Active NPI 1871798421 Individual Practitioner Male Practitioner

Dr. Irfan M Hisamuddin , MD

Specialist • Newark, DE

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Irfan Hisamuddin, MD is a certified Specialist practicing in Newark, DE. With approximately 29 years of clinical experience since completing medical education in 1997, Dr. Hisamuddin delivers high-quality medical care to the local community at 4745 OGLETOWN STANTON RD.

Dr. Hisamuddin 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, injection, infliximab, excludes biosimilar, 10 mg, established 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

4745 Ogletown Stanton Rd
Suite 134

Newark, DE 197132067

Telephone 3027385300

Fax 3027314822

Associated Practice Facility / Clinic

🏢 Gastroenterology Associates, Pa Facility NPI 1902804982

Medicare Profile & Education

Medical School

Other

Graduation Year

1997

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

29 Yrs -7.0 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

68.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hisamuddin (29 Years) 29 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	12,900	27	$60.00	$20.78
J1745 Injection, infliximab, excludes biosimilar, 10 mg	1,270	13	$115.00	$31.41
99213 Established patient office or other outpatient visit, typically 15 minutes	198	154	$230.00	$89.10
45380 Biopsy of large bowel using an endoscope	152	152	$504.97	$147.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	141	99	$325.00	$125.86
99221 Initial hospital inpatient care per day, typically 30 minutes	112	110	$368.56	$80.32
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	109	108	$349.44	$98.01
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	62	62	$907.87	$244.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$285.00	$109.20
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	46	28	$325.00	$58.89
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	38	38	$332.97	$102.85
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	32	32	$460.00	$176.86
96415 Administration of chemotherapy into vein, each additional hour	24	13	$102.00	$26.96
96413 Infusion of chemotherapy into a vein up to 1 hour	24	13	$302.00	$125.70
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	20	20	$465.00	$160.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$425.00	$164.36
45378 Diagnostic exam of large bowel using a flexible endoscope	13	12	$487.14	$167.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$156.15	$55.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3380 Injection, vedolizumab, intravenous, 1 mg	7,200	14	$36.73	$21.76
99213 Established patient office or other outpatient visit, typically 15 minutes	218	183	$148.23	$89.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	188	137	$201.33	$126.59
45380 Biopsy of large bowel using an endoscope	167	165	$830.28	$154.05
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	127	122	$590.84	$101.79
99221 Initial hospital inpatient care per day, typically 30 minutes	83	81	$355.99	$81.98
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	66	66	$1007.07	$248.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$287.54	$166.01
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	31	31	$726.07	$177.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$237.51	$111.43
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	27	27	$475.16	$106.12
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	25	15	$101.68	$64.08
45378 Diagnostic exam of large bowel using a flexible endoscope	17	17	$655.19	$181.65
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	14	14	$671.84	$174.16
91110 Imaging of digestive tract done from the inside of the digestive tract	11	11	$2072.73	$749.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3380 Injection, vedolizumab, intravenous, 1 mg	8,100	17	$33.41	$22.00
J1745 Injection, infliximab, excludes biosimilar, 10 mg	1,170	15	$181.00	$35.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	336	217	$188.24	$126.83
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	133	125	$627.80	$104.39
99221 Initial hospital inpatient care per day, typically 30 minutes	112	108	$304.95	$101.49
45380 Biopsy of large bowel using an endoscope	109	109	$898.50	$160.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	63	63	$287.54	$168.69
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	56	56	$1020.48	$256.99
99213 Established patient office or other outpatient visit, typically 15 minutes	51	48	$125.14	$88.89
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	49	49	$754.58	$182.17
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	28	17	$93.05	$69.47
96415 Administration of chemotherapy into vein, each additional hour	26	15	$67.84	$29.90
96413 Infusion of chemotherapy into a vein up to 1 hour	26	15	$305.76	$136.20
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	25	25	$523.32	$111.58
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	21	21	$754.58	$185.38
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$743.55	$176.67

