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

Individual provider Physician Assistant · NPI 1871082453

Caitlin Siewertsen, PA-C is a Physician Assistant in Baltimore, Maryland. Qualified in 2017, 9 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
9
Licensed in
MD
In the registry since
2018
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

9000 Franklin Square Dr
Baltimore, MD 21237-3901
Phone: (443) 777-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence C0006815 (MD)

Record details

NPI number1871082453
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMay 9, 2018
Last updated in NPPESMay 9, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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