Mark G. Christopher, M.D.
Gastroenterology Physician · Jackson, OH
Mark G. Christopher, M.D. is a gastroenterology physician with a practice address in Jackson, Ohio, and NPI 1699729913, issued on May 20, 2006. Check the license (Ohio 35-04-9998, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mark G. Christopher
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 35-04-9998 OH
Self-reported in NPPES; status is on the state search - Practice location
- 500 Burlington RD, Jackson, OH 45640
- Phone
- (855) 446-5387
- Enumerated
- May 20, 2006
- Record last updated
- Jan 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (740) 446-5573
- Medicaid ID
- 0084269000 WV
- Medicare enrollment
- Enrolled (PECOS I20070726000498); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 741 in Ohio → Look up another NPI →
Also registered at 500 Burlington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wendy Argabright, BSN, RNRegistered Nurse1275478539
- Kimber Auxier, QMHSAddiction (Substance Use Disorder) Counselor1528718988
- Hannah Bachtel, CNPNurse Practitioner1477105674
- Jamie Boster, MA CF-SLPSpeech-Language Pathologist1972092633
- Herman Crabtree, RPH.Pharmacist1164631206
- Nirmal Dutta, MDSurgery Physician1538224837
Verify Mark G. Christopher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-04-9998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average gastroenterology physician in 2024
811 Medicare Part D claims for 292 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Dicyclomine Hcl126 claims
- Omeprazole126 claims
- Gavilyte-G111 claims
- Famotidine82 claims
- Pantoprazole Sodium65 claims
- Linzess58 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $787.28
50 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Holzer Clinic LLCJackson, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark G. Christopher among 741 gastroenterology physician records in Ohio
Mark G. Christopher, M.D. is one of 741 gastroenterology physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 47% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1977 · median 2003 among the 540 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Ohio
There are 741 gastroenterology physician records in Ohio.
All 741 in Ohio → Every provider in Jackson → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- John Brandenburg, D.OGallipolis, OH 456311912131079
- Juan Oharriz, M.D.Gallipolis, OH 456311295768174
- Jesse Houghton, M.D.Portsmouth, OH 456621457529125
- Charles Wong, M.D.Portsmouth, OH 456621801890314
- Waheed Gul, MDChillicothe, OH 456011205813763
- Thomas Runge, M.D., M.P.H.Chillicothe, OH 456011114219342
- Talal Seoud, MDChillicothe, OH 456011003270075
- Aslam Syed, M.D.Chillicothe, OH 456011487097481
Common questions
What is Mark G. Christopher, M.D.'s NPI number?
Mark G. Christopher, M.D.'s National Provider Identifier (NPI) is 1699729913, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark G. Christopher, M.D. located?
The NPPES record lists a practice address at 500 Burlington RD, Jackson, OH, 45640. Phone: (855) 446-5387. Providers update this record themselves, so call before visiting.
How can I verify Mark G. Christopher, M.D.'s license?
NPPES lists Ohio license number 35-04-9998, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark G. Christopher, M.D. prescribe under Medicare Part D?
In 2024, Mark G. Christopher, M.D. had 811 Medicare Part D claims for 292 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Mark G. Christopher, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.