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

DR. PHILIP T. SIEGEL DDS
NPI 1164402004
Dentist - Orthodontics and Dentofacial Orthopedics in Philadelphia, PA

Active since January 18, 2006
6404 ROOSEVELT BLVD, PHILADELPHIA, PA 19149(215) 743-3700(215) 743-3706 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Philip T. Siegel Dds NPPES

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

DR. PHILIP T. SIEGEL DDS (NPI 1164402004) is an individual orthodontics and dentofacial orthopedics provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (DSO17273) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1164402004
Entity TypeIndividualMale
Primary Taxonomy1223X0400X
Provider Legal NameDR. PHILIP T. SIEGELCredential: DDS
Location Address6404 ROOSEVELT BLVDPhiladelphia, PA 19149-2943
Mailing Address6404 Roosevelt BlvdPhiladelphia, PA 19149-2943 · (215) 743-3700 · Fax (215) 743-3706
Fax(215) 743-3706
Sole ProprietorNo
Enumeration DateJanuary 18, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1164402004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · Orthodontics and Dentofacial OrthopedicsDental Providers
Taxonomy Code1223X0400X
License Licensed in PA · DSO17273
Definition
That area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and malformations of their related structures and the adjustment of relationships between and among teeth and facial bones by the application of forces and/or the stimulation and redirection of functional forces within the craniofacial complex. Major responsibilities of orthodontic practice include the diagnosis, prevention, interception and treatment of all forms of malocclusion of the teeth and associated alterations in their surrounding structures; the design, application and control of functional and corrective appliances; and the guidance of the dentition and its supporting structures to attain and maintain optimum occlusal relations in physiologic and esthetic harmony among facial and cranial structures.
6404 ROOSEVELT BLVD, Philadelphia, PA 19149

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.

Dentist (Pediatric Dentistry)
6404 ROOSEVELT BLVD, LOWER LEVEL
PHILADELPHIA, PA 19149
Community/Behavioral Health
6404 ROOSEVELT BLVD
PHILADELPHIA, PA 19149
Chiropractor
6404 ROOSEVELT BLVD, SUITE 1C
PHILADELPHIA, PA 19149
Dentist (General Practice)
6404 ROOSEVELT BLVD, 2ND FLOOR
PHILADELPHIA, PA 19149
Dentist (Pediatric Dentistry)
6404 ROOSEVELT BLVD
PHILADELPHIA, PA 19149
Dentist (Pediatric Dentistry)
6404 ROOSEVELT BLVD
PHILADELPHIA, PA 19149
Dentist (Pediatric Dentistry)
6404 ROOSEVELT BLVD
PHILADELPHIA, PA 19149
Dentist (Pediatric Dentistry)
6404 ROOSEVELT BLVD
PHILADELPHIA, PA 19149

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 Philip Siegel's NPI number?

The NPI number for Philip Siegel is 1164402004. It was assigned to this individual provider in the NPPES registry on January 18, 2006.

Where is Philip Siegel located?

Philip Siegel practices at 6404 Roosevelt Blvd, Philadelphia, PA 19149. The listed phone number is (215) 743-3700.

What is Philip Siegel's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Orthodontics and Dentofacial Orthopedics, with taxonomy code 1223X0400X.

When was this NPI record last updated?

The NPPES record for Philip Siegel 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 27 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.