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

Mark G. Christopher, MD

Individual provider Gastroenterology Physician · NPI 1699729913

Mark G. Christopher, MD is a Gastroenterology in Jackson, Ohio. Qualified in 1977, 49 years ago. Practices with Holzer Clinic LLC, a 264-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
49
Licensed in
OH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

500 Burlington Rd
Jackson, OH 45640-9360
Phone: (855) 446-5387
Fax: (740) 446-5573
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 35-04-9998 (OH)

Record details

NPI number1699729913
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2006
Last updated in NPPESJanuary 20, 2021
Certification dateJanuary 20, 2021
Mailing address90 Jackson Pike, Gallipolis, OH 45631-1560

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Group practice Holzer Clinic Llc — 264 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount