Antimicrob Steward Healthc Epidemiol
Dr. Nader Ismail, DO
NPI1689135618PAC ID2163862582
- Medicare services, 2024
- 774
- Medicare patients, 2024
- 246
- Part D claims, 2024
- 71
- Publications
- 2
- Hospital affiliations
- 6
- Practice address
- 90 W 86th Ave, Merrillville, IN 46410
- Practice phone
- Call (260) 494-3484
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nephrology Associates of Northern Indiana, Inc
Merrillville, Indiana
Find Dr. Ismail's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nader Ismail is a nephrologist in Merrillville, Indiana
Dr. Ismail practices at Nephrology Associates of Northern Indiana, Inc in Merrillville, Indiana.
Dr. Ismail's NPI, 1689135618, was assigned on March 31, 2019. Dr. Ismail holds Indiana license 02007817A.
NPI and contact details
- NPI
- 1689135618NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163862582
- NPI enumeration date
- March 31, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (260) 494-3484
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nader Ismail practices at Nephrology Associates of Northern Indiana, Inc in Merrillville, Indiana
Dr. Ismail's primary practice is Nephrology Associates of Northern Indiana, Inc, at 90 W 86th Ave, Merrillville, IN 46410 in Lake County. The practice phone is (260) 494-3484.
- Nephrology Associates of Northern Indiana, Inc90 W 86th Ave, Merrillville, IN 46410 · Lake CountyPhone(260) 494-3484
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nader Ismail is affiliated with 10 sites of care and 2 medical groups
Dr. Ismail's primary practice is Nephrology Associates of Northern Indiana, Inc in Merrillville, Indiana. Dr. Ismail is also affiliated with Community Hospital. The medical group on file is Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI also links Dr. Ismail to 5 more hospitals, 2 group practices and clinics, 1 dialysis center and 1 medical group, each named with a free account.
Nephrology Associates of Northern Indiana, IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nader Ismail's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ismail practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nephrology Associates of Northern Indiana, Inc | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nader Ismail is one of 197 nephrologists in Indiana
Nephrology is Dr. Ismail's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Ismail's licenses on file in 2 states: Indiana and Illinois.
Specialties and state licenses
- Nephrology, IndianaPrimary
- Illinois license
Nephrologists near Dr. Ismail
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
197nephrologists in Indiana
7nephrologists in Merrillville
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nader Ismail billed Medicare for 774 services in 2024
CMS data shows 774 Medicare services from Dr. Ismail across 8 procedure codes in 2024, for 246 Medicare patients. Medicare paid $51,992 for them.
Medicare services, 2024774
Medicare patients246
Paid by Medicare$51,992
Procedure codes8
Dr. Ismail's Medicare services by type, 2024
- Office and hospital visits722
- Other services52
Where Dr. Ismail's Medicare services took place, 2024
- In an office14218%
- In a facility63282%
Dr. Ismail compared with the Indiana median for nephrologists, 2024
- Dr. Ismail
- Indiana median
- Medicare services
- 774vs 91916% below
- Medicare patients
- 246vs 34228% below
- Part D claims
- 36vs 82396% below
Medians across 204 nephrologists in Indiana with Dmand AI profiles that report each measure.
Dr. Ismail's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ismail and other nephrologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nader Ismail treated 246 Medicare patients in 2024, average age 76
CMS counts 246 Medicare patients who saw Dr. Ismail in 2024. The largest group is 75 to 84, with 92 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 2.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ismail's median patient age at 72, with 44% women.
Medicare patients, 2024246
Average age76
Average risk score2.90
Also on Medicaid18%
Dr. Ismail's Medicare patients by age, 2024
Dr. Ismail's Medicare patients by sex, 2024
- Women12952%
- Men11748%
Chronic conditions among Dr. Ismail's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes59%
- Ischemic heart disease58%
- Heart failure56%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ismail's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women44%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nader Ismail wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Ismail wrote 71 Medicare Part D claims for 41 patients. 77% of them were for generic drugs. CMS names the drug for 36 of them, across 3 drugs with 11 or more claims each, at $309 in total drug cost. In 2021, CMS named 35 claims across 2 drugs.
