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

Dr. Mark R Matthews, MD

Individual provider Pediatric Pathology Physician · NPI 1083694418

Dr. Mark R Matthews, MD is a Pathology in Houston, Texas. Graduated from Medical College of Georgia School of Medicine in 1994, 32 years ago. Practices with Sagis PLLC, a 26-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
32
Trained at
Medical College of Georgia School of Medicine
Licensed in
TX
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4131 Directors Row
Houston, TX 77092-8703
Phone: (877) 697-2447
Fax: (855) 697-2447
Show map & directions

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

Specialties & licences

Anatomic Pathology Physician (primary) Taxonomy 207ZP0101X · Licence L0403 (TX)
Pediatric Pathology Physician Taxonomy 207ZP0213X · Licence L0403 (TX)
Dermatopathology (Pathology) Physician Taxonomy 207ZD0900X · Licence L0403 (TX)

Record details

NPI number1083694418
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 20, 2006
Last updated in NPPESApril 19, 2023
Certification dateApril 19, 2023
Mailing address4131 Directors Row, Houston, TX 77092-8703

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Sagis Pllc — 26 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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