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DR. RICHARD GREGG DWYER M.D., ED.D.
NPI 1023148772
Psychiatry & Neurology - Psychiatry in Washington, DC

Active since March 06, 2007
2401 E STREET NW L217, WASHINGTON, DC 20520(202) 663-1901 Get Directions Write a Review

NPPES record last updated: October 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Richard Gregg Dwyer M.d., Ed.d. NPPES

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

DR. RICHARD GREGG DWYER M.D., ED.D. (NPI 1023148772) is an individual psychiatry provider in Washington, District Of Columbia, licensed in South Dakota (00016639) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1023148772
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. RICHARD GREGG DWYERCredential: M.D., ED.D.
Location Address2401 E STREET NW L217Washington, DC 20520-5712
Mailing Address519 W 22nd St Ste 100Sioux Falls, SD 57105-1745
Phone(202) 663-1901
Sole ProprietorNo
Enumeration DateMarch 6, 2007
Last NPPES UpdateOctober 18, 2025
NPPES CertifiedOctober 18, 2025
✔ NPI 1023148772 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in SD · 00016639
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.
Also ListedPsychiatry & Neurology · Forensic PsychiatryTaxonomy 2084F0202X · License 00016639 (SD)
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 00016639 (SD)
2401 E STREET NW L217, Washington, DC 20520
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Other Identifiers 1

Medicaid232162SC

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 Richard Dwyer's NPI number?

The NPI number for Richard Dwyer is 1023148772. It was assigned to this individual provider in the NPPES registry on March 6, 2007.

Where is Richard Dwyer located?

Richard Dwyer practices at 2401 E Street NW L217, Washington, DC 20520. The listed phone number is (202) 663-1901.

What is Richard Dwyer'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 Richard Dwyer was last updated on October 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.