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

Dr. John H Greist, MD

Individual provider Psychiatry Physician · NPI 1598961005

Dr. John H Greist, MD is a Psychiatry Physician in Madison, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Healthcare Technology Systems Inc 7617 Mineral Point Rd Ste 300
Madison, WI 53717
Phone: (608) 827-2450
Fax: (608) 827-2444
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 15607 (WI)

Record details

NPI number1598961005
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 22, 2007
Last updated in NPPESJuly 8, 2007
Mailing addressHealthcare Technology Systems, Inc., 7617 Mineral Point Rd., Ste. 300, Madison, WI 53717

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