Marlene Williams
Clinical Social Worker · Baltimore, MD
Marlene Williams is a clinical social worker with a practice address in Baltimore, Maryland, and NPI 1427774041, issued on Oct 14, 2022. Check the license (Maryland 26719, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marlene Williams
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 26719 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2902 E Federal St, Baltimore, MD 21213
- Phone
- (443) 253-0174
- Enumerated
- Oct 14, 2022
- Record last updated
- Feb 15, 2023
- Medicare enrollment
- Enrolled (PECOS I20250616001572); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 9,007 in Maryland → Look up another NPI →
Verify Marlene Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 26719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Way Station IncColumbia, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marlene Williams among 9,007 clinical social worker records in Maryland
Marlene Williams 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. Its NPI, issued in 2022, is newer than 80% of them.
- NPI issued2022 · 80% of these records are older, 15% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2019 · median 2006 among the 1,685 with a school on file
- Record last updated2023 · 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).
1,917 clinical social worker records list a practice address in Baltimore
They are 1,917 of the 35,183 NPPES records with a practice address in Baltimore, and 9,007 clinical social worker records in Maryland.
All 9,007 in Maryland → Every provider in Baltimore → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Thea Brooks, LCSW-CBaltimore, MD 212131922312941
- Danette Colvin, MSW, LCSW-CBaltimore, MD 212131457678799
- Nina Costa, LCSW-CBaltimore, MD 212131457715898
- Anthony Estreet, LCSW-CBaltimore, MD 212131538446786
- Lori Firestone, LCSW-CBaltimore, MD 212131679714786
- Rebecca Helem, MSW, LICSW, LCSW-CBaltimore, MD 212131700289535
- Amanda Hines, LCSW-CBaltimore, MD 212131306230081
- Janelle Kellum, LCSWCBaltimore, MD 212131013263086
Common questions
What is Marlene Williams's NPI number?
Marlene Williams's National Provider Identifier (NPI) is 1427774041, issued on Oct 14, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marlene Williams located?
The NPPES record lists a practice address at 2902 E Federal St, Baltimore, MD, 21213. Phone: (443) 253-0174. Providers update this record themselves, so call before visiting.
How can I verify Marlene Williams's license?
NPPES lists Maryland license number 26719, 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. 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.