Nader Ismail, DO
Nephrology Physician · Merrillville, IN
Nader Ismail, DO is a nephrology physician with a practice address in Merrillville, Indiana, and NPI 1689135618, issued on Mar 31, 2019. Check the license (Indiana 02007817A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Nader Ismail
- Credential
- DO
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 02007817A IN
036.161002 IL
Self-reported in NPPES; status is on the state search - Practice location
- 90 W 86TH Ave, Merrillville, IN 46410
- Phone
- (219) 791-1555
- Enumerated
- Mar 31, 2019
- Record last updated
- Jun 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20240502002113); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 90 W 86TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yves Frantz Brignol, MBA/HA, CMCNephrology Physician1396742748
- Cindy Chapman, NURSE PRACTITIONERFamily Nurse Practitioner1104410968
- Kenneth Choi, MDNephrology Physician1619098571
- Rafael Fletes, M.D.Nephrology Physician1952306466
- Sandra Gadson, MDNephrology Physician1841297348
- Thomas Golubski, MDNephrology Physician1639176118
Verify Nader Ismail in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02007817ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average nephrology physician in 2024
71 Medicare Part D claims for 41 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of 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: $226.18
9 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Nephrology Associates OF Northern Indiana PCMerrillville, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 nephrology physician records list a practice address in Merrillville
They are 19 of the 1,972 NPPES records with a practice address in Merrillville, and 265 nephrology physician records in Indiana.
All 19 in Merrillville → All 265 in Indiana → Every provider in Merrillville →
Other nephrology physician records in Indiana
- Nabigha Abdul BakiIndianapolis, IN1689357832
- Raied Abdullah, M.D.Gary, IN1063417657
- Stuart Abramson, MDIndianapolis, IN1821097148
- Roulan Abu HweijDanville, IN1942676069
- Oluwafisayo Adebiyi, MDIndianapolis, IN1376869032
- Narothama Reddy Aeddula, MDEvansville, IN1255581641
- Gaurav Agarwal, MDMerrillville, IN1033432109
- Rajiv Agarwal, M.D.Indianapolis, IN1154386258
- Vikas Agrawal, MBBSIndianapolis, IN1538560586
- Maher Ajam, M.D.Merrillville, IN1548265135
Common questions
What is Nader Ismail, DO's NPI number?
Nader Ismail, DO's National Provider Identifier (NPI) is 1689135618, issued on Mar 31, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nader Ismail, DO located?
The NPPES record lists a practice address at 90 W 86TH Ave, Merrillville, IN, 46410. Phone: (219) 791-1555. Providers update this record themselves, so call before visiting.
How can I verify Nader Ismail, DO's license?
NPPES lists Indiana license number 02007817A, 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 Nader Ismail, DO prescribe under Medicare Part D?
In 2024, Nader Ismail, DO had 71 Medicare Part D claims for 41 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.