DR. JOHN RUFE SIEGLER PSY.D.
NPI 1881931962
Psychologist - Clinical in Lansdale, PA

Q: What is John Siegler's NPI number?

The NPI number for John Siegler is 1881931962. It was assigned to this individual provider in the NPPES registry on January 10, 2013.

Q: What is John Siegler's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for John Siegler was last updated on January 10, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since January 10, 2013

622 W MOUNT VERNON ST, LANSDALE, PA 19446(215) 855-7859 Get Directions Write a Review

NPPES record last updated: January 10, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. John Rufe Siegler Psy.d. NPPES

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

DR. JOHN RUFE SIEGLER PSY.D. (NPI 1881931962) is an individual clinical provider in Lansdale, Pennsylvania, licensed in Pennsylvania (PA016154) and active in the NPI registry since January 2013.

NPPES Registry Identity

NPI1881931962

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. JOHN RUFE SIEGLERCredential: PSY.D.

Location Address622 W MOUNT VERNON STLansdale, PA 19446-3404

Mailing Address622 W Mount Vernon StLansdale, PA 19446-3404 · (215) 855-7859

Phone(215) 855-7859

Sole ProprietorYes

Enumeration DateJanuary 10, 2013

✔ NPI 1881931962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in PA · PA016154

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

622 W MOUNT VERNON ST, Lansdale, PA 19446

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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 John Siegler's NPI number?

The NPI number for John Siegler is 1881931962. It was assigned to this individual provider in the NPPES registry on January 10, 2013.

Where is John Siegler located?

John Siegler practices at 622 W Mount Vernon St, Lansdale, PA 19446. The listed phone number is (215) 855-7859.

What is John Siegler's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for John Siegler was last updated on January 10, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.