Dr. Eli Grunblatt, MD, PhD
- Part D claims, 2024
- 64
- Hospital affiliations
- 1
- Industry payments
- $134
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Grunblatt'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. Eli Grunblatt is an internist in Winfield, Illinois
Dr. Grunblatt practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Grunblatt's NPI, 1558010413, was assigned on March 19, 2022. Dr. Grunblatt holds Illinois license 125080496.
- NPI
- 1558010413NPI Registry (opens in a new tab)
- NPI enumeration date
- March 19, 2022
- NPI status
- Active
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Eli Grunblatt practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Grunblatt's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Dr. Eli Grunblatt is affiliated with 3 sites of care
Dr. Grunblatt's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Grunblatt to 1 breast imaging center and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eli Grunblatt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grunblatt practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eli Grunblatt is one of 5,652 internists in Illinois
Internal medicine is Dr. Grunblatt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grunblatt is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Grunblatt
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Eli Grunblatt's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Grunblatt's median patient age at 69, with 67% women.
Dr. Grunblatt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Eli Grunblatt wrote 64 Medicare Part D claims in 2024
In 2024, Dr. Grunblatt wrote 64 Medicare Part D claims for 21 patients. 95% of them were for generic drugs.
Dr. Grunblatt's Part D claims by kind of drug, 2024
- Generic61 claims95%
- Brand-name and other3 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Eli Grunblatt received $134 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Grunblatt from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $134.
Companies that paid Dr. Grunblatt the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Eli Grunblatt'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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. Eli Grunblatt
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. Eli Grunblatt's NPI number?
Dr. Eli Grunblatt's NPI number is 1558010413. It was assigned on March 19, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Eli Grunblatt?
Dr. Eli Grunblatt is an internist in Winfield, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Eli Grunblatt practice?
Dr. Grunblatt practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Grunblatt's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Grunblatt to 1 breast imaging center and 1 clinical lab.
What is Dr. Eli Grunblatt's office phone number?
The practice phone on file for Dr. Grunblatt is (630) 682-1600.
What is Dr. Eli Grunblatt's medical license number?
Dr. Grunblatt holds Illinois license 125080496.
Which hospitals is Dr. Eli Grunblatt affiliated with?
Dr. Grunblatt practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois.
Has Dr. Eli Grunblatt received payments from drug or device companies?
CMS Open Payments shows $134 in general payments to Dr. Grunblatt from 1 company from 2025 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Eli Grunblatt been practicing?
Dr. Grunblatt's NPI was assigned in 2022.
Selling to internal medicine practices?
See internists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card