Donald Robert Westerhausen, MD
Pulmonary Disease Physician · Mishawaka, IN
Donald Robert Westerhausen, MD is a pulmonary disease physician with a practice address in Mishawaka, Indiana, and NPI 1437491974, issued on Mar 22, 2013. Check the license (Indiana 01076759A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Donald Robert Westerhausen
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 01076759A IN
125.063787 IL
Self-reported in NPPES; status is on the state search - Practice location
- 611 E Douglas RD Ste 309, Mishawaka, IN 46545
- Phone
- (574) 335-6900
- Enumerated
- Mar 22, 2013
- Record last updated
- Aug 7, 2023
- Fax
- (574) 335-0854
- Medicare enrollment
- Enrolled (PECOS I20190522002386); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 280 in Indiana → Look up another NPI →
Also registered at 611 E Douglas RD Ste 309
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Doepker, NPFamily Nurse Practitioner1093364259
- Paul Guentert, M.D.Pulmonary Disease Physician1255316782
- Mohammad Haidous, MDInfectious Disease Physician1245849892
- Can Talug, M.D.Urology Physician1972708535
Verify Donald Robert Westerhausen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01076759ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
798 Medicare Part D claims for 164 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Trelegy Ellipta158 claims
- Albuterol Sulfate Hfa147 claims
- Breztri Aerosphere62 claims
- Prednisone48 claims
- Azithromycin26 claims
- Spiriva Respimat26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $6,895.89
79 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Saint Joseph Regional Medical Center IncMishawaka, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Robert Westerhausen among 280 pulmonary disease physician records in Indiana
Donald Robert Westerhausen, MD is one of 280 pulmonary disease physician records with a practice address in Indiana. 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 2013, is newer than 80% of them.
- NPI issued2013 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2013 · median 2000 among the 219 with a school on file
- Record last updated2023 · 42% 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 Indiana 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 Indiana
There are 280 pulmonary disease physician records in Indiana.
All 280 in Indiana → Every provider in Mishawaka → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Paul Guentert, M.D.Mishawaka, IN 465451255316782
- Thomas Lavelle, M.D.Granger, IN 465301770599599
- Muhammad Bostaji, M.D.Goshen, IN 465261609875046
- Kenneth Gammon, M.D.Elkhart, IN 465141528061447
- Ayodeji Harris-Eze, M.D.Elkhart, IN 465141396748273
- Kamran Javaid, M.D.Elkhart, IN 465141306030648
- O'Dene Lewis, M.B.,B.SElkhart, IN 465141083909089
- Myrna Orbana, M.D.Elkhart, IN 465141588776819
Common questions
What is Donald Robert Westerhausen, MD's NPI number?
Donald Robert Westerhausen, MD's National Provider Identifier (NPI) is 1437491974, issued on Mar 22, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Donald Robert Westerhausen, MD located?
The NPPES record lists a practice address at 611 E Douglas RD Ste 309, Mishawaka, IN, 46545. Phone: (574) 335-6900. Providers update this record themselves, so call before visiting.
How can I verify Donald Robert Westerhausen, MD's license?
NPPES lists Indiana license number 01076759A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald Robert Westerhausen, MD prescribe under Medicare Part D?
In 2024, Donald Robert Westerhausen, MD had 798 Medicare Part D claims for 164 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
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.