Maria Johnsen, MSW, LCSW-C
Social Worker · Olney, MD
Maria Johnsen, MSW, LCSW-C is a social worker with a practice address in Olney, Maryland, and NPI 1750910063, issued on Apr 7, 2020. Check the license (Maryland 24920, 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.
- Name
- Maria Johnsen
- Credential
- MSW, LCSW-C
- Primary taxonomy
- Social Worker 104100000X
- License number
- 24920 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3510 Homeland Ter, Olney, MD 20832
- Phone
- (301) 221-2124
- Enumerated
- Apr 7, 2020
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest social worker records → All 4,073 in Maryland → Look up another NPI →
Also registered at 3510 Homeland Ter
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Johnsen, LMSWClinical Social Worker1194314815
Verify Maria Johnsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 24920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Maria Johnsen among 4,073 social worker records in Maryland
Maria Johnsen, MSW, LCSW-C is one of 4,073 social worker records with a practice address in Maryland. 6% 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 2020, is newer than 39% of them.
- NPI issued2020 · 39% of these records are older, 55% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2021 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 social worker records list a practice address in Olney
They are 27 of the 742 NPPES records with a practice address in Olney, and 4,073 social worker records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,073 in Maryland → Every provider in Olney → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Eleni AlexiouOlney, MD 208321225507700
- Mary CrockerOlney, MD 208321861747032
- Danielle Day, LMSWOlney, MD 208321750855052
- Christina Fox, LGSWOlney, MD 208321659854685
- Paula Glascoe, LMSWOlney, MD 208321194355628
- Karen Hansen, LCSW-COlney, MD 208321003816661
- Ashley Howe, LCSW-COlney, MD 208321679087555
- Miriam Kahn, LCSW-COlney, MD 208321154987501
Common questions
What is Maria Johnsen, MSW, LCSW-C's NPI number?
Maria Johnsen, MSW, LCSW-C's National Provider Identifier (NPI) is 1750910063, issued on Apr 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Maria Johnsen, MSW, LCSW-C located?
The NPPES record lists a practice address at 3510 Homeland Ter, Olney, MD, 20832. Phone: (301) 221-2124. Providers update this record themselves, so call before visiting.
How can I verify Maria Johnsen, MSW, LCSW-C's license?
NPPES lists Maryland license number 24920, 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.