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

Mr. Marc P. Difazio, MD

Individual provider Specialist · NPI 1972556462

Mr. Marc P. Difazio, MD is a Pediatric Medicine in Rockville, Maryland. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1991, 35 years ago. Practices with Children's Hospital, a 208-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
35
Trained at
Loyola University of Chicago, Stritch 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

9715 Medical Center Dr Ste 414
Rockville, MD 20850-3320
Phone: (301) 309-2211
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology with Special Qualifications in Child Neurology Physician (primary) Taxonomy 2084N0402X · Licence D0062946 (MD)
Specialist Taxonomy 174400000X · Licence D0062946 (MD)

Record details

NPI number1972556462
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESSeptember 18, 2009

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesNEUROLOGY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Children'S Hospital — 208 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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