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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARVIN R THOMASON LMSW
NPI 1912814435
Social Worker in Baltimore, MD

Active since August 27, 2026
1111 N PARRISH ST, BALTIMORE, MD 21217(443) 854-8295 Get Directions Write a Review

NPPES record added: August 27, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Marvin R Thomason Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARVIN R THOMASON LMSW (NPI 1912814435) is an individual social worker in Baltimore, Maryland, licensed in Maryland (35263) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1912814435
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMARVIN R THOMASONCredential: LMSW
Location Address1111 N PARRISH STBaltimore, MD 21217-2227
Mailing Address608 Aademy AvenueOwings Mills, MD 21117 · (443) 854-8295
Phone(443) 854-8295
Sole ProprietorYes
Enumeration DateAugust 27, 2026
NPPES CertifiedAugust 25, 2026
✔ NPI 1912814435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MD · 35263
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1111 N PARRISH ST, Baltimore, MD 21217
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marvin Thomason's NPI number?

The NPI number for Marvin Thomason is 1912814435. It was assigned to this individual provider in the NPPES registry on August 27, 2026.

Where is Marvin Thomason located?

Marvin Thomason practices at 1111 N Parrish St, Baltimore, MD 21217. The listed phone number is (443) 854-8295.

What is Marvin Thomason's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Marvin Thomason was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.