Active NPI 1336132117 Individual Practitioner Male Practitioner

Dr. John M Sullivan , MD

Surgery • Ennis, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Sullivan, MD is a certified Surgery practicing in Ennis, TX. With approximately 29 years of clinical experience since graduating from University Of Michigan Medical School in 1997, Dr. Sullivan delivers high-quality medical care to the local community at 802 W LAMPASAS ST.

Dr. Sullivan accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

802 W Lampasas St

Ennis, TX 751194500

Telephone 9728784700

Fax 9728782238

Associated Practice Facility / Clinic

🏢 General And Vascular Surgery Of Ennis Pa Facility NPI 1679564124

Medicare Profile & Education

Medical School

University Of Michigan Medical School

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Ennis, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +7.0 yrs vs City Avg

City Avg: 22.0 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

2 Specialists

Practicing in Ennis, TX (2342 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

64.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sullivan (29 Years) 29 Yrs

Ennis 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	111	82	$200.54	$121.54
99213 Established patient office or other outpatient visit, typically 15 minutes	77	65	$145.58	$86.60
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	42	42	$432.14	$93.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$350.00	$160.22
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	39	39	$355.13	$211.33
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	30	29	$256.67	$172.85
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	18	18	$626.00	$174.32
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	18	18	$966.67	$230.44
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$626.00	$162.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	85	65	$200.00	$122.44
99213 Established patient office or other outpatient visit, typically 15 minutes	69	57	$145.00	$86.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$270.00	$160.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	43	43	$350.00	$211.31
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	31	29	$350.00	$93.60
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	30	30	$850.00	$228.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	28	$250.00	$172.22
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	21	21	$626.00	$166.46
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	18	18	$650.00	$130.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	11	$100.00	$54.20
45378 Diagnostic exam of large bowel using a flexible endoscope	15	15	$626.00	$169.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	89	68	$140.96	$88.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	75	56	$197.33	$123.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$269.18	$161.99
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	40	40	$350.00	$214.65
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	30	30	$350.00	$90.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	27	23	$242.22	$176.04
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	24	24	$850.00	$232.70
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	17	17	$697.65	$167.23
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	16	16	$650.00	$134.62
45378 Diagnostic exam of large bowel using a flexible endoscope	15	15	$626.00	$156.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$200.45	$109.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	101	73	$125.00	$89.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	64	$180.00	$127.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$250.00	$161.32
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	30	29	$350.00	$79.09
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$350.00	$217.41
45378 Diagnostic exam of large bowel using a flexible endoscope	24	24	$626.00	$158.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	20	$75.00	$55.21
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	23	20	$215.00	$178.04
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$850.00	$214.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$193.67	$109.97
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	15	15	$650.00	$132.20
46946 Tying of multiple internal hemorrhoid groups	14	14	$450.00	$355.71
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	12	12	$800.00	$174.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	129	87	$125.00	$73.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	70	$180.00	$107.48
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$266.00	$162.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	31	$75.00	$42.68
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	39	35	$350.00	$76.72
29580 Strapping, unna boot	29	13	$114.90	$55.91
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	25	25	$325.20	$204.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	19	$215.00	$140.35
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	25	24	$850.00	$227.10
45378 Diagnostic exam of large bowel using a flexible endoscope	20	20	$626.00	$158.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$193.95	$106.00
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	18	17	$650.00	$84.19
46946 Tying of multiple internal hemorrhoid groups	15	15	$450.00	$363.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	176	136	$125.00	$71.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	113	86	$180.00	$103.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	61	61	$349.59	$160.55
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	61	50	$75.00	$43.72
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	51	48	$350.00	$88.66
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	42	42	$650.00	$146.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$192.95	$105.38
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	39	39	$300.00	$202.03
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	36	36	$850.00	$247.82
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	23	$215.00	$134.02
45378 Diagnostic exam of large bowel using a flexible endoscope	22	22	$626.00	$157.59
17000 Destruction of skin growth	21	17	$150.00	$45.27
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	13	11	$30.00	$14.59
46946 Tying of multiple internal hemorrhoid groups	12	12	$450.00	$148.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	219	140	$126.10	$69.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	77	63	$180.00	$103.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	71	52	$75.00	$42.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	66	66	$345.45	$157.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	66	66	$176.52	$102.47
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	59	56	$426.78	$96.98
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	35	35	$650.00	$175.77
45378 Diagnostic exam of large bowel using a flexible endoscope	35	35	$626.00	$169.00
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	30	30	$300.00	$200.19
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$850.00	$249.12
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	23	19	$30.00	$13.51
46946 Tying of multiple internal hemorrhoid groups	16	16	$450.00	$185.16
17000 Destruction of skin growth	16	12	$147.50	$53.50
11100 Biopsy of single growth of skin and/or tissue	12	12	$177.50	$92.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	314	190	$124.71	$69.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	89	55	$75.00	$41.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	72	72	$175.00	$103.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	64	64	$347.19	$153.36
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	58	56	$425.00	$94.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	41	$180.00	$102.80
29580 Strapping, unna boot	40	13	$137.75	$56.21
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	33	33	$650.00	$205.41
45378 Diagnostic exam of large bowel using a flexible endoscope	31	31	$626.00	$175.80
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	26	16	$30.00	$13.92
17000 Destruction of skin growth	17	11	$147.65	$44.61
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	14	13	$692.86	$254.30
11100 Biopsy of single growth of skin and/or tissue	14	13	$180.00	$94.20
46946 Tying of multiple internal hemorrhoid groups	11	11	$450.00	$168.09

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License TX K5708

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.

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

State License TX K5708

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

138206115 (TX)

Commercial Insurance / Payer ID Medicare Ptan

8A7520 (TX)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Kevin Williams , MD

Orthopaedic Surgery

NPI 1548376668

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active January 13, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location January 13, 2010

Registered at 802 W LAMPASAS ST, ENNIS, TX 751194500 (Tel: 9728784700)

📍

Updated Business Mailing Address January 13, 2010

Registered at 802 W LAMPASAS ST, ENNIS, TX 751194500 (Tel: 9728784700)

👤

Provider Name / Credentials Updated January 13, 2010

Recorded as JOHN SULLIVAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 13, 2010

Surgery (License #K5708 in TX)

🟢

Initial NPI Registration & Enumeration August 26, 2005

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: 1336132117

Entity Type:

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

Enumeration Date: August 26, 2005

Last Update: January 13, 2010

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

802 W Lampasas St

Ennis, TX 751194500

Phone: 9728784700

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.