Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Michael J McCormack, MD

Individual provider Internal Medicine Physician · NPI 1821018821

Michael J McCormack, MD is a Medical Oncology in Hagerstown, Maryland. Graduated from Georgetown University School of Medicine in 1982, 44 years ago. Practices with Meritus Medical Center Inc, a 746-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
44
Trained at
Georgetown University School of Medicine
Licensed in
MD
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11110 Medical Campus Rd Ste 130
Hagerstown, MD 21742-6700
Phone: (301) 665-4731
Fax: (301) 665-4711
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence D0041667 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence D0041667 (MD)

Record details

NPI number1821018821
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESJanuary 23, 2015
Mailing address11110 Medical Campus Rd, Ste 130, Hagerstown, MD 21742-6700

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMEDICAL ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Meritus Medical Center Inc — 746 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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