Doctor profile · Federal record
Dr. James Penn, M.D.
Gastroenterology Physician (CMS: Internal Medicine) · Edison, NJ
- NPI 1588094569
- Accepts Medicare
- MIPS 75.8 / 100 · 2023
- 14 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
205 May St Ste 201
Edison, NJ 088373267
(732) 661-9228
fax (732) 661-9259
Credentials & registration
- NPI registered
- November 2013 — 13 yrs on file
- Profile last updated
- June 3, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #25MA09660900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588094569. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,078
Distinct HCPCS
10
Medicare allowed
$128,474
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 361 | 191 | $86 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 168 | 136 | $100 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 108 | 104 | $142 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 107 | 86 | $143 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 76 | 76 | $125 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 64 | 59 | $111 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 60 | 58 | $116 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 56 | 54 | $266 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $186 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 19 | 18 | $191 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 123. This provider delivers 8.8× the peer median.Open Payments
Industry payments received
All-time total
$5,602
Transactions
204
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | 32 | $3,188.90 | |
| ABBVIE INC. | 47 | $630.75 | |
| QOL Medical, LLC | 13 | $365.32 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 33 | $303.65 | |
| Janssen Biotech, Inc. | 20 | $255.69 | |
| Lilly USA, LLC | 14 | $151.50 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 11 | $146.33 | |
| AIMMUNE THERAPEUTICS, INC. | 9 | $131.15 | |
| IRONWOOD PHARMACEUTICALS, INC | 6 | $99.15 | |
| Ardelyx, Inc. | 6 | $95.21 | |
| Celgene Corporation | 4 | $57.73 | |
| PFIZER INC. | 3 | $49.81 | |
| Madrigal Pharmaceuticals | 3 | $48.68 | |
| ORPHALAN INC | 2 | $32.98 | |
| Merck Sharp & Dohme LLC | 1 | $16.80 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
738
Patients
261
Total drug cost
$81,077
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 255 | 92 | $4,987 |
| Pantoprazole Sodium | Generic | 163 | 58 | $2,269 |
| Esomeprazole Magnesium | Generic | 45 | 14 | $3,262 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 44 | 17 | $16,615 |
| Linzess (Linaclotide) | Brand | 42 | 12 | $23,258 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 37 | 37 | $593 |
| Sucralfate | Generic | 36 | 19 | $3,441 |
| Lansoprazole | Generic | 19 | 0 | $764 |
| Hydrocortisone | Generic | 17 | 12 | $579 |
| Lubiprostone | Generic | 16 | 0 | $3,575 |
Hospital affiliations
Frequently asked questions
What is Dr. James Penn's medical specialty?
Dr. James Penn practices Gastroenterology Physician in Edison, NJ.
Where does Dr. James Penn practice?
Dr. James Penn practices at 205 May St Ste 201, Edison, NJ 088373267. Office phone: 7326619228.
What is Dr. James Penn's NPI?
Dr. James Penn's National Provider Identifier (NPI) is 1588094569, issued by NPPES.
Does Dr. James Penn accept Medicare assignment?
Yes. Dr. James Penn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Penn commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.