Learn more about the medical team at Internal Medicine Faculty Associates:
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Physicians Located in Suite 350:
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Sophia Casely-Hayford, MD
Board Certification: Internal Medicine
Specialty: Internal Medicine
Medical Education: Columbia University
Stanley B. Fiel, MD, FACP, FCCP
Board Certification: Internal Medicine, Pulmonary Medicine
Specialties: Executive Health, Pulmonary Medicine
Medical Education: Medical College of Pennsylvania, Temple University Hospital; Hospital of the University of PennsylvaniaRebecca A. Griffith, MD
Board Certification: Internal Medicine
Specialty: Internal Medicine
Medical Education: University of Massachusetts; Rhode Island Hospital
M. Patricia Harris, MD, FACP
Board Certification: Internal Medicine
Specialty: Internal Medicine
Medical Education: University of MassachusettsBrenda Matti-Orozco, MD, FACP
Board Certification: Internal Medicine, Palliative Medicine
Specialty: Internal Medicine, Palliative Medicine
Medical Education: University of Santo Tomas, PhilippinesRafael Pajaro, MD
Board Certification: Internal Medicine
Specialty: Internal Medicine
Medical Education: New York Medical CollegeKathleen Pergament, DO
Board Certification: Internal Medicine
Specialty: Internal Medicine
Medical Education: Lake Erie College of Osteopathic Medicine
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Physicians Located in Suite 210:
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Michael Barth, MD
Board Certification: Internal Medicine
Specialty: Internal Medicine
Medical Education: Ross University School of MedicineJason Kessler, MD, MPH
Board Certification: Internal Medicine, Infectious Disease
Specialty: Infectious Disease
Medical School: SUNY Downstate
Residency: University of Pennsylvania
Fellowship: Columbia University Medical CenterBrenda Matti-Orozco, MD, FACP
Board Certification: Internal Medicine, Palliative Medicine
Specialty: Internal Medicine, Palliative Medicine
Medical Education: University of Santo Tomas, PhilippinesEarl F. Nielsen, MD, FACP
Board Certification: Internal Medicine
Specialty: Nephrology
Medical Education: University of Vermont College of Medicine
Anna M. Raska, MD
Board Certification: Internal Medicine
Specialty: Internal Medicine
Medical Education: Johns Hopkins University School of MedicineElsa Thomas, MD
Board Certification: Internal Medicine
Specialty: Internal Medicine
Medical Education: MCP Hahnemann University School of MedicineJudith P Tiongco, MD
Board Certification: Internal Medicine
Medical Education: University of the Philippines
Residency: Einstein Medical CenterJessica Petilla, MD
Board Certification: Geriatric Medicine, Internal Medicine
Specialty: Geriatric Medicine, Internal Medicine
Medical Education: University of the East R M Memorial Medical Center
Residency: Saint Luke's-Roosevelt HospitalPatricia Gonzalez, APN
Board Certification: Family Nurse Practitioner
Specialty: Internal Medicine, Geriatric Medicine
Medical Education: Rutgers College of Nursing
Our physicians see patients at Morristown Medical Center. They are affiliated with Atlantic Medical Group and are participating providers of Atlantic Accountable Care Organization.
We proudly serve as a training site for physicians in the specialty of internal medicine. As an academic facility, our mission is to provide high-quality medical education to our learners and compassionate, cost-effective services to patients and families consistent with the latest medical evidence.

Internal Medicine Faculty Associates Locations
Morristown - Suite 210
435 South Street
Morristown, NJ 07960
FAX 973-290-7675
Monday to Friday, 8:30am to 4:30pm
Morristown - Suite 350
435 South Street
Morristown, NJ 07960
FAX 973-290-7480
Monday, Wednesday and Friday: 9:00am to 5:00pm Tuesday and Thursday: 9:00am to 7:00pm