Mary Drennan, LCSW-C
Clinical Social Worker · Randallstown, MD
Mary Drennan, LCSW-C is a clinical social worker with a practice address in Randallstown, Maryland, and NPI 1174756761, issued on Aug 28, 2009. Check the license (Maryland 09078, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Drennan
- Credential
- LCSW-C
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 09078 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3510 Brenbrook Dr, Randallstown, MD 21133
- Phone
- (410) 837-2050
- Enumerated
- Aug 28, 2009
- Entity
- Type 1 · individual
Also registered at 3510 Brenbrook Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Ajogun, CRNPFamily Nurse Practitioner1902360118
- Brian Borntrager, NPFamily Nurse Practitioner1689455545
- Kisha Carrington, MSN, APRN, BC-FNPFamily Nurse Practitioner1689693335
- Ihuoma Emenuga, MD/MPHInternal Medicine Physician1265727093
- Allison Haley, MDPediatrics Physician1750898656
- Kenetra Hix, M.D.Family Medicine Physician1972917979
Verify Mary Drennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 09078Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- Sailor Health Medical PAOwings Mills, MD
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
40 clinical social worker records list a Randallstown practice address
They are 40 of the 557 NPPES records with a Randallstown practice address, and 8,596 clinical social worker records in Maryland.
All 40 in Randallstown → All 8,596 in Maryland → Every provider in Randallstown →
Other clinical social worker records in Maryland
- Adrienne Aaron, MSW, LICSWLandover, MD1891195012
- Laguy AbarakaFrederick, MD1467380378
- Fadi Abdallah, LCSW-CColumbia, MD1881620573
- Eleanor Abdel-Salam, LCSW-CCatonsville, MD1487300380
- Safiyya Abdul BariLanham, MD1588285423
- Shabana Abdullah, LCSW-CClarksville, MD1538937446
- Jane Abernathy, LCSWCBaltimore, MD1972587343
- Karla Abney, LGSW, LMSWRockville, MD1215012745
- Shameka Abney, MSW, LCSWFort Washington, MD1144343229
- Perpetua AbongnelahGreenbelt, MD1023371812
Common questions
What is Mary Drennan, LCSW-C's NPI number?
Mary Drennan, LCSW-C's National Provider Identifier (NPI) is 1174756761, issued on Aug 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mary Drennan, LCSW-C located?
The NPPES record lists a practice address at 3510 Brenbrook Dr, Randallstown, MD, 21133. Phone: (410) 837-2050. Providers update this record themselves, so call before visiting.
How can I verify Mary Drennan, LCSW-C's license?
NPPES lists Maryland license number 09078, 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.