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WILLIAM MARKS
NPI 1962363408
Social Worker in Baltimore, MD

Active since November 24, 2025
6999 REISTERSTOWN RD STE 3, BALTIMORE, MD 21215(667) 600-3210 Get Directions Write a Review

NPPES record last updated: November 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William Marks NPPES

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

WILLIAM MARKS (NPI 1962363408) is an individual social worker in Baltimore, Maryland and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1962363408
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameWILLIAM MARKS
Location Address6999 REISTERSTOWN RD STE 3Baltimore, MD 21215-1492
Mailing Address6999 Reisterstown Rd Ste 3Baltimore, MD 21215-1492 · (347) 971-9136
Phone(667) 600-3210
Sole ProprietorNo
Enumeration DateNovember 24, 2025
Last NPPES UpdateNovember 25, 2025
NPPES CertifiedNovember 24, 2025
✔ NPI 1962363408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
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.
6999 REISTERSTOWN RD STE 3, Baltimore, MD 21215
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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 William Marks's NPI number?

The NPI number for William Marks is 1962363408. It was assigned to this individual provider in the NPPES registry on November 24, 2025.

Where is William Marks located?

William Marks practices at 6999 Reisterstown Rd Ste 3, Baltimore, MD 21215. The listed phone number is (667) 600-3210.

What is William Marks'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 William Marks was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.