Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
GREGORIO J. GUILLEN, M.D
Active Sole ProprietorGREGORIO J. GUILLEN, M.D is a Gastroenterology healthcare provider located in PERTH AMBOY, New Jersey. NPI 1538252226 is currently active in the NPPES registry. Verify at CMS.
Gastroenterology · PERTH AMBOY, NJ
Registration Details
- NPI Number
- 1538252226
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Oct 2, 2006 (19.897206914926 yrs)
- Last Updated
- Aug 6, 2013
- License
-
MA56159 (NJ)
- Sole Proprietor
- Yes
Practice Information
- Address
-
400 STATE ST. SUITE 2PERTH AMBOY, NJ, 08861Browse NJ providers · Browse ZIP 08861
- Phone
- 7324426020
- Fax
- 7324421995
- Primary Specialty
-
Gastroenterology
207RG0300X
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.