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

Chad Achenbach, MD

Individual provider Infectious Disease Physician · NPI 1548278674

Chad Achenbach, MD is an Infectious Disease in Chicago, Illinois. Graduated from Northwestern University Feinberg Medical School in 2002, 24 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Washington.

Years since qualifying
24
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL, WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

645 N Michigan Ave Ste 900
Chicago, IL 60611-2826
Phone: (312) 695-5090
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 036-111770 (IL)
Infectious Disease Physician Taxonomy 207RI0200X · Licence MD00046399 (WA)

Record details

NPI number1548278674
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 4, 2006
Last updated in NPPESJuly 13, 2009
Mailing address645 N Michigan Ave, Suite 900, Chicago, IL 60611-2826

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2002 (24 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations9 on file with Medicare

Other providers in Chicago