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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. THOMAS F FITZSIMONS M.D.
NPI 1639133705
Specialist in Allentown, PA

Active since April 14, 2006
1200 S CEDAR CREST BLVD, ALLENTOWN, PA 18103(610) 402-8080 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Thomas F Fitzsimons M.d. NPPES

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

DR. THOMAS F FITZSIMONS M.D. (NPI 1639133705) is an individual specialist in Allentown, Pennsylvania, licensed in Pennsylvania (MD023370E) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1639133705
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. THOMAS F FITZSIMONSCredential: M.D.
Location Address1200 S CEDAR CREST BLVDAllentown, PA 18103-6202
Mailing Address1255 S Cedar Crest Blvd, Suite 3600Allentown, PA 18103-6256 · (610) 770-1606 · Fax (610) 740-0560
Phone(610) 402-8080
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1639133705 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in PA · MD023370E
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1200 S CEDAR CREST BLVD, Allentown, PA 18103
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MUHAMMAD MAJEED MD
Hospitalist
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-5369
AARSHITHA SRINIVAS KATTA DO
Hospitalist
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-5369
CARLY A. SHAFFER DO
Internal Medicine
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (484) 862-3156
NORMA D. WILSON CRNA
Nurse Anesthetist, Certified Registered
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-9099
ASHLEY VOJTEK DO
Student in an Organized Health Care Education/Training Program
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (484) 862-3200
DR. DOUGLAS MCHALE DO
Pediatrics
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-7712
ANNE ALICIA TOKOS MD
Emergency Medicine
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-8000
CHRISTINE XUE
Radiology (Diagnostic Radiology)
1200 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (484) 274-3702

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 Fitzsimons's NPI number?

The NPI number for Thomas Fitzsimons is 1639133705. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Thomas Fitzsimons located?

Thomas Fitzsimons practices at 1200 S Cedar Crest Blvd, Allentown, PA 18103. The listed phone number is (610) 402-8080.

What is Thomas Fitzsimons's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Thomas Fitzsimons was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.