Active NPI 1356316525 Individual Practitioner Male Practitioner

Dr. Mark E Gilder , MD

Colon & Rectal Surgery • Millburn, NJ

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Mark Gilder, MD is a certified Colon & Rectal Surgery practicing in Millburn, NJ. With approximately 39 years of clinical experience since graduating from New York Medical College in 1987, Dr. Gilder delivers high-quality medical care to the local community at 231 MILLBURN AVE.

Dr. Gilder is affiliated with Barnabas Health Medical Group, Pc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, removal of external hemorrhoids by rubber banding, diagnostic examination of the anus using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

231 Millburn Ave

Millburn, NJ 070411718

Telephone 9734672277

Fax 9734671317

Associated Practice Facility / Clinic

🏢 Associates In Colon & Rectal Diseases, P.a. Facility NPI 1831164086

Medicare Profile & Education

Medical School

New York Medical College

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Millburn, NJ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +3.5 yrs vs City Avg

City Avg: 35.5 Yrs

State Avg: 24.7 Yrs

Regional Practice Density

4 Specialists

Practicing in Millburn, NJ (101 Statewide)

Telehealth Adoption Rate

25.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

78.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gilder (39 Years) 39 Yrs

Millburn Specialty Average (35.5 Years) 35.5 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	90	72	$562.00	$143.33
46221 Removal of external hemorrhoids by rubber banding	73	55	$1270.00	$323.90
46600 Diagnostic examination of the anus using an endoscope	65	58	$534.00	$135.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	58	58	$730.00	$186.16
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$489.00	$124.67
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	20	$335.00	$85.18
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	24	$789.00	$201.50
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$2013.00	$274.49
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	22	22	$1511.00	$200.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	20	$555.00	$140.80
99213 Established patient office or other outpatient visit, typically 15 minutes	19	17	$399.00	$101.35
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	18	$735.00	$187.83
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$961.00	$244.93

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	59	46	$558.66	$139.63
46221 Removal of external hemorrhoids by rubber banding	54	41	$1295.82	$329.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$490.97	$118.91
46600 Diagnostic examination of the anus using an endoscope	40	35	$555.58	$141.34
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	38	21	$443.63	$129.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	28	$837.00	$188.69
99213 Established patient office or other outpatient visit, typically 15 minutes	30	27	$395.92	$100.18
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	21	21	$2049.52	$246.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$724.31	$178.90
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	16	$780.81	$161.73
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$954.64	$221.82
45300 Diagnostic examination of rectum and large bowel using an endoscope	17	12	$594.39	$150.95
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	14	14	$1480.66	$193.10
15860 Injection of agent into vein to assess blood flow of skin graft or flap	12	12	$456.00	$72.41

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	88	70	$530.91	$143.70
46221 Removal of external hemorrhoids by rubber banding	70	52	$1314.87	$341.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	62	62	$732.94	$186.39
46600 Diagnostic examination of the anus using an endoscope	60	56	$533.00	$145.89
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	51	23	$444.22	$111.35
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	36	36	$2091.00	$270.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	32	30	$860.19	$215.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$490.20	$119.72
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	26	26	$946.50	$231.80
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	22	21	$1532.77	$199.04
99213 Established patient office or other outpatient visit, typically 15 minutes	21	19	$382.57	$102.63
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	19	$730.15	$192.58
15860 Injection of agent into vein to assess blood flow of skin graft or flap	18	18	$468.89	$65.26

