DAVID A THOMAS, LTD
NPI 1356417745
Psychologist in Glen Mills, PA

Active since November 28, 2006
1788 WILMINGTON PIKE, SUITE 100, GLEN MILLS, PA 19342(610) 744-2960(610) 744-2420 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 28, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About David A Thomas, Ltd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID A THOMAS, LTD (NPI 1356417745), doing business as Center For Neuroscience, is a healthcare organization registered as a psychologist in Glen Mills, Pennsylvania and active in the NPI registry since November 2006. The organization lists David A Thomas, Neurologist, as its authorized official.

NPPES Registry Identity

NPI1356417745
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameDAVID A THOMAS, LTD
Location Address1788 WILMINGTON PIKE, SUITE 100Glen Mills, PA 19342
Mailing Address1788 Wilmington Pike, Suite 100Glen Mills, PA 19342 · (610) 744-2960 · Fax (610) 744-2420
Fax(610) 744-2420
Organization SubpartNo
Authorized OfficialDavid A ThomasNeurologist · (610) 744-2960
Enumeration DateNovember 28, 2006
Last NPPES UpdateApril 28, 20262 updates tracked since enumeration
NPPES CertifiedApril 28, 2026
✔ NPI 1356417745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in PA · PS004113L
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
1788 WILMINGTON PIKE, Glen Mills, PA 19342

Other Names 2

Doing Business AsCenter For Neuroscience
Doing Business AsNeurobehavioral Unit

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David A Thomas, Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

25

Medicare enrollment records show 25 clinicians reassign Medicare billing to David A Thomas, Ltd, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 9 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Nurse Practitioner14
Clinical Psychologist9
Neurology2

Nearest to this location (20)

See all 25
Nurse Practitioner
NPI 1831314400
1788 WILMINGTON PIKE SUITE 100
Glen Mills, PA 19342
(610) 744-2960
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1700471984
1788 WILMINGTON PIKE SUITE 100
Glen Mills, PA 19342
(610) 744-2960
✔ PECOSSame address
Clinical Psychologist
NPI 1104870146
1788 WILMINGTON PIKE SUITE 100
Glen Mills, PA 19342
(610) 744-2960
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1316289945
669 MILITIA HILL DR
West Chester, PA 19382
(484) 905-1207
✔ PECOS3.2 mi
Nurse Practitioner
NPI 1083084040
1098 W BALTIMORE PIKE SUITE 3101
Media, PA 19063
(610) 891-9277
✔ PECOS6.7 mi
Clinical Psychologist
NPI 1962696732
1088 W BALTIMORE PIKE
Media, PA 19063
(610) 744-2962
✔ PECOS✔ Accepts Medicare6.7 mi
Clinical Psychologist
NPI 1518631845
1088 W BALTIMORE PIKE
Media, PA 19063
(610) 744-2960
✔ PECOS✔ Accepts Medicare6.7 mi
Nurse Practitioner
NPI 1184371379
1088 W BALTIMORE PIKE STE 2205
Media, PA 19063
(610) 744-2960
✔ PECOS✔ Accepts Medicare6.7 mi
Neurology
NPI 1730132507
1088 W BALTIMORE PIKE HCII SUITE 2205
Media, PA 19063
(610) 744-2960
✔ PECOS✔ Accepts Medicare6.7 mi
Clinical Psychologist
NPI 1033131339
1489 BALTIMORE PIKE SUITE 250
Springfield, PA 19064
(610) 544-2110
✔ PECOS✔ Accepts Medicare10 mi
Clinical Psychologist
NPI 1023632601
1489 BALTIMORE PIKE
Springfield, PA 19064
(610) 544-2110
✔ PECOS✔ Accepts Medicare10 mi
Nurse Practitioner
NPI 1740726017
600 HAVERFORD RD
Haverford, PA 19041
(610) 525-2601
✔ PECOS✔ Accepts Medicare16 mi
Neurology
NPI 1144635079
945 E HAVERFORD RD STE 202A
Bryn Mawr, PA 19010
(484) 996-3783
✔ PECOS✔ Accepts Medicare16 mi
Nurse Practitioner
NPI 1699066860
1400 BLACKHORSE HILL RD
Coatesville, PA 19320
(610) 384-7711
✔ PECOS16 mi
Nurse Practitioner
NPI 1760699565
3900 WOODLAND AVE
Philadelphia, PA 19104
(158) 535-5900
✔ PECOS19 mi
Nurse Practitioner
NPI 1366957102
3400 SPRUCE ST
Philadelphia, PA 19104
(215) 662-4000
✔ PECOS✔ Accepts Medicare19 mi
Clinical Psychologist
NPI 1366060220
3400 CIVIC CENTER BLVD FL 2
Philadelphia, PA 19104
(215) 662-3606
✔ PECOS✔ Accepts Medicare19 mi
Nurse Practitioner
NPI 1407346893
4 BURTON LN STE 100
Mullica Hill, NJ 08062
(856) 241-3838
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1649745951
10000 SHANNONDELL DRIVE MAIN LINE HEALTHCARE
Audobon, PA 19403
(484) 227-9770
✔ PECOS20 mi
Clinical Psychologist
NPI 1447602982
909 WALNUT ST FL 2
Philadelphia, PA 19107
(215) 955-7952
✔ PECOS✔ Accepts Medicare21 mi
See all 25 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David A Thomas, Ltd's NPI number?

The NPI number for David A Thomas, Ltd is 1356417745. It was assigned to this organization in the NPPES registry on November 28, 2006. The provider is doing business as Center for Neuroscience and neurobehavioral Unit.

Where is David A Thomas, Ltd located?

David A Thomas, Ltd is located at 1788 Wilmington Pike Suite 100, Glen Mills, PA 19342. The listed phone number is (610) 744-2960.

What is David A Thomas, Ltd's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is David A Thomas, Ltd enrolled in Medicare?

Yes. David A Thomas, Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through David A Thomas, Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 25 clinicians in 3 Medicare specialties reassign their Medicare billing to David A Thomas, Ltd. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (14), Clinical Psychologist (9) and Neurology (2). Of these, 3 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for David A Thomas, Ltd was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.