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

Dr. Katherine Marie Mercy, MD

Individual provider MOHS-Micrographic Surgery Physician · NPI 1134385255

Dr. Katherine Marie Mercy, MD is a Micrographic Dermatologic Surgery (Mds) in Naperville, Illinois. Graduated from Georgetown University School of Medicine in 2008, 18 years ago. Practices with Forefront Dermatology SC, a 645-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Virginia.

Years since qualifying
18
Trained at
Georgetown University School of Medicine
Licensed in
IL, VA
In the registry since
2008
Specialties on file
4
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

1520 Bond St
Naperville, IL 60563-2358
Phone: (630) 357-7536
Fax: (630) 904-0413
Show map & directions

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

Additional practice locations (2)

  • 3253 S Harlem Ave Ste 1a, Berwyn, IL 60402-3073 — (708) 788-3885
  • 2051 Plainfield Rd, Crest Hill, IL 60403-1865 — (815) 741-4343

Specialties & licences

MOHS-Micrographic Surgery Physician (primary) Taxonomy 207ND0101X · Licence 036.127624 (IL)
Dermatology Physician Taxonomy 207N00000X · Licence 036.127624 (IL)
Dermatology Physician Taxonomy 207N00000X · Licence 0101262264 (VA)
MOHS-Micrographic Surgery Physician Taxonomy 207ND0101X · Licence 0101262264 (VA)

Record details

NPI number1134385255
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2008
Last updated in NPPESJuly 25, 2022
Certification dateJuly 25, 2022

Medicare enrollment

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

Medicare specialtyMICROGRAPHIC DERMATOLOGIC SURGERY (MDS)
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Forefront Dermatology Sc — 645 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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