NPPES file of Aug 9, 2026

Michael Brennan, LMSW

Clinical Social Worker · Columbia, MD

Michael Brennan, LMSW is a clinical social worker with a practice address in Columbia, Maryland, and NPI 1619803145, issued on Jun 22, 2026. Check the license (Maryland 34762, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1619803145
Name
Michael Brennan
Credential
LMSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
34762 MD
Self-reported in NPPES; status is on the state search
Practice location
10805 Hickory Ridge RD, Columbia, MD 21044
Phone
(410) 387-2763
Enumerated
Jun 22, 2026
Record last updated
Jun 22, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10805 Hickory Ridge RD

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

  1. Gary Kazlow, M.D.,F.C.C.P.Specialist1609840370
  2. Yingjun Li, M.D.Neurology Physician1154540516
  3. Hyung Na, R. PH.Pharmacist1386820488
  4. Paul Na, PHARM D.Pharmacist1144244492

Verify Michael Brennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 34762
    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
Find 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.

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Michael Brennan among 9,007 clinical social worker records in Maryland

Michael Brennan, LMSW is one of 9,007 clinical social worker records with a practice address in Maryland. 11% 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 2026, is newer than 98% of them.

  • NPI issued2026 · 98% of these records are older, 0% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

346 clinical social worker records list a practice address in Columbia

They are 346 of the 6,690 NPPES records with a practice address in Columbia, and 9,007 clinical social worker records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Sarah Blake, LCSW-CColumbia, MD 210441114958915
  2. Pamela Colbert, LCSWCColumbia, MD 210441740277334
  3. Jeffrey Crouch, LCSW-CColumbia, MD 210441326080136
  4. Barbara Dougherty, LCSW-CColumbia, MD 210441548276322
  5. Phillip Eichmiller, LCSW-CColumbia, MD 210441205860624
  6. Janine FeslerColumbia, MD 210441083658504
  7. Ilene Gallner-Toller, LCSW-CColumbia, MD 210441962427963
  8. Annette Harris, LCSW-CColumbia, MD 210441013942804

Common questions

What is Michael Brennan, LMSW's NPI number?

Michael Brennan, LMSW's National Provider Identifier (NPI) is 1619803145, issued on Jun 22, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Michael Brennan, LMSW located?

The NPPES record lists a practice address at 10805 Hickory Ridge RD, Columbia, MD, 21044. Phone: (410) 387-2763. Providers update this record themselves, so call before visiting.

How can I verify Michael Brennan, LMSW's license?

NPPES lists Maryland license number 34762, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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. 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.