19342
Phone: (610) 744-2960
Fax: (610) 744-2420
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence OS004234L (PA)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence PS004113L (PA)

Record details

NPI number1104870146
Entity typeIndividual (Type 1)
GenderMale
Credentials DO , PHD
Sole proprietorNo
NPI enumeratedMay 22, 2006
Last updated in NPPESApril 28, 2026
Certification dateApril 28, 2026
Mailing address1788 Wilmington Pike, Suite 100, Glen Mills, PA 19342

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROLOGY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1978 (48 years in practice)
Group practice David A Thomas, Ltd. — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Glen Mills