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

Matthew Maximilian O'Brien, MD

Individual provider Family Medicine Physician · NPI 1417996935

Matthew Maximilian O'Brien, MD is a Family Practice in Wilmington, Delaware. Graduated from Jefferson Medical College of Thomas Jefferson University in 1997, 29 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Delaware.

Years since qualifying
29
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
DE
In the registry since
2006
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

1401 Foulk Rd Ste 202
Wilmington, DE 19803-2763
Phone: (302) 478-5650
Fax: (302) 477-0455
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence C10005808 (DE)

Record details

NPI number1417996935
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESJuly 24, 2013

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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