Skip to main content
Gregorio Guillen, MD, Internal Medicine, Perth Amboy, NJ

GregorioJ.GuillenMD

Internal Medicine Perth Amboy, NJ

Geriatric Medicine

Physician

Dr. Guillen is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Guillen's full profile

Already have an account?

  • Office

    400 State St
    Ste 2
    Perth Amboy, NJ 08861
    Phone+1 732-442-6020
    Fax+1 732-442-1995

Education & Training

  • University of Florida
    University of FloridaResidency, Internal Medicine, 1990 - 1992
  • JFK Medical Center/Raritan Bay Medical Center
    JFK Medical Center/Raritan Bay Medical CenterResidency, Internal Medicine, 1987 - 1990
  • CETEC University Santo Domingo
    CETEC University Santo DomingoClass of 1982

Certifications & Licensure

  • NJ State Medical License
    NJ State Medical License 1991 - 2025
  • FL State Medical License
    FL State Medical License 1990 - 1998
  • NY State Medical License
    NY State Medical License 1994 - 1996

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification Amazing Charts EHR, AmazingCharts, LLC, 2011