Part D claims, 202471
Drugs named by CMS3
Total drug cost$309
Part D patients41
Dr. Ismail's Part D claims by kind of drug, 2024
- Generic55 claims77%
- Brand-name16 claims23%
Dr. Ismail's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 352022: 363%
Drugs named by CMS: 3 in 2022, 2 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Nader Ismail takes part in Medicare
Dr. Ismail accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nader Ismail has 2 publications on record
Dmand AI links 2 papers to Dr. Ismail, published from 2023 to 2024. Dr. Ismail's most frequent co-authors are Mary Ellen Acree, MD and Menaka Sarav, MD.
Papers2
Years published2023 to 2024
Dr. Ismail's most frequent co-authors
Recent publications by Dr. Ismail
See who Dr. Ismail researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ismail works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nader Ismail received $1,536 in industry payments from 2023 to 2025
CMS Open Payments shows 66 general payments to Dr. Ismail from 23 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $196.
General payments to Dr. Ismail by program year, 2023 to 2025
General payments to Dr. Ismail by kind, 2023 to 2025
$1.5Kin total
- Food and beverage$1,51699%
- Education$211%
Companies that paid Dr. Ismail the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nader Ismail's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nader Ismail
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nader Ismail's NPI number?
Dr. Nader Ismail's NPI number is 1689135618. It was assigned on March 31, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Nader Ismail?
Dr. Nader Ismail is a nephrologist in Merrillville, Indiana. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Nader Ismail practice?
Dr. Ismail practices at 90 W 86th Ave, Merrillville, IN 46410. Dr. Ismail's primary practice is Nephrology Associates of Northern Indiana, Inc in Merrillville, Indiana. Dmand AI also links Dr. Ismail to 5 hospitals, 2 group practices and clinics, 1 dialysis center and 1 medical group.
What is Dr. Nader Ismail's office phone number?
The practice phone on file for Dr. Ismail is (260) 494-3484.
What is Dr. Nader Ismail's medical license number?
Dr. Ismail holds Indiana license 02007817A, one of the licenses on file in 2 states.
Which states has Dr. Nader Ismail been licensed in?
Dmand AI has state licenses on file for Dr. Ismail in Indiana and Illinois.
Which hospitals is Dr. Nader Ismail affiliated with?
Dr. Ismail is affiliated with Community Hospital. Dmand AI links Dr. Ismail to 5 more hospitals.
What medical group is Dr. Nader Ismail part of?
Dr. Ismail is linked to Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI links Dr. Ismail to 1 more medical group.
Does Dr. Nader Ismail accept Medicare?
Yes. CMS data shows Dr. Ismail billed Medicare for 774 services in 2024, and Dr. Ismail accepts Medicare assignment.
How many Medicare patients does Dr. Nader Ismail see?
CMS counts 246 Medicare patients who saw Dr. Ismail in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. Nader Ismail bill to Medicare?
In 2024, Dr. Ismail's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99222).
What drugs does Dr. Nader Ismail prescribe most?
In 2022 Medicare Part D data, Dr. Ismail's most prescribed drugs by claims were Atorvastatin Calcium, Carvedilol and Lisinopril.
Has Dr. Nader Ismail received payments from drug or device companies?
CMS Open Payments shows $1,536 in general payments to Dr. Ismail from 23 companies from 2023 to 2025. The largest total came from Amgen Inc.
How long has Dr. Nader Ismail been practicing?
Dr. Ismail graduated from medical school in 2019, 7 years ago.
Does Dr. Nader Ismail do research?
Dmand AI links 2 publications to Dr. Ismail, published from 2023 to 2024.
Who does Dr. Nader Ismail publish with?
Dr. Ismail's most frequent co-authors are Mary Ellen Acree, MD (1 shared paper) and Menaka Sarav, MD (1 shared paper).
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