Firpo Guerrero, M.D.
NPI 1518973742 · Gastroenterology Physician · Newark, NJ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Firpo Guerrero, M.D. is a Gastroenterology Physician provider in Newark, NJ (NPI 1518973742).
Provider details
- NPI number
- 1518973742
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA04217500 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
797 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 416 | $151 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 138 | $277 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 106 | $8 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 64 | $202 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 37 | $46 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 613 | 314 |
| Sucralfate | 456 | 224 |
| Lansoprazole | 292 | 149 |
| Pantoprazole Sodium | 248 | 129 |
| Omeprazole | 111 | 54 |
| Metoclopramide Hcl | 58 | 39 |
| Linaclotidebrand: Linzess | 22 | — |
| Esomeprazole Magnesium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$54 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2011-05-18
Frequently asked questions
- What is Firpo Guerrero's NPI number?
- Firpo Guerrero's National Provider Identifier (NPI) is 1518973742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Firpo Guerrero's specialty?
- Firpo Guerrero is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Firpo Guerrero located?
- Firpo Guerrero's practice location on file with NPPES is 275 Chestnut St, Newark, NJ 07105-1570.
- What is Firpo Guerrero's phone number?
- The practice phone number listed in the NPPES registry for Firpo Guerrero is (973) 589-5545.
- Does Firpo Guerrero accept Medicare?
- Firpo Guerrero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Firpo Guerrero's NPI active?
- Yes — Firpo Guerrero's NPI (1518973742) is active in the NPPES registry as of the last update on 2011-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.