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

Mary Greenwalt

Individual provider Registered Nurse · NPI 1417475450

Mary Greenwalt is a Nurse Practitioner in Greenfield, Indiana. Graduated from Indiana University School of Medicine in 2017, 9 years ago. Practices with Reid Physician Associates Inc, a 423-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
9
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2017
Specialties on file
2
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Practice location Address checks out

300 E Boyd Ave Ste 201
Greenfield, IN 46140-2818
Phone: (317) 462-5112
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1400 N Ritter Ave Ste 520, Indianapolis, IN 46219-3052 — (317) 355-1234
  • 1100 Reid Pkwy Ste 215, Richmond, IN 47374-1157 — (765) 939-9331

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 71007479A (IN)
Registered Nurse Taxonomy 163W00000X · Licence 28145063A (IN)

Record details

NPI number1417475450
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 30, 2017
Last updated in NPPESJanuary 29, 2026
Certification dateJanuary 29, 2026
Mailing address1100 Reid Pkwy, Richmond, IN 47374-1157

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Reid Physician Associates Inc — 423 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Greenfield