THOMAS E KLEIN MD PC
NPI 1619994274
Allergy & Immunology - Allergy in Havertown, PA
About Thomas E Klein Md Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS E KLEIN MD PC (NPI 1619994274) is a healthcare organization registered as an allergy in Havertown, Pennsylvania and active in the NPI registry since July 2006. The organization lists Thomas E Klein, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Thomas E Klein Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Thomas E Klein MD PC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 9 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (10)
Philadelphia, PA 19104
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 Thomas E Klein MD PC's NPI number?
The NPI number for Thomas E Klein MD PC is 1619994274. It was assigned to this organization in the NPPES registry on July 17, 2006.
Where is Thomas E Klein MD PC located?
Thomas E Klein MD PC is located at 400 W Township Line Rd, Havertown, PA 19083. The listed phone number is (610) 789-1313.
What is Thomas E Klein MD PC's specialty?
The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.
Is Thomas E Klein MD PC enrolled in Medicare?
Yes. Thomas E Klein MD PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Thomas E Klein MD PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 3 Medicare specialties reassign their Medicare billing to Thomas E Klein MD PC. 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 Allergy/Immunology (7), Nurse Practitioner (2) and Pediatric Medicine (1). Of these, 4 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 Thomas E Klein MD PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.