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	337	217	$188.24	$129.87
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	116	111	$630.80	$104.30
45380 Biopsy of large bowel using an endoscope	99	99	$901.76	$147.29
99213 Established patient office or other outpatient visit, typically 15 minutes	96	88	$125.14	$91.68
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	80	80	$1014.79	$260.12
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	$171.99
99221 Initial hospital inpatient care per day, typically 30 minutes	55	55	$279.30	$102.84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	40	39	$183.54	$73.17
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	39	39	$754.58	$190.19
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	33	33	$497.76	$106.92
91110 Imaging of digestive tract done from the inside of the digestive tract	19	19	$2100.00	$906.73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$338.58	$138.52
45378 Diagnostic exam of large bowel using a flexible endoscope	16	16	$685.92	$166.61
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	15	15	$754.58	$190.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	295	190	$125.14	$67.27
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	114	105	$677.50	$118.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	110	98	$188.24	$105.11
45380 Biopsy of large bowel using an endoscope	94	94	$933.55	$153.30
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	72	72	$183.54	$75.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$287.54	$165.83
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	52	52	$1042.45	$263.65
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	37	35	$537.78	$114.30
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	36	36	$754.58	$194.28
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$75.78	$37.16
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	16	15	$754.58	$191.12
45378 Diagnostic exam of large bowel using a flexible endoscope	15	15	$750.11	$196.79
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	13	$30.00	$9.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$191.72	$98.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	324	208	$125.14	$76.02
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	162	149	$659.76	$116.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	139	113	$187.89	$111.50
45380 Biopsy of large bowel using an endoscope	137	136	$921.99	$141.84
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	119	118	$1019.40	$268.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	77	77	$287.54	$169.53
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	72	66	$183.54	$74.04
45378 Diagnostic exam of large bowel using a flexible endoscope	42	42	$760.02	$187.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	38	$75.78	$46.52
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	37	37	$477.36	$116.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$186.62	$111.79
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$754.58	$198.61
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$754.58	$198.20
91110 Imaging of digestive tract done from the inside of the digestive tract	12	12	$2100.00	$909.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	292	211	$125.14	$73.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	162	117	$188.24	$109.09
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	138	129	$639.10	$118.82
45380 Biopsy of large bowel using an endoscope	137	136	$904.06	$159.24
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	86	81	$183.54	$73.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	74	74	$289.87	$166.04
45378 Diagnostic exam of large bowel using a flexible endoscope	58	57	$723.46	$191.56
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	58	57	$1015.84	$270.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	53	53	$186.62	$108.53
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	47	45	$509.60	$115.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	30	$75.78	$44.02
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$754.58	$188.31

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	241	166	$188.24	$109.30
99213 Established patient office or other outpatient visit, typically 15 minutes	206	153	$125.14	$74.34
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	147	137	$618.17	$114.49
45380 Biopsy of large bowel using an endoscope	147	146	$892.99	$153.53
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	114	107	$183.42	$73.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	97	97	$287.54	$166.98
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	75	75	$1013.30	$270.08
45378 Diagnostic exam of large bowel using a flexible endoscope	66	66	$740.91	$191.26
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	51	48	$485.38	$117.51
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	22	22	$754.58	$186.77
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$185.06	$51.80
91110 Imaging of digestive tract done from the inside of the digestive tract	14	14	$1940.02	$842.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$186.62	$110.26

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License MD PENDING

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.

Internal Medicine - Gastroenterology

NUCC Taxonomy Code: 207RG0100X

State License DE C1-0011248

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.

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

Phone: 3027331000

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 22, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location July 22, 2015

Registered at 4745 OGLETOWN STANTON RD, SUITE 134, NEWARK, DE 197132067 (Tel: 3027385300)

📍

Updated Business Mailing Address July 22, 2015

Registered at PO BOX 7356, LANCASTER, PA 176047356 (Tel: 4104414847)

👤

Provider Name / Credentials Updated July 22, 2015

Recorded as IRFAN HISAMUDDIN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 22, 2015

Specialist (License #PENDING in MD)

🟢

Initial NPI Registration & Enumeration June 15, 2007

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: 1871798421

Entity Type:

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

Enumeration Date: June 15, 2007

Last Update: July 22, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 7356

Lancaster, PA 176047356

Phone: 4104414847

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.