Active NPI 1699729913 Individual Practitioner Male Practitioner

Dr. Mark G. Christopher , MD

Internal Medicine - Gastroenterology • Jackson, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Christopher, MD is a certified Internal Medicine - Gastroenterology practicing in Jackson, OH. With approximately 49 years of clinical experience since completing medical education in 1977, Dr. Christopher delivers high-quality medical care to the local community at 500 BURLINGTON RD.

Dr. Christopher is affiliated with Holzer Clinic Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

500 Burlington Rd

Jackson, OH 456409360

Telephone 8554465387

Fax 7404465573

Associated Practice Facility / Clinic

🏢 Holzer Medical Center Jackson Facility NPI 1669410940

Medicare Profile & Education

Medical School

Other

Graduation Year

1977

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Gastroenterology in Jackson, OH

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

49 Yrs Matches City Avg

City Avg: 49.0 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

1 Specialists

Practicing in Jackson, OH (766 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

93.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Christopher (49 Years) 49 Yrs

Jackson Specialty Average (49.0 Years) 49.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	142	98	$88.00	$63.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	128	109	$135.00	$93.03
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	78	76	$3908.00	$237.26
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	69	67	$2357.00	$52.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$180.00	$78.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$315.00	$127.82
45380 Biopsy of large bowel using an endoscope	20	20	$3043.00	$64.54
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare	15	15	$3045.00	$142.22
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	14	14	$2201.00	$91.70
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$2896.00	$167.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	147	104	$84.00	$64.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	79	$129.00	$95.66
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	84	81	$3722.00	$247.24
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	52	52	$2245.00	$46.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$174.91	$81.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$300.00	$130.90
45380 Biopsy of large bowel using an endoscope	19	19	$2899.00	$72.34
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare	16	16	$2900.00	$132.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	145	103	$81.56	$66.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	111	$122.87	$97.28
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	95	95	$3545.00	$243.09
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	85	85	$2139.00	$59.10
45380 Biopsy of large bowel using an endoscope	44	44	$2761.00	$51.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$162.95	$83.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$291.55	$134.78
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	20	20	$1998.00	$110.09
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare	17	17	$2762.00	$108.92
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$2514.00	$148.08
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$2514.00	$183.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	208	137	$77.39	$66.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	122	110	$116.00	$98.83
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	108	106	$2038.00	$54.27
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	102	102	$3377.00	$249.44
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare	33	33	$2631.00	$142.04
45380 Biopsy of large bowel using an endoscope	29	29	$2630.00	$43.85
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$135.00	$83.16
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$194.00	$135.32
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	23	23	$1903.00	$102.70
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$2038.00	$60.53
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$3377.00	$253.23
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$2395.00	$176.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	297	185	$75.04	$51.70
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	112	111	$3217.00	$261.20
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	112	109	$1941.00	$59.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	96	96	$129.00	$76.16
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare	27	27	$2506.00	$138.12
45380 Biopsy of large bowel using an endoscope	18	18	$2505.00	$88.88
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	17	15	$1813.00	$116.54
99441 Telephone medical discussion with physician, 5-10 minutes	16	16	$67.00	$25.89
99442 Telephone medical discussion with physician, 11-20 minutes	15	14	$109.00	$51.47
45378 Diagnostic exam of large bowel using a flexible endoscope	15	15	$2281.00	$136.78
99443 Telephone medical discussion with physician, 21-30 minutes	11	11	$138.00	$79.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	172	133	$71.00	$50.64
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	164	163	$3064.00	$259.90
99213 Established patient office or other outpatient visit, typically 15 minutes	155	119	$76.18	$49.87
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	154	153	$1849.00	$58.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	79	79	$123.00	$75.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	56	56	$129.70	$75.56
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare	44	43	$2387.00	$157.82
45378 Diagnostic exam of large bowel using a flexible endoscope	32	32	$2173.00	$161.46
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	30	$58.00	$25.33
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	25	25	$1727.00	$106.37
45380 Biopsy of large bowel using an endoscope	22	22	$2386.00	$93.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$61.47	$23.85
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	14	14	$2271.00	$162.60
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$2173.00	$172.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	182	175	$1761.00	$61.92
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	167	164	$2919.00	$254.46
99213 Established patient office or other outpatient visit, typically 15 minutes	165	132	$68.00	$50.29
99213 Established patient office or other outpatient visit, typically 15 minutes	137	115	$73.11	$49.19
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare	48	45	$2274.00	$149.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$120.70	$75.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$127.65	$73.93
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	35	$56.00	$25.06
45380 Biopsy of large bowel using an endoscope	30	30	$2273.00	$147.12
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$90.00	$49.58
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	23	23	$2070.00	$182.58
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	22	21	$1645.00	$122.84
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	18	18	$2163.00	$163.55
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	15	$59.50	$23.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$101.00	$77.14
45378 Diagnostic exam of large bowel using a flexible endoscope	14	13	$2070.00	$167.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	263	183	$65.00	$49.77
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	248	241	$1677.00	$59.19
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	223	213	$2780.00	$255.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	145	128	$53.00	$24.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	86	86	$112.00	$75.04
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare	60	59	$2166.00	$148.62
45380 Biopsy of large bowel using an endoscope	60	59	$2165.00	$91.82
99202 New patient office or other outpatient visit, typically 20 minutes	44	44	$87.95	$49.39
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope	37	36	$1567.00	$117.47
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	33	33	$1971.00	$168.80
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	32	32	$2060.00	$171.83
45378 Diagnostic exam of large bowel using a flexible endoscope	29	29	$1971.00	$153.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	23	$96.00	$76.67

Medical Specialties & State Licenses

CMS Verified: 2021-01-20

Internal Medicine - Gastroenterology Primary Specialty

NUCC Taxonomy Code: 207RG0100X

State License OH 35-04-9998

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

0084269000 (WV)

Commercial Insurance / Payer ID Mountain State Bcbs

001714038

Commercial Insurance / Payer ID Molina Medicaid

0554672 (OH)

Commercial Insurance / Payer ID Anthem Bcbs

000000007341

Commercial Insurance / Payer ID Unison Medicaid

000000185259 (OH)

Commercial Insurance / Payer ID Rr Medicare

100004591

Commercial Insurance / Payer ID Npi

1699729913

Commercial Insurance / Payer ID Caresource Medicaid

310917085117 (OH)

Hospital & Practice Group Affiliations

Holzer Clinic Llc

280 Pattonsville Rd, Jackson, OH 456409452

Phone: 7403958805

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

5 Associated Practitioners

Dr. Susan Kerns , DO

Surgery

NPI 1184085409

Doctor of Osteopathic Medicine (D.O.)

Dr. Rodney Stout , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1184668253

Doctor of Medicine (M.D.)

Neal Collins , PA-C

Physician Assistant - Medical

NPI 1457370363

Physician Assistant (Certified)

Dr. Staci Smith , DO

Internal Medicine - Nephrology

NPI 1558576454

Doctor of Osteopathic Medicine (D.O.)

Dr. Amanda Mcconnell Mack , DO

Psychiatry & Neurology - Neurology

NPI 1740424076

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location October 23, 2019

Registered at 500 BURLINGTON RD, JACKSON, OH 456409360 (Tel: 8554465387)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 23, 2019

Internal Medicine (License #35-04-9998 in OH)

✅

NPI Profile Active August 07, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location August 07, 2014

Registered at 90 JACKSON PIKE, GALLIPOLIS, OH 456311560 (Tel: 7404465839)

📍

Updated Business Mailing Address August 07, 2014

Registered at 90 JACKSON PIKE, GALLIPOLIS, OH 456311560 (Tel: 7404411934)

👤

Provider Name / Credentials Updated August 07, 2014

Recorded as MARK CHRISTOPHER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 07, 2014

Internal Medicine (License #35-04-9998 in OH)

🟢

Initial NPI Registration & Enumeration May 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1699729913

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 20, 2006

Last Update: January 20, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

90 Jackson Pike

Gallipolis, OH 456311560

Phone: 7404411934

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.