Thomas Vincent Holohan, MD
Internal Medicine Physician · Oncologist in Rockville, MD
Provider details
- Specialty
- Internal Medicine Physician
- Also registered as
- Medical Oncology Physician
- Credentials
- MD
- NPI number
- 1235311663
Checked against the CMS National Provider Identifier registry on October 2, 2026.
About
Specialties
- Oncology
- Internal Medicine
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