Dr. Nader E. Guma, MD, MPH
- Part D claims, 2024
- 108
- Hospital affiliations
- 1
- Industry payments
- $141
- Medical groups
- 3
- State licenses
- 2
- Practice address
- 2525 S Michigan Ave, Chicago, IL 60616
- Practice phone
- Call (312) 567-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Guma's professional email, personal email and mobile number
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Dr. Nader E. Guma is an internist in Chicago, Illinois
Dr. Guma practices at Insight Hospital & Medical Center Chicago in Chicago, Illinois, part of Insight Hospital & Medical Center Chicago.
Dr. Guma's NPI, 1295447662, was assigned on December 19, 2022. Dr. Guma holds