Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Firpo Eugenio Guerrero, MD

Individual provider Gastroenterology Physician · NPI 1518973742

Mr. Firpo Eugenio Guerrero, MD is a Gastroenterology in Newark, New Jersey. Qualified in 1981, 45 years ago. Practices with Essex Gastro Associates, PA, a 5-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
45
Licensed in
NJ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

275 Chestnut St
Newark, NJ 07105-1570
Phone: (973) 589-5545
Fax: (973) 589-0073
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 25MA04217500 (NJ)

Record details

NPI number1518973742
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESMay 18, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Essex Gastro Associates, Pa — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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