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

Dru Mahon Douglas Claar, MD

Individual provider Internal Medicine Physician · NPI 1427314434

Dru Mahon Douglas Claar, MD is a Pulmonary Disease in Ann Arbor, Michigan. Graduated from Medical College of Wisconsin in 2012, 14 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
14
Trained at
Medical College of Wisconsin
Licensed in
MI
In the registry since
2012
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 →

Practice location Address checks out

1500 E Medical Center Dr 3rd Fl Taubman Center Recp C
Ann Arbor, MI 48109-5360
Phone: (734) 647-9342
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 4301106939 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301106939 (MI)

Record details

NPI number1427314434
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2012
Last updated in NPPESDecember 7, 2018

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2012 (14 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations13 on file with Medicare

Other providers in Ann Arbor