Active NPI 1427129436 Individual Practitioner Male Practitioner

Dr. Warren G Butt , MD

Specialist • Newark, DE

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Warren Butt, MD is a certified Specialist practicing in Newark, DE. With approximately 42 years of clinical experience since graduating from Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University in 1984, Dr. Butt delivers high-quality medical care to the local community at 4745 OGLETOWN STANTON RD.

Dr. Butt maintains professional affiliations with Delaware Center For Digestive Care Llc, Christiana Care Health Services Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, vedolizumab, intravenous, 1 mg, 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

4745 Ogletown Stanton Rd

Newark, DE 197132067

Telephone 3027385300

Associated Practice Facility / Clinic

🏢 Gastroenterology Associates, Pa Facility NPI 1902804982

Medicare Profile & Education

Medical School

Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University

Graduation Year

1984

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Newark, DE

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +6.0 yrs vs City Avg

City Avg: 36.0 Yrs

State Avg: 33.9 Yrs

Regional Practice Density

44 Specialists

Practicing in Newark, DE (148 Statewide)

Telehealth Adoption Rate

6.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

70.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Butt (42 Years) 42 Yrs

Newark Specialty Average (36.0 Years) 36.0 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
J3380 Injection, vedolizumab, intravenous, 1 mg	6,000	13	$60.00	$21.83
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	206	205	$924.83	$244.06
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	144	139	$359.56	$96.06
45380 Biopsy of large bowel using an endoscope	115	114	$504.92	$95.74
99213 Established patient office or other outpatient visit, typically 15 minutes	86	81	$230.00	$88.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	64	$325.00	$125.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	60	59	$435.02	$126.91
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	54	51	$460.00	$164.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$285.00	$109.24
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	23	$728.67	$252.86
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	20	13	$325.00	$60.85
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	19	19	$465.00	$172.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$425.00	$163.98
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$326.38	$106.48
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$469.05	$160.75
45381 Injection beneath lining of large bowel using a flexible endoscope	12	12	$500.00	$14.99
43259 Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscope	11	11	$647.70	$217.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3380 Injection, vedolizumab, intravenous, 1 mg	5,100	14	$41.23	$21.97
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	169	167	$1006.39	$248.79
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	155	149	$566.61	$91.98
99213 Established patient office or other outpatient visit, typically 15 minutes	144	134	$155.72	$88.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	106	98	$206.30	$126.12
45380 Biopsy of large bowel using an endoscope	89	88	$833.99	$111.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	77	77	$421.91	$128.96
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	49	48	$724.52	$176.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$311.80	$165.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$233.99	$111.77
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	20	20	$505.20	$99.39
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	17	17	$692.27	$253.69
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	17	14	$114.21	$64.04
45378 Diagnostic exam of large bowel using a flexible endoscope	17	17	$689.84	$168.43
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$732.30	$173.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	195	191	$1015.06	$251.66
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	171	166	$610.89	$92.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	168	140	$188.24	$126.86
99213 Established patient office or other outpatient visit, typically 15 minutes	156	142	$125.14	$89.97
45380 Biopsy of large bowel using an endoscope	90	90	$903.01	$112.88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	90	89	$362.76	$136.77
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	53	53	$754.58	$178.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$287.54	$168.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$186.62	$113.68
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	25	24	$494.06	$102.07
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	23	21	$673.94	$268.83
45378 Diagnostic exam of large bowel using a flexible endoscope	22	19	$682.79	$161.54
43249 Balloon dilation of esophagus using an endoscope	16	12	$399.20	$138.07
43259 Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscope	13	13	$596.57	$221.40
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$754.58	$185.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	251	222	$125.14	$92.37
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	221	219	$1010.27	$256.71
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	200	193	$570.34	$92.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	141	122	$188.24	$130.04
45380 Biopsy of large bowel using an endoscope	116	116	$902.39	$109.26
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	65	65	$381.79	$138.49
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	52	51	$754.58	$188.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	49	49	$186.62	$115.23
99221 Initial hospital inpatient care per day, typically 30 minutes	38	38	$276.96	$100.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$287.54	$171.00
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	31	29	$669.18	$270.96
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	23	23	$444.97	$105.69
43259 Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscope	22	22	$593.94	$233.20
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$718.96	$177.64
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	16	16	$754.58	$184.54
45381 Injection beneath lining of large bowel using a flexible endoscope	14	14	$882.34	$15.89
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	13	13	$242.48	$50.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	199	173	$125.14	$67.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	196	153	$188.24	$105.98
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	161	160	$1040.78	$269.49
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	152	148	$614.30	$96.00
45380 Biopsy of large bowel using an endoscope	82	81	$933.08	$89.02
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	45	45	$402.42	$142.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$287.54	$157.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$186.62	$96.59
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	34	34	$669.18	$271.47
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	31	31	$754.58	$196.97
45378 Diagnostic exam of large bowel using a flexible endoscope	25	25	$722.89	$184.69
43259 Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscope	18	18	$593.94	$240.61
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$279.30	$106.11
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	17	17	$506.92	$111.16
45381 Injection beneath lining of large bowel using a flexible endoscope	14	14	$913.09	$16.20
43249 Balloon dilation of esophagus using an endoscope	14	14	$357.91	$136.32
G2010 Remote evaluation of recorded video and/or images submitted by an established patient (e.g., store and forward), including interpretation with follow-up with the patient within 24 business hours, not originating from a related e/m service provided within t	14	14	$30.00	$9.46

