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

John Hittle, MD

Individual provider Internal Medicine Physician · NPI 1821090275

John Hittle, MD is an Internal Medicine in Greenfield, Indiana. Graduated from Indiana University School of Medicine in 1990, 36 years ago. Practices with Arm Specialists LLC, a 17-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
36
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Memorial Sq Ste 305
Greenfield, IN 46140-3308
Phone: (317) 462-6662
Fax: (317) 468-6275
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01041331A (IN)

Record details

NPI number1821090275
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 15, 2005
Last updated in NPPESOctober 8, 2010
Mailing addressPo Box 129, Greenfield, IN 46140-0129

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Arm Specialists Llc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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