Physician Profile
Firpo E. Guerrero, M.D.
Unclaimed ProfileAbout Dr. Guerrero
Firpo E. Guerrero, M.D. practices gastroenterology in Newark, NJ. According to Medicare claims data, Firpo cared for 784 Medicare patients across 797 services. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare, and routine electrocardiogram (ecg) using at least 12 leads with tracing. The provider's National Provider Identifier (NPI) is 1518973742.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (973) 589-5545
- Email not available
Practice Locations
275 CHESTNUT ST
Newark, NJ 07105
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
797 services · 784 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
416 | More than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
138 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
37 | As often as other peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
19 | As often as other peers in Gastroenterology |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
106 | Too few peers to compare |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
64 | More than most peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
17 | As often as other peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Newark 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1981 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What kind of doctor is Firpo E. Guerrero?
Firpo E. Guerrero is a gastroenterologist in Newark, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Firpo E. Guerrero's address?
Firpo E. Guerrero is listed at 275 Chestnut St, Newark, NJ 07105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Firpo E. Guerrero?
The number on file is (973) 589-5545. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Firpo E. Guerrero's NPI number?
Firpo E. Guerrero's National Provider Identifier is 1518973742. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Firpo E. Guerrero train?
Firpo E. Guerrero attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Firpo E. Guerrero been practicing?
Firpo E. Guerrero has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Firpo E. Guerrero perform?
According to Medicare billing data, Firpo E. Guerrero performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope; provides treatments such as routine electrocardiogram using at least 12 leads with tracing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Firpo E. Guerrero confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Firpo E. Guerrero. If this is you, claiming it is free.
Guide.md
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