Dr. Richard Gregg Dwyer
M.D., ED.D. | Forensic Psychiatry
2401 E Street Nw L217, Washington
District Of Columbia, 20520-5712
202-663-1901 Maps & DirectionsDr. Richard Gregg Dwyer is a Washington, District Of Columbia based psychiatrist who is specialized in Forensic Psychiatry. Active license number of Dr. Richard Gregg Dwyer is 00016639 for Psychiatry in South Dakota. His current practice location is 2401 E Street Nw L217, Washington. Patients can reach him at 202-663-1901. Dr. Richard Gregg Dwyer is M.D., ED.D. in Forensic Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1023148772.
Dr. Richard Gregg Dwyer focus on interrelationships with civil, criminal and administrative law, evaluation and specialized treatment of individuals involved with the legal system, incarcerated in jails, prisons, and forensic psychiatry hospitals.
Complete Profile:
Dr. Richard Gregg Dwyer speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Richard Gregg Dwyer |
| Specialization: | Forensic Psychiatry |
| Gender: | Male |
| Credentials: | M.D., ED.D. |
| Practice Address: | 2401 E Street Nw L217, Washington,
District Of Columbia, 20520-5712 |
| Phone: | 202-663-1901 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1023148772 |
| NPI Enumeration Date: | 06 Mar, 2007 |
| NPI Last Update On: | 18 Oct, 2025 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Richard Gregg Dwyer are as mentioned below.
| License Number | Specialization | State | Status | |
| 00016639 | Psychiatry | South Dakota | Primary | |
| 00016639 | Forensic Psychiatry | South Dakota | Secondary | |
| 00016639 | Child & Adolescent | South Dakota | Secondary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Richard Gregg Dwyer such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 232162 | Medicaid | South Carolina | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Richard Gregg Dwyer
519 W 22nd St Ste 100,
Sioux Falls, South Dakota |
| Zip: | 57105-1745 |
Patients can reach Dr. Richard Gregg Dwyer at
2401 E Street Nw L217, Washington, District Of Columbia or can
call to book an appointment on 202-663-1901.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.