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

Katherine McGrath, DO

Individual provider Internal Medicine Physician · NPI 1649807660

Katherine McGrath, DO is an Internal Medicine in Indianapolis, Indiana. Graduated from Marian University College of Osteopathic Medicine in 2020, 6 years ago. Practices with Ohio Physician Professional Corporation, a 141-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
6
Trained at
Marian University College of Osteopathic Medicine
Licensed in
IN
In the registry since
2020
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

8333 Naab Rd Ste 420
Indianapolis, IN 46260-1992
Phone: (317) 338-6666
Show map & directions

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

Additional practice locations (2)

  • 8414 Naab Rd Ste 100, Indianapolis, IN 46260-1972 — (317) 338-7510
  • 8414 Naab Rd, Indianapolis, IN 46260-1972 — (317) 338-7510

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 02007226A (IN)

Record details

NPI number1649807660
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 27, 2020
Last updated in NPPESMarch 6, 2026
Certification dateMarch 6, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMARIAN UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2020 (6 years in practice)
Group practice Ohio Physician Professional Corporation — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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