Active NPI 1225203896 Individual Practitioner Male Practitioner

Dr. Adam Barker , MD

Surgery • Marysville, OH

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Adam Barker, MD is a registered Surgery practitioner in Marysville, OH. With approximately 18 years of clinical practice since graduating from Creighton University School Of Medicine in 2008, Dr. Barker provides healthcare services at the registered practice location at 140 COLEMANS XING.

Dr. Barker is affiliated with Union County Physician Corporation and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

140 Colemans Xing

Marysville, OH 430407080

Telephone 9375782650

Medicare Profile & Education

Medical School

Creighton University School Of Medicine

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Marysville, OH

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -4.0 yrs vs City Avg

City Avg: 22.0 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

4 Specialists

Practicing in Marysville, OH (1313 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Barker (18 Years) 18 Yrs

Marysville Specialty Average (22.0 Years) 22.0 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
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	67	58	$117.00	$51.78
99213 Established patient office or other outpatient visit, typically 15 minutes	61	56	$188.00	$82.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	52	$266.00	$116.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$347.00	$157.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$233.00	$103.20
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$940.00	$229.41
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$940.00	$236.29
99231 Follow-up hospital inpatient care per day, typically 15 minutes	28	14	$105.00	$46.43
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	27	22	$772.00	$100.97
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	18	14	$772.00	$100.43
46221 Removal of external hemorrhoids by rubber banding	17	15	$586.00	$259.23
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$275.00	$122.88
46600 Diagnostic examination of the anus using an endoscope	15	15	$244.00	$106.62
45380 Biopsy of large bowel using an endoscope	14	14	$894.00	$149.61
45380 Biopsy of large bowel using an endoscope	14	14	$894.00	$100.17
47562 Removal of gallbladder using an endoscope	11	11	$1408.00	$628.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	101	83	$186.87	$86.38
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$346.22	$155.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	46	41	$116.48	$53.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	39	$264.39	$120.77
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	39	38	$780.31	$112.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$232.00	$107.54
45380 Biopsy of large bowel using an endoscope	36	36	$902.44	$116.18
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	35	35	$947.60	$243.86
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$275.92	$126.47
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	16	$97.11	$48.38
46221 Removal of external hemorrhoids by rubber banding	19	16	$588.63	$265.36
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	12	$154.50	$76.82
46600 Diagnostic examination of the anus using an endoscope	12	12	$247.00	$112.17
43450 Dilation of esophagus	12	11	$387.00	$38.41
45380 Biopsy of large bowel using an endoscope	11	11	$894.00	$160.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	142	98	$186.32	$87.39
45380 Biopsy of large bowel using an endoscope	63	63	$911.19	$110.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	49	$263.97	$123.74
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	56	49	$789.25	$101.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$345.00	$156.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	45	45	$230.62	$108.82
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	41	40	$953.41	$243.93
46221 Removal of external hemorrhoids by rubber banding	23	14	$592.22	$278.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	19	$279.20	$131.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$114.78	$54.40
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	11	$147.17	$69.10
99231 Follow-up hospital inpatient care per day, typically 15 minutes	17	12	$79.94	$37.55
43450 Dilation of esophagus	17	14	$387.59	$38.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	143	90	$172.09	$89.00
45380 Biopsy of large bowel using an endoscope	60	60	$882.90	$141.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$338.23	$164.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	35	$253.08	$126.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$223.00	$108.17
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	30	29	$766.60	$96.44
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	26	26	$920.46	$252.52
45380 Biopsy of large bowel using an endoscope	19	19	$872.26	$122.14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$278.33	$126.51
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	11	11	$922.18	$252.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	141	88	$145.42	$73.51
45380 Biopsy of large bowel using an endoscope	43	42	$818.98	$124.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$322.77	$162.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$210.21	$102.59
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	27	27	$708.26	$94.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	26	$212.00	$106.79
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	20	20	$860.00	$259.93
46221 Removal of external hemorrhoids by rubber banding	19	15	$530.95	$269.05
45380 Biopsy of large bowel using an endoscope	14	14	$823.71	$124.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	148	107	$143.24	$70.99
45380 Biopsy of large bowel using an endoscope	48	48	$800.67	$144.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$210.68	$102.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	25	$210.29	$105.42
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	23	$681.25	$95.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$321.47	$160.16
45380 Biopsy of large bowel using an endoscope	19	19	$798.74	$105.64
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	18	18	$848.83	$260.54
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$271.00	$135.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	199	128	$141.96	$70.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	54	$208.99	$103.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	44	44	$321.00	$159.17
45380 Biopsy of large bowel using an endoscope	43	43	$791.40	$155.81
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$210.03	$103.79
45380 Biopsy of large bowel using an endoscope	34	34	$793.35	$132.15
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	27	27	$667.93	$104.56
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	25	24	$668.56	$94.34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	15	$142.70	$71.31
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$399.55	$199.00
46600 Diagnostic examination of the anus using an endoscope	17	14	$171.88	$84.81
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	17	17	$829.00	$258.31
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$829.00	$258.31
99220 Hospital observation care, typically 70 minutes	11	11	$368.00	$182.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	170	121	$141.00	$69.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	76	67	$208.00	$101.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	71	71	$322.00	$155.55
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	46	22	$139.00	$70.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$211.00	$103.54
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	39	36	$392.21	$197.84
45380 Biopsy of large bowel using an endoscope	29	29	$943.00	$152.75
45380 Biopsy of large bowel using an endoscope	26	26	$943.00	$153.91
46600 Diagnostic examination of the anus using an endoscope	24	21	$170.00	$83.58
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	24	$767.00	$97.82
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	21	20	$767.00	$113.54
11100 Biopsy of single growth of skin and/or tissue	15	14	$204.00	$94.39

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License OH 35123780

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Union County Physician Corporation

140 Colemans Xing, Marysville, OH 430407080

Phone: 9375784300

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Jeffrey Hazey , MD

Surgery

NPI 1164475398

Doctor of Medicine (M.D.)

Margaret Mawhirter , PA-C

Physician Assistant

NPI 1346870128

Physician Assistant (Certified)

Dr. Katherine Kelly , MD

Surgery

NPI 1851656300

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location June 25, 2019

Registered at 140 COLEMANS XING, MARYSVILLE, OH 430407080 (Tel: 9375782650)

📍

Updated Business Mailing Address June 25, 2019

Registered at 140 COLEMANS XING, MARYSVILLE, OH 430407080 (Tel: 9375782650)

✅

NPI Profile Active July 09, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location July 09, 2014

Registered at 388 DAMASCUS RD, MARYSVILLE, OH 430405535 (Tel: 9375782650)

📍

Updated Business Mailing Address July 09, 2014

Registered at 388 DAMASCUS RD, MARYSVILLE, OH 430405535

👤

Provider Name / Credentials Updated July 09, 2014

Recorded as ADAM BARKER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2014

Surgery (License #35123780 in OH)

🟢

Initial NPI Registration & Enumeration April 24, 2008

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: 1225203896

Entity Type:

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

Enumeration Date: April 24, 2008

Last Update: June 25, 2019

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

140 Colemans Xing

Marysville, OH 430407080

Phone: 9375782650

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.