Bruce Linthicum Regan, M.D.
Psychiatry Physician · Baltimore, MD
Bruce Linthicum Regan, M.D. is a psychiatry physician with a practice address in Baltimore, Maryland, and NPI 1730231168, issued on Jan 17, 2007. Check the license (Maryland D0018610, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Bruce Linthicum Regan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D0018610 MD
Self-reported in NPPES; status is on the state search - Practice location
- 405 Frederick RD, Baltimore, MD 21228
- Phone
- (410) 747-6106
- Enumerated
- Jan 17, 2007
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 747-5601
- Medicare enrollment
- Enrolled (PECOS I20040629001599); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1974
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 405 Frederick RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Bruce Linthicum Regan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0018610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average psychiatry physician in 2024
471 Medicare Part D claims for 38 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam61 claims
- Lorazepam48 claims
- Escitalopram Oxalate34 claims
- Olanzapine29 claims
- Bupropion Hcl Sr23 claims
- Fluoxetine Hcl23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bruce Linthicum Regan among 1,451 psychiatry physician records in Maryland
Bruce Linthicum Regan, 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. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 38% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated1974 · median 2000 among the 525 with a school on file
- 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).
497 psychiatry physician records list a practice address in Baltimore
They are 497 of the 35,183 NPPES records with a practice address in Baltimore, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Baltimore → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Muhammed Ajanah, M.DCatonsville, MD 212281265417224
- Zakira Anwar, MDCatonsville, MD 212281285690818
- Robert Buchanan, M.D.Catonsville, MD 212281649233727
- Anisa Cott, M.D.Catonsville, MD 212281265481790
- David Dunnigan, M.D.Catonsville, MD 212281124003066
- Beverli Goldberg, MDCatonsville, MD 212281801877964
- Frine Gonzales, M.D.Catonsville, MD 212281265401764
- Syeda Hafiz, M.D.Baltimore, MD 212281215998711
Common questions
What is Bruce Linthicum Regan, M.D.'s NPI number?
Bruce Linthicum Regan, M.D.'s National Provider Identifier (NPI) is 1730231168, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Bruce Linthicum Regan, M.D. located?
The NPPES record lists a practice address at 405 Frederick RD, Baltimore, MD, 21228. Phone: (410) 747-6106. Providers update this record themselves, so call before visiting.
How can I verify Bruce Linthicum Regan, M.D.'s license?
NPPES lists Maryland license number D0018610, 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.
How much does Bruce Linthicum Regan, M.D. prescribe under Medicare Part D?
In 2024, Bruce Linthicum Regan, M.D. had 471 Medicare Part D claims for 38 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.