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

Individual provider Obstetrics & Gynecology Physician · NPI 1023420486

Dr. Marielle Sophia Gross, MD is an Obstetrics/Gynecology in Chambersburg, Pennsylvania. Graduated from University of Florida College of Medicine in 2014, 12 years ago. Practices with Wellspan Medical Group, a 2,342-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Maryland and Pennsylvania.

Years since qualifying
12
Trained at
University of Florida College of Medicine
Licensed in
MD, PA
In the registry since
2014
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

12 St Paul Dr
Chambersburg, PA 17201-1035
Phone: (717) 217-6882
Fax: (717) 255-0157
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 600 N Wolfe St, Baltimore, MD 21287-0005 — (813) 541-6103
  • 120 N 7th St Ste 200, Chambersburg, PA 17201-1795 — (717) 217-6882

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence MD470686 (PA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence FG7823378 (PA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 4404 (MD)

Record details

NPI number1023420486
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 20, 2014
Last updated in NPPESMarch 18, 2026
Certification dateMarch 18, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF FLORIDA COLLEGE OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Wellspan Medical Group — 2342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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