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

Chelsea Erin Marks, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1023371754

Chelsea Erin Marks, DO is an Obstetrics/Gynecology in Hanover, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 2012, 14 years ago. Practices with Berks Community Health Center, a 16-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
14
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2012
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

20 N St
Hanover, PA 17331-2275
Phone: (717) 637-7755
Fax: (717) 637-7142
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 450 S Washington St, Gettysburg, PA 17325-2500 — (717) 337-4487
  • 20 Expedition Trl Ste 203, Gettysburg, PA 17325-8599 — (717) 334-4455

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence OS018285 (PA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1023371754
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 18, 2012
Last updated in NPPESDecember 31, 2025
Certification dateDecember 31, 2025

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2012 (14 years in practice)
Group practice Berks Community Health Center — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Hanover