Darrel A. Regier, M.D.
Psychiatry Physician · Bethesda, MD
Darrel A. Regier, M.D. is a psychiatry physician with a practice address in Bethesda, Maryland, and NPI 1407957327, issued on Sep 25, 2006. Check the license (Maryland D0018243, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Darrel A. Regier
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D0018243 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5101 Edgemoor LN, Bethesda, MD 20814
- Phone
- (301) 907-7507
- Enumerated
- Sep 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 654-2962
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 5101 Edgemoor LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Regier, PHDClinical Psychologist1548933104
Verify Darrel A. Regier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0018243Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Darrel A. Regier among 1,451 psychiatry physician records in Maryland
Darrel A. Regier, M.D. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileNo · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
171 psychiatry physician records list a practice address in Bethesda
They are 171 of the 7,245 NPPES records with a practice address in Bethesda, and 1,451 psychiatry physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,451 in Maryland → Every provider in Bethesda → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Paul Andreason, MDBethesda, MD 208141407957137
- Carlos Astrada, M.D.Bethesda, MD 208141558379958
- Emmanuel Cassimatis, M.D.Bethesda, MD 208141568482172
- Suruchi Chandra, M.D.Bethesda, MD 208141285669283
- Frances Claytor, M.D.Bethesda, MD 208141487682043
- Ellen Cronin, M.D.Bethesda, MD 208141699753475
- Fiona Fox, M.D.Bethesda, MD 208141679684377
- Lauren Hodas, M.D.Bethesda, MD 208141710088281
Common questions
What is Darrel A. Regier, M.D.'s NPI number?
Darrel A. Regier, M.D.'s National Provider Identifier (NPI) is 1407957327, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darrel A. Regier, M.D. located?
The NPPES record lists a practice address at 5101 Edgemoor LN, Bethesda, MD, 20814. Phone: (301) 907-7507. Providers update this record themselves, so call before visiting.
How can I verify Darrel A. Regier, M.D.'s license?
NPPES lists Maryland license number D0018243, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.