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

Lawrence J Bortenschlager, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1801897236

Lawrence J Bortenschlager, MD is a Critical Care Medicine (Internal Medicine) Physician in Indianapolis, Indiana. Works from 2 locations. Licensed in Indiana.

Licensed in
IN
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1801 Senate Blvd Ste 230
Indianapolis, IN 46202-1252
Phone: (317) 962-5820
Fax: (317) 962-3916
Show map & directions

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

Additional practice locations (1)

  • 1701 N Senate Blvd, Indianapolis, IN 46202-1239 — (888) 484-3258

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 01040211A (IN)

Record details

NPI number1801897236
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2005
Last updated in NPPESFebruary 24, 2025
Certification dateFebruary 24, 2025

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