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

Matthew Joesph Lash, MD

Individual provider Military Health Care Provider · NPI 1023402054

Matthew Joesph Lash, MD is a Family Practice in Greenwood, Indiana. Graduated from Indiana University School of Medicine in 2015, 11 years ago. Practices with Franciscan Physician Network, a 1,171-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
11
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2015
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

701 E County Line Rd Ste 204
Greenwood, IN 46143-1071
Phone: (317) 882-0535
Fax: (317) 882-0173
Show map & directions

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

Additional practice locations (1)

  • Naval Medical Center, 100 Brewster Blvd., Camp Lejeune, Jacksonville, NC 28547-2538 — (910) 449-6500

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 01077347A (IN)
Military Health Care Provider Taxonomy 171000000X
General Practice Physician Taxonomy 208D00000X · Licence 01077347A (IN)

Record details

NPI number1023402054
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2015
Last updated in NPPESAugust 11, 2025
Certification dateAugust 11, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Franciscan Physician Network — 1171 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount