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

Douglas Adam Mills, DO

Individual provider Internal Medicine Physician · NPI 1043519481

Douglas Adam Mills, DO is a Gastroenterology in Park Ridge, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2011, 15 years ago. Practices with Texas Digestive Disease Consultants, PLLC, a 615-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
15
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2011
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.

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Practice location Address checks out

1775 W Dempster St 8 S
Park Ridge, IL 60068-1143
Phone: (847) 723-5871
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125.059684 (IL)

Record details

NPI number1043519481
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 24, 2011
Last updated in NPPESJuly 4, 2011
Mailing address1775 W Dempster St, 8 South, Park Ridge, IL 60068-1143

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 2011 (15 years in practice)
Group practice Texas Digestive Disease Consultants, Pllc — 615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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