License Verification Details


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Oregon Medical Board
1500 SW 1st Ave
Suite 620
Portland, OR 97201
Phone: (971) 673-2700
Oregon Seal

Information current as of 01/24/2026 09:54:37 AM

Merlo-Grifantini, Heather Calleen, MD

MD License: MD153468

  • 08/08/2011
  • Inactive
  • 1/1/2026
  • 12/31/2027
  • USMLE
  • No

Licensee Information

Female
Family Medicine
Specialty is self-reported by the licensee. It does not necessarily indicate specialty board certification.
English

Practice Location(s)

No practice location information on file.

Education

School Name Location Degree Date Degree Earned
ROSS UNIV ROSEAU, DOMINICA 03/31/2007 MD

Post-Graduate
Training
School Name Location From To Specialty
Internship New Hanover Reg Med Ctr Prog Wilmington, NC United States 06/2008 06/2009 Family Medicine
Residency New Hanover Reg Med Ctr Prog Wilmington, NC United States 06/2009 06/2011 Family Medicine

The licensee may have completed additional education or training programs. Only those that have been verified with the primary source are shown.

Board Actions

Board Actions are provided pursuant to ORS 676.175(5)(a) and (b).

Notices of Proposed Disciplinary Action are issued by a vote of the Board but are a preliminary action only; a final determination has not been made. Corrective Action Orders, Corrective Action Agreements, Consent Agreements, Voluntary Limitations, and rescinded Board actions are not disciplinary and are removed from this website upon completion. These are public documents available through a license verification request.

Effective Date End Date Order Type
09/24/2025 Open Interim Stipulated Order
On September 24, 2025, Licensee entered into an Interim Stipulated Order to voluntarily withdraw from practice and place her license in Inactive status pending the completion of the Board’s investigation into her ability to safely and competently practice medicine. This is a preliminary action by the Board. A final Board action in this matter has not been taken.

Malpractice

To search for closed malpractice claim information for this licensee, click here.