Doctor profile · Federal record
Dr. James Gillin, MD
Gastroenterology Physician · Berkeley Heights, NJ
- NPI 1639167000
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Diamond Hill RD
Berkeley Heights, NJ 07922
(908) 273-4300
fax (908) 673-7140
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- April 2, 2008
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #MA44104
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639167000. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
381
Distinct HCPCS
10
Medicare allowed
$45,349
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 65 | 63 | $98 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 42 | 42 | $96 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 40 | 38 | $141 | |
36415 |
Insertion of needle into vein for collection of blood sample | 39 | 30 | $8 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 36 | 36 | $266 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 35 | 30 | $8 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 30 | 30 | $197 | |
80053 |
Blood test, comprehensive group of blood chemicals | 28 | 23 | $10 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 23 | 23 | $199 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 16 | 16 | $202 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 47. This provider delivers 8.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
800
Patients
277
Total drug cost
$79,806
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 344 | 142 | $6,721 |
| Pantoprazole Sodium | Generic | 116 | 44 | $2,053 |
| Famotidine | Generic | 79 | 38 | $1,203 |
| Esomeprazole Magnesium | Generic | 59 | 23 | $5,299 |
| Dicyclomine Hcl | Generic | 39 | 14 | $718 |
| Mesalamine | Generic | 36 | 16 | $36,492 |
| Lansoprazole | Generic | 19 | 0 | $379 |
| Linzess (Linaclotide) | Brand | 18 | 0 | $16,104 |
| Spironolactone | Generic | 17 | 0 | $534 |
| Balsalazide Disodium | Generic | 16 | 0 | $7,542 |
Frequently asked questions
What is Dr. James Gillin's medical specialty?
Dr. James Gillin practices Gastroenterology Physician in Berkeley Heights, NJ.
Where does Dr. James Gillin practice?
Dr. James Gillin practices at 1 Diamond Hill RD, Berkeley Heights, NJ 07922. Office phone: 9082734300.
What is Dr. James Gillin's NPI?
Dr. James Gillin's National Provider Identifier (NPI) is 1639167000, issued by NPPES.
What procedures does Dr. James Gillin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.