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

MARISSA BLOCK LLC
NPI 1831093228
Clinic/Center - Mental Health (Including Community Mental Health Center) in Towson, MD

Active since October 07, 2026
305 W PENNSYLVANIA AVE, TOWSON, MD 21204(443) 300-6905(443) 233-0231 Get Directions Write a Review

NPPES record added: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marissa Block Llc NPPES

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

MARISSA BLOCK LLC (NPI 1831093228) is a healthcare organization registered as a mental health (including community mental health center) in Towson, Maryland and active in the NPI registry since October 2026. The organization lists Marissa Block Kalkstein, Ceo & Owner, as its authorized official.

NPPES Registry Identity

NPI1831093228
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameMARISSA BLOCK LLC
Location Address305 W PENNSYLVANIA AVETowson, MD 21204-4413
Mailing Address305 W Pennsylvania AveTowson, MD 21204-4413 · (443) 300-6905 · Fax (443) 233-0231
Phone(443) 300-6905
Fax(443) 233-0231
Organization SubpartYes
Authorized OfficialMarissa Block KalksteinCeo & Owner · (443) 300-6905
Enumeration DateOctober 7, 2026
NPPES CertifiedOctober 7, 2026
✔ NPI 1831093228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X
Also ListedPsychologistTaxonomy 103T00000X
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedMarriage & Family TherapistTaxonomy 106H00000X
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X
305 W PENNSYLVANIA AVE, Towson, MD 21204
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL CANNING BOOTH LGPC
Counselor (Mental Health)
305 W PENNSYLVANIA AVE
TOWSON, MD 21204
Baltimore County (443) 300-6905
MRS. ANITA MARIA ELLEBRACHT LCPC, ED.M., MA, MA
Counselor (Mental Health)
305 W PENNSYLVANIA AVE
TOWSON, MD 21204
Baltimore County (646) 355-8646
MARICIELO LEASURE
Counselor (Mental Health)
305 W PENNSYLVANIA AVE
TOWSON, MD 21204
Baltimore County (443) 300-6905
IBRAHIM BUKHARI
Counselor (Professional)
305 W PENNSYLVANIA AVE
TOWSON, MD 21204
Baltimore County (443) 300-6905

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 Marissa Block LLC's NPI number?

The NPI number for Marissa Block LLC is 1831093228. It was assigned to this organization in the NPPES registry on October 7, 2026.

Where is Marissa Block LLC located?

Marissa Block LLC is located at 305 W Pennsylvania Ave, Towson, MD 21204. The listed phone number is (443) 300-6905.

What is Marissa Block LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

When was this NPI record last updated?

The NPPES record for Marissa Block LLC was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.