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	245	186	$188.04	$111.55
99213 Established patient office or other outpatient visit, typically 15 minutes	220	193	$125.14	$75.73
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	198	192	$1027.50	$270.03
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	191	178	$615.80	$104.62
45380 Biopsy of large bowel using an endoscope	151	149	$916.96	$114.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	68	68	$287.54	$167.50
45378 Diagnostic exam of large bowel using a flexible endoscope	66	63	$755.68	$179.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	57	57	$399.14	$140.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	45	45	$186.62	$111.77
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	30	30	$669.18	$281.24
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	25	25	$533.97	$110.34
99221 Initial hospital inpatient care per day, typically 30 minutes	21	21	$279.30	$104.42
43259 Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscope	21	20	$593.94	$223.14
45381 Injection beneath lining of large bowel using a flexible endoscope	18	17	$899.42	$38.85
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	16	16	$754.58	$186.18
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	14	14	$754.58	$180.46

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	301	211	$188.24	$108.92
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	200	191	$595.62	$96.77
45380 Biopsy of large bowel using an endoscope	188	186	$903.14	$120.12
99213 Established patient office or other outpatient visit, typically 15 minutes	176	153	$125.14	$73.76
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	170	167	$1015.73	$265.20
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$287.54	$165.37
45378 Diagnostic exam of large bowel using a flexible endoscope	60	58	$743.30	$182.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	50	50	$402.42	$139.32
99221 Initial hospital inpatient care per day, typically 30 minutes	33	33	$279.30	$103.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$186.62	$107.16
45381 Injection beneath lining of large bowel using a flexible endoscope	24	22	$882.34	$16.88
43259 Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscope	22	22	$593.94	$240.15
43249 Balloon dilation of esophagus using an endoscope	21	19	$339.20	$158.67
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	21	19	$669.18	$279.10
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$523.32	$117.56

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	277	208	$188.24	$108.64
45380 Biopsy of large bowel using an endoscope	226	224	$906.06	$112.51
99213 Established patient office or other outpatient visit, typically 15 minutes	211	174	$125.14	$74.32
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	191	177	$592.44	$99.29
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	168	166	$1017.27	$264.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	58	58	$287.54	$167.09
45378 Diagnostic exam of large bowel using a flexible endoscope	52	52	$737.22	$171.71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	47	46	$402.42	$139.27
99221 Initial hospital inpatient care per day, typically 30 minutes	42	42	$280.82	$103.38
43259 Ultrasound examination of esophagus, stomach and/or upper small bowel using an endoscope	33	32	$593.94	$239.94
45381 Injection beneath lining of large bowel using a flexible endoscope	31	31	$882.34	$16.49
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	28	28	$669.18	$273.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$186.62	$110.23
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	23	$469.58	$105.52
43249 Balloon dilation of esophagus using an endoscope	15	15	$343.57	$154.48
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$754.58	$195.65

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License DE C1-0003750

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Hospital & Practice Group Affiliations

Delaware Center For Digestive Care Llc

4745 Ogletown Stanton Rd, Newark, DE 197132074

Phone: 3027385300

Christiana Care Health Services Inc

4755 Ogletown Stanton Rd, Newark, DE 197182200

Christiana Care Health Services Inc

501 W 14th St Fl, Wilmington, DE 198011013

Phone: 3023201300

Christiana Care Health Services Inc

501 W 14th St, Wilmington, DE 198011013

Christiana Care Health Services Inc

501 W 14th St Wilmington Hospital, Wilmington, DE 198011013

Christiana Care Health Services Inc

1401 Foulk Rd, Wilmington, DE 198032764

Practice Associates & Co-Workers

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

17 Associated Practitioners

Dr. Bernard Haimowitz , MD

Specialist

NPI 1043382443

Doctor of Medicine (M.D.)

Dr. David Beswick , MD

Specialist

NPI 1124190095

Doctor of Medicine (M.D.)

Dr. Ira Lobis , MD, FACP, FACG

Specialist

NPI 1144390857

Doctor of Medicine (M.D.), FACP, FACG

Dr. Ashesh Modi , MD

Specialist

NPI 1174674816

Doctor of Medicine (M.D.)

Dr. Nathan Merriman , MD

Specialist

NPI 1174686042

Doctor of Medicine (M.D.)

Sarah Shaw , FNP-C

Nurse Practitioner - Family

NPI 1407776545

Family Nurse Practitioner (Certified)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 4745 OGLETOWN STANTON RD, NEWARK, DE 197132067 (Tel: 3027385300)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2302 ORCHARD LN, WILMINGTON, DE 198104257 (Tel: 3024753708)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as WARREN BUTT, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Specialist (License #C1-0003750 in DE)

🟢

Initial NPI Registration & Enumeration November 13, 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: 1427129436

Entity Type:

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

Enumeration Date: November 13, 2006

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2302 Orchard Ln

Wilmington, DE 198104257

Phone: 3024753708

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.