STEPHEN GEORGE UNDERWOOD M.D.
NPI 1831361187
Psychiatry & Neurology - Psychiatry in Radnor, PA

Q: What is Stephen Underwood's NPI number?

The NPI number for Stephen Underwood is 1831361187. It was assigned to this individual provider in the NPPES registry on March 27, 2008.

Q: What is Stephen Underwood's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Underwood was last updated on March 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 March 27, 2008

623 GLENMARY RD, RADNOR, PA 19087(610) 989-1600(717) 705-8179 Get Directions Write a Review

NPPES record last updated: March 27, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Stephen George Underwood M.d. NPPES

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

STEPHEN GEORGE UNDERWOOD M.D. (NPI 1831361187) is an individual psychiatry provider in Radnor, Pennsylvania, licensed in Pennsylvania (MD041654L) and active in the NPI registry since March 2008.

NPPES Registry Identity

NPI1831361187

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameSTEPHEN GEORGE UNDERWOODCredential: M.D.

Location Address623 GLENMARY RDRadnor, PA 19087-4433

Mailing Address623 Glenmary RdRadnor, PA 19087-4433 · (610) 989-1600 · Fax (717) 705-8179

Phone(610) 989-1600

Fax(717) 705-8179

Sole ProprietorYes

Enumeration DateMarch 27, 2008

✔ NPI 1831361187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in PA · MD041654L

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

623 GLENMARY RD, Radnor, PA 19087

Open in Google Maps ↗

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 Stephen Underwood's NPI number?

The NPI number for Stephen Underwood is 1831361187. It was assigned to this individual provider in the NPPES registry on March 27, 2008.

Where is Stephen Underwood located?

Stephen Underwood practices at 623 Glenmary Rd, Radnor, PA 19087. The listed phone number is (610) 989-1600.

What is Stephen Underwood's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Stephen Underwood was last updated on March 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.