Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Victor John Marks, MD

Individual provider Dermatology Physician · NPI 1083889885

Dr. Victor John Marks, MD practises Dermatology in Danville, Pennsylvania. Graduated from University of Virginia School of Medicine in 2005, 21 years ago. Practices with Geisinger Clinic, a 3,413-clinician group and accepts Medicare assignment. Licensed in North Carolina and Pennsylvania.

Years since qualifying
21
Trained at
University of Virginia School of Medicine
Licensed in
NC, PA
In the registry since
2008
Specialties on file
2
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

16 Woodbine Ln
Danville, PA 17822-5206
Phone: (570) 271-8050
Fax: (570) 271-5940
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence MD439749 (PA)
Dermatology Physician Taxonomy 207N00000X · Licence 127797 (NC)

Record details

NPI number1083889885
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 23, 2008
Last updated in NPPESAugust 6, 2020
Certification dateAugust 6, 2020

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Skin biopsy 169 times · 83rd percentile
Removal of skin lesions 253 times · 81st percentile
Removal or shaving of skin growth 31 times · 75th percentile

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients681
Services billed 1,378 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Geisinger Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3413 clinicians in the practice; 12 are shown here.

Other providers in Danville