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

Alexander Legenbauer, DO

Individual provider Psychiatry Physician · NPI 1841827847

Alexander Legenbauer, DO is a Psychiatry in Harrisburg, Illinois. Qualified in 2020, 6 years ago. Practices with Harrisburg Medical Center Inc, a 19-clinician group, works from 8 locations, accepts Medicare assignment and offers telehealth. Licensed in Florida and Illinois.

Years since qualifying
6
Licensed in
FL, IL
In the registry since
2020
Specialties on file
2
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

100 Dr Warren Tuttle Dr
Harrisburg, IL 62946-2718
Phone: (618) 252-0999
Fax: (618) 252-2032
Show map & directions

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

Additional practice locations (7)

  • 1147 Nw 64th Ter, Gainesville, FL 32605-4218 — (352) 333-5982
  • 2601 W Main St, Carbondale, IL 62901-1031 — (618) 549-5361
  • 405 W Jackson St, Carbondale, IL 62901-1467 — (618) 998-0888
  • 1007 Us Highway 45 N, Eldorado, IL 62930-3767 — (618) 273-7723
  • 201 S 14th St, Herrin, IL 62948-3631 — (618) 998-0888
  • 3106 Outer Dr, Marion, IL 62959-5270 — (618) 997-4332
  • 2 S Hospital Dr, Murphysboro, IL 62966-3333 — (618) 998-0888

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 036170886 (IL)
Psychiatry Physician Taxonomy 2084P0800X · Licence UO7009 (FL)

Record details

NPI number1841827847
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 27, 2020
Last updated in NPPESJune 10, 2025
Certification dateJune 10, 2025
Mailing addressPo Box 3988, Carbondale, IL 62902-3988

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Harrisburg Medical Center Inc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Harrisburg