NPPES file of Aug 9, 2026

Tidemark Intervention Services in Baltimore, MD

This location of Tidemark Intervention Services bills under NPI 1437818770, an organization record issued on Dec 14, 2021 with the primary taxonomy Counselor. It is one of 3 NPIs registered under this name and one of 3 in Baltimore; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1437818770
Legal name
Tidemark Intervention Services
Entity
Type 2 · organization
Primary taxonomy
Counselor 101Y00000X
Practice location
7822 EASTERN AVE, Baltimore, MD 21224
Phone
443-596-8178
Enumerated
Dec 14, 2021
Record updated
Aug 16, 2022
Authorized official
Owner/ Executive Director (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other 2 Baltimore NPIs

  1. Tidemark Intervention Services7822 EASTERN AVE · issued Jan 5, 20181720595242
  2. Tidemark Intervention Services7822 EASTERN AVE · issued Dec 15, 20221174235691

6 clinicians CMS lists with Tidemark Intervention Services in Baltimore

  1. Syeira Anthony, LCSW-CClinical Social Worker1093397945
  2. Nicole Collison, LCSW-CClinical Social Worker1447860143
  3. Matthew Dean, CRNP-PMHPsychiatric/Mental Health Nurse Practitioner1487418935
  4. Samantha Lane, LCSW, LMSWClinical Social Worker1578347621
  5. Cara Nelsen, LCSWClinical Social Worker1386849743
  6. Rosemary Okpulor, CRNPPsychiatric/Mental Health Nurse Practitioner1649763053

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 3 Tidemark Intervention Services NPIs

Every location registered under this name, in 1 city.

See every location

Checking an organization

  1. Confirm the business with the Maryland secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Which Baltimore NPI should I use?

Ask the office which NPI it bills under; all 3 Baltimore NPIs are registered under the same name.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.