Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Rosenthal & Siekanowicz, LLC

Organization Specialist · NPI 1225157407

Rosenthal & Siekanowicz, LLC is a Specialist in Silver Spring, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

10313 Georgia Ave Ste 107
Silver Spring, MD 20902-5006
Phone: (301) 681-3100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence D18094 (MD)

Record details

NPI number1225157407
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Claudia Mendoza — Billing Administrator · (301) 681-3100
NPI enumeratedMarch 28, 2007
Last updated in NPPESMay 7, 2009
Mailing address10313 Georgia Avenue, Suite 107, Silver Spring, MD 20902-5006

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