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

Evan H Geissler, DO

Individual provider Family Medicine Physician · NPI 1578781845

Evan H Geissler, DO is a Family Medicine Physician in Hammond, Indiana. Licensed in Indiana. Registered with an NPI since 2007.

Licensed in
IN
In the registry since
2007
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

7134 Calumet Ave
Hammond, IN 46324-2406
Phone: (219) 931-4725
Fax: (219) 932-4028
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 02000568A (IN)

Record details

NPI number1578781845
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address7134 Calumet Ave, Hammond, IN 46324-2406

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