Ian M. Rosenthal, MD

NPI 1316218704ActiveIndividual· Dermatology, Dermatopathology· Portsmouth, NH

Dermatology, Dermatopathology (MD) in Portsmouth, New Hampshire, trained at Johns Hopkins University School of Medicine (class of 2012). Medicare paid $665,018 for services to 6,982 patients in 2024.

Overview

NPI	1316218704
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	Yes
NPI issued	Jan 18, 2012
Last updated in NPPES	Jan 31, 2024
Certified by provider	Jan 31, 2024

Specialties and licenses

Taxonomy	Code	License	State
Dermatology, Dermatopathology Primary	207ND0900X	35.128425	OH
Dermatology, Dermatopathology	207ND0900X	23711	NH
Pathology, Anatomic Pathology & Clinical Pathology	207ZP0102X	23711	NH

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Pathology (NH)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	6,982
Services billed	12,840 across 8 procedure codes
Paid by Medicare	$665,018

Medicare sources and data years

Education and affiliations

Medical school	Johns Hopkins University School of Medicine
Graduation year	2012
Medicare specialty	Pathology

Medical group

Optima Dermatology LLCBloomington, IN · 75 clinicians

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Dermatology, Dermatopathology providers in Portsmouth

Stephen P. Brady, M.D.
Portsmouth, NH · Individual
1194820662

All Dermatology, Dermatopathology providers in New Hampshire