Dru Mahon Douglas Claar, MD
Pulmonary Disease Physician · Ann Arbor, MI
Dru Mahon Douglas Claar, MD is a pulmonary disease physician with a practice address in Ann Arbor, Michigan, and NPI 1427314434, issued on Apr 3, 2012. Check the license (Michigan 4301106939, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Dru Mahon Douglas Claar
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 4301106939 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 East Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 647-9342
- Enumerated
- Apr 3, 2012
- Record last updated
- Dec 7, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170321000229); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2012
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 526 in Michigan → Look up another NPI →
Also registered at 1500 East Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Adams, MBBSAnesthesiology Physician1346484417
- Gaury Adhikary, MDAnesthesiology Physician1629094297
- Jeremy Adler, MDPediatric Gastroenterology Physician1033243191
Verify Dru Mahon Douglas Claar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301106939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dru Mahon Douglas Claar among 526 pulmonary disease physician records in Michigan
Dru Mahon Douglas Claar, MD is one of 526 pulmonary disease physician records with a practice address in Michigan. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 70% of them.
- NPI issued2012 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2012 · median 2004 among the 389 with a school on file
- Record last updated2018 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Michigan
There are 526 pulmonary disease physician records in Michigan.
All 526 in Michigan → Every provider in Ann Arbor → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Douglas Arenberg, MDAnn Arbor, MI 481091043392954
- Timothy Blackwell, MDAnn Arbor, MI 481091649379074
- Paul Christensen, MDAnn Arbor, MI 481091619058765
- Michael Coffey, MDAnn Arbor, MI 481091104908011
- Colin Cooke, MDAnn Arbor, MI 481091912011495
- Jane Deng, MDAnn Arbor, MI 481091891720520
- Kevin Flaherty, MDAnn Arbor, MI 481091831271741
- Steven Gay, MDAnn Arbor, MI 481091740362656
Common questions
What is Dru Mahon Douglas Claar, MD's NPI number?
Dru Mahon Douglas Claar, MD's National Provider Identifier (NPI) is 1427314434, issued on Apr 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Dru Mahon Douglas Claar, MD located?
The NPPES record lists a practice address at 1500 East Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 647-9342. Providers update this record themselves, so call before visiting.
How can I verify Dru Mahon Douglas Claar, MD's license?
NPPES lists Michigan license number 4301106939, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.