Doctor profile · Federal record
Dr. Firpo Guerrero, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Newark, NJ
- NPI 1518973742
- Accepts Medicare
- MIPS 96.7 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
275 Chestnut St
Newark, NJ 071051570
(973) 589-5545
fax (973) 589-0073
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- May 18, 2011
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #25MA04217500
- Medicaid
- NJ #0391808
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518973742. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
960
Distinct HCPCS
10
Medicare allowed
$156,524
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 520 | 491 | $148 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 175 | 170 | $275 | |
93005 |
Routine electrocardiogram (ecg) using at least 12 leads with tracing | 84 | 84 | $8 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 74 | 73 | $197 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 24 | 24 | $199 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 23 | 23 | $61 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 21 | 21 | $202 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $126 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $186 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 11 | 11 | $140 |
In context: peer comparison
Among 3 peers in Newark Gastroenterology Physician, average services per provider: 114. This provider delivers 8.4× the peer median.Open Payments
Industry payments received
All-time total
$54
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 3 | $40.39 | |
| Ironwood Pharmaceuticals, INC | 1 | $13.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,205
Patients
1,109
Total drug cost
$143,605
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 670 | 342 | $12,843 |
| Sucralfate | Generic | 483 | 220 | $19,631 |
| Pantoprazole Sodium | Generic | 420 | 207 | $6,452 |
| Lansoprazole | Generic | 228 | 120 | $11,642 |
| Omeprazole | Generic | 113 | 53 | $2,004 |
| Linzess (Linaclotide) | Brand | 89 | 28 | $77,093 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 80 | 78 | $1,284 |
| Metoclopramide Hcl | Generic | 31 | 20 | $420 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 20 | 0 | $6,498 |
| Rabeprazole Sodium | Generic | 18 | 0 | $701 |
Frequently asked questions
What is Dr. Firpo Guerrero's medical specialty?
Dr. Firpo Guerrero practices Gastroenterology Physician in Newark, NJ.
Where does Dr. Firpo Guerrero practice?
Dr. Firpo Guerrero practices at 275 Chestnut St, Newark, NJ 071051570. Office phone: 9735895545.
What is Dr. Firpo Guerrero's NPI?
Dr. Firpo Guerrero's National Provider Identifier (NPI) is 1518973742, issued by NPPES.
Does Dr. Firpo Guerrero accept Medicare assignment?
Yes. Dr. Firpo Guerrero accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Firpo Guerrero commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005). Source: CMS Medicare Physician & Other Practitioners file.