NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730231168
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 405 Frederick RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Damon Bennett, NPPsychiatric/Mental Health Nurse Practitioner1538846027
  2. Rolendo Sabundayo, MDInternal Medicine Physician1881684413
  3. David Samuels, DPMFoot & Ankle Surgery Podiatrist1861465569
  4. Susan Smith, LCSW-C, MSWClinical Social Worker1912118472

Verify Bruce Linthicum Regan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0018610
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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.

  1. Bruce Regan471
  2. Specialty average1,000

Most prescribed

  1. Clonazepam61 claims
  2. Lorazepam48 claims
  3. Escitalopram Oxalate34 claims
  4. Olanzapine29 claims
  5. Bupropion Hcl Sr23 claims
  6. 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Muhammed Ajanah, M.DCatonsville, MD 212281265417224
  2. Zakira Anwar, MDCatonsville, MD 212281285690818
  3. Robert Buchanan, M.D.Catonsville, MD 212281649233727
  4. Anisa Cott, M.D.Catonsville, MD 212281265481790
  5. David Dunnigan, M.D.Catonsville, MD 212281124003066
  6. Beverli Goldberg, MDCatonsville, MD 212281801877964
  7. Frine Gonzales, M.D.Catonsville, MD 212281265401764
  8. 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.