Rachel Markus, LCSW-C
Clinical Social Worker · Hampstead, MD
At a glance
4500 Black Rock Rd Ste 103, Hampstead, MD 21074-2649
NPPES record updated Oct 13, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4500 Black Rock Rd Ste 103Hampstead, MD 21074-2649
Additional reported practice locations
24 N Court St Ste BWestminster, MD 211575152
Phone: 4437502321 4231 Postal Ct Ste 201
Pasadena, MD 211224474
Phone: 4435483733
Fax: 4103601675 2528 Mountain Rd Ste 102-204
Pasadena, MD 211227203
Phone: 4435483733
Fax: 4103601675
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2012
- CMS specialties
- Clinical Social Worker
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Clinical Social Worker
- Taxonomy code
- 1041C0700X
- Enumeration date
- Mar 30, 2015
- Record updated
- Oct 13, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- LCSW-C
Reported taxonomies and licenses
1041C0700X · Primary
License reported: 18017 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4500 Black Rock Rd Ste 103Hampstead, MD 21074-2649
- Phone
- (443) 750-2321
Mailing address
5626 MINERAL HILL RDSYKESVILLE, MD 217846855
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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