Doctor profile · Federal record
Dr. Mark Gilder, M.D.
Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Specialist · Millburn, NJ
- NPI 1356316525
- Accepts Medicare
- MIPS 88.9 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
231 Millburn Ave
Millburn, NJ 070411718
(973) 467-2277
fax (973) 467-1317
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- February 14, 2024
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 208C00000X — NUCC code
- State license (1)
- New Jersey #25MA05933500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356316525. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
414
Distinct HCPCS
10
Medicare allowed
$72,172
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 59 | 46 | $140 | |
46221 |
Removal of external hemorrhoids by rubber banding | 54 | 41 | $330 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 43 | 43 | $119 | |
46600 |
Diagnostic exam of anus using an endoscope | 40 | 35 | $141 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 38 | 21 | $129 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 31 | 28 | $189 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 27 | $100 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 21 | 21 | $247 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $179 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 18 | 16 | $162 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 26. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$1,789
Transactions
18
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | 7 | $1,269.10 | |
| Kerecis Limited | 3 | $225.51 | |
| Medtronic, Inc. | 1 | $147.53 | |
| Olympus America Inc. | 2 | $52.00 | |
| Exact Sciences Corporation | 1 | $27.52 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $18.89 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $17.00 | |
| VERTEX PHARMACEUTICALS INCORPORATED | 1 | $15.78 | |
| Ferring Pharmaceuticals Inc. | 1 | $15.59 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
128
Patients
103
Total drug cost
$8,276
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metronidazole | Generic | 26 | 25 | $32 |
| Neomycin Sulfate | Generic | 19 | 19 | $59 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 18 | 18 | $147 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 16 | 16 | $2,765 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 14 | 14 | $1,050 |
| Creon (Lipase/Protease/Amylase) | Brand | 12 | 0 | $3,520 |
| Oxycodone Hcl | Generic | 12 | 11 | $85 |
| Cholestyramine Light (Cholestyramine/Aspartame) | Brand | 11 | 0 | $618 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Gilder's medical specialty?
Dr. Mark Gilder practices Colon & Rectal Surgery Physician in Millburn, NJ.
Where does Dr. Mark Gilder practice?
Dr. Mark Gilder practices at 231 Millburn Ave, Millburn, NJ 070411718. Office phone: 9734672277.
What is Dr. Mark Gilder's NPI?
Dr. Mark Gilder's National Provider Identifier (NPI) is 1356316525, issued by NPPES.
Does Dr. Mark Gilder accept Medicare assignment?
Yes. Dr. Mark Gilder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Gilder commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of external hemorrhoids by rubber banding (HCPCS 46221); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.