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	70	$472.49	$145.52
46600 Diagnostic examination of the anus using an endoscope	72	61	$466.67	$146.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$717.24	$189.81
46221 Removal of external hemorrhoids by rubber banding	52	36	$1276.44	$347.69
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	36	27	$650.03	$204.97
99213 Established patient office or other outpatient visit, typically 15 minutes	34	27	$331.35	$104.03
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	34	18	$453.82	$113.19
15860 Injection of agent into vein to assess blood flow of skin graft or flap	25	25	$455.08	$61.63
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	22	$875.92	$219.46
45300 Diagnostic examination of rectum and large bowel using an endoscope	23	21	$574.09	$153.14
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$898.04	$250.16
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$440.25	$124.08
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	20	20	$2022.15	$273.00
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	14	14	$1490.43	$207.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	69	56	$209.00	$84.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	48	$304.00	$120.01
46221 Removal of external hemorrhoids by rubber banding	47	36	$789.00	$323.79
46600 Diagnostic examination of the anus using an endoscope	44	42	$280.00	$122.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$303.00	$120.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$457.00	$182.74
45300 Diagnostic examination of rectum and large bowel using an endoscope	25	21	$356.00	$144.52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	21	$552.00	$225.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$573.00	$225.39
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	17	17	$924.00	$211.31
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$1246.00	$288.16
15860 Injection of agent into vein to assess blood flow of skin graft or flap	13	13	$298.00	$79.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	87	77	$208.24	$81.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$303.00	$116.19
46221 Removal of external hemorrhoids by rubber banding	49	39	$789.00	$310.29
46600 Diagnostic examination of the anus using an endoscope	49	45	$280.00	$107.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	37	$304.00	$120.48
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	36	36	$1246.00	$279.73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	34	19	$283.00	$112.11
15860 Injection of agent into vein to assess blood flow of skin graft or flap	31	31	$298.00	$64.59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	25	$545.89	$218.25
45300 Diagnostic examination of rectum and large bowel using an endoscope	23	20	$356.00	$135.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$457.00	$180.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	20	11	$198.00	$78.47
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$924.00	$206.52
44205 Partial removal of small and large bowel with attachment of small and large bowel using an endoscope	16	16	$3730.00	$1420.77
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$573.00	$226.90
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$906.23	$191.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	89	74	$171.00	$80.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	62	62	$254.00	$119.49
46221 Removal of external hemorrhoids by rubber banding	56	40	$800.00	$308.13
46600 Diagnostic examination of the anus using an endoscope	44	41	$268.00	$103.28
15860 Injection of agent into vein to assess blood flow of skin graft or flap	33	33	$305.00	$59.24
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	32	32	$452.00	$218.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	26	$250.00	$115.29
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	28	17	$231.00	$112.26
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	27	27	$1559.00	$272.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	16	$105.00	$49.20
45300 Diagnostic examination of rectum and large bowel using an endoscope	18	17	$374.00	$137.74
44205 Partial removal of small and large bowel with attachment of small and large bowel using an endoscope	16	16	$3673.00	$1220.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$384.00	$171.09
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	14	12	$160.00	$78.41
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	13	13	$5000.00	$1736.40
44213 Partial release of large bowel and partial removal of large bowel using an endoscope	13	13	$511.00	$165.52
49585 Repair of hernia at navel (5 years or older)	12	12	$1238.00	$228.77
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$1166.00	$207.31
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$1166.00	$206.13
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$473.00	$226.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	95	69	$171.00	$79.03
46221 Removal of external hemorrhoids by rubber banding	68	44	$800.00	$305.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	68	68	$254.00	$117.97
46600 Diagnostic examination of the anus using an endoscope	51	39	$268.00	$100.94
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	33	17	$231.00	$110.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	25	$250.00	$118.44
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	22	$105.00	$48.75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	24	$452.00	$211.52
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	16	$160.00	$77.68
45300 Diagnostic examination of rectum and large bowel using an endoscope	18	16	$374.00	$133.89
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$1166.00	$184.27
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	17	17	$1559.00	$236.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$384.00	$179.79
15860 Injection of agent into vein to assess blood flow of skin graft or flap	13	13	$305.00	$60.25
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$1166.00	$206.44

Medical Specialties & State Licenses

CMS Verified: 2024-02-14

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License NJ 25MA05933500

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Specialist

NUCC Taxonomy Code: 174400000X

State License NJ 25MA05933500

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

Barnabas Health Medical Group, Pc

201 Lyons Ave, Newark, NJ 071122027

Phone: 9739267814

Barnabas Health Medical Group, Pc

201 Lyons Ave, Newark, NJ 071122027

Phone: 7329237455

Barnabas Health Medical Group, Pc

200 S Orange Ave, Livingston, NJ 070395817

Barnabas Health Medical Group, Pc

94 Old Short Hills Rd, Livingston, NJ 070395672

Phone: 8887247123

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Robert Orringer , MD

Colon & Rectal Surgery

NPI 1235104019

Doctor of Medicine (M.D.)

Dr. David Lawrence , MD

Colon & Rectal Surgery

NPI 1942275102

Doctor of Medicine (M.D.)

Dr. Debra Tarantino , MD

Colon & Rectal Surgery

NPI 1952477986

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 14, 2024

Colon & Rectal Surgery (License #25MA05933500 in NJ)

✅

NPI Profile Active September 17, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location September 17, 2010

Registered at 231 MILLBURN AVE, MILLBURN, NJ 070411718 (Tel: 9734672277)

📍

Updated Business Mailing Address September 17, 2010

Registered at 231 MILLBURN AVE, MILLBURN, NJ 070411718 (Tel: 9734672277)

👤

Provider Name / Credentials Updated September 17, 2010

Recorded as MARK GILDER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 17, 2010

Specialist (License #25MA05933500 in NJ)

🟢

Initial NPI Registration & Enumeration February 21, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

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NPI Administrative Meta

NPI Number: 1356316525

Entity Type:

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

Enumeration Date: February 21, 2006

Last Update: February 14, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

231 Millburn Ave

Millburn, NJ 070411718

Phone: 9734672277

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.