Donald Tanis, M.D.
Adult Congenital Heart Disease Physician · Chicago, IL
Donald Tanis, M.D. is an adult congenital heart disease physician with a practice address in Chicago, Illinois, and NPI 1902822158, issued on Jul 14, 2006. Check the license (Illinois 036083772, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Donald Tanis
- Credential
- M.D.
- Primary taxonomy
- Adult Congenital Heart Disease Physician 207RA0002X
- License numbers
- 036083772 IL
036-083772 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1725 W Harrison St, Chicago, IL 60612
- Phone
- (312) 942-5020
- Enumerated
- Jul 14, 2006
- Record last updated
- Apr 22, 2026
- Fax
- (312) 942-4039
- Medicare enrollment
- Enrolled (PECOS I20100420001031); accepts Medicare assignment
- Entity
- Type 1 · individual
2 nearest adult congenital heart disease physician records → All 3 in Illinois → Look up another NPI →
Also registered at 1725 W Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Qurrat-Ul-Ain Abid, MDHospice and Palliative Medicine (Internal Medicine) Physician1053949024
- John Acheson, MDSurgery Physician1205528726
- David Agbunag, PA-CSurgical Physician Assistant1093885188
- Eda Akyar, MDSports Medicine (Family Medicine) Physician1255910006
- Jorelle Alexander, DMD,MPHDentist1972790756
- Amjad Ali, M.D.Specialist1952359184
Verify Donald Tanis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036083772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average adult congenital heart disease physician in 2024
583 Medicare Part D claims for 118 beneficiaries, against an average of 462 among the 117 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Amlodipine Besylate56 claims
- Carvedilol50 claims
- Metoprolol Succinate48 claims
- Eliquis33 claims
- Atorvastatin Calcium28 claims
- Clopidogrel22 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: $45.35
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 60 providers of this specialty with any payment received $1,824.16 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.
One hospital affiliation
- Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Adult Congenital Heart Disease Physician providers in Illinois
There are 3 adult congenital heart disease physician records in Illinois.
All 3 in Illinois → Every provider in Chicago → Adult Congenital Heart Disease Physician nationwide →
The 2 adult congenital heart disease physician records with the nearest ZIP codes
- Ibett Colina Garcia, M.D.Oak Lawn, IL 604531508249723
- Subir Shah, D.O.Maywood, IL 601531194042242
Common questions
What is Donald Tanis, M.D.'s NPI number?
Donald Tanis, M.D.'s National Provider Identifier (NPI) is 1902822158, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Tanis, M.D. located?
The NPPES record lists a practice address at 1725 W Harrison St, Chicago, IL, 60612. Phone: (312) 942-5020. Providers update this record themselves, so call before visiting.
How can I verify Donald Tanis, M.D.'s license?
NPPES lists Illinois license number 036083772, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald Tanis, M.D. prescribe under Medicare Part D?
In 2024, Donald Tanis, M.D. had 583 Medicare Part D claims for 118 beneficiaries; the average among adult congenital heart disease physician prescribers was 462. 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.