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

Timothy J. McDonnell, MD, PHD

Individual provider Anatomic Pathology Physician · NPI 1932293701

Timothy J. McDonnell, MD, PHD is a Pathology in Houston, Texas. Graduated from Washington University School of Medicine in 1986, 40 years ago. Accepts Medicare assignment. Licensed in Texas.

Years since qualifying
40
Trained at
Washington University School of Medicine
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1515 Holcombe Blvd
Houston, TX 77030-4009
Phone: (713) 792-6161
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology Physician (primary) Taxonomy 207ZP0101X · Licence H9683 (TX)

Record details

NPI number1932293701
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESJuly 5, 2012
Mailing addressPo Box 4439, Houston, TX 77210-4439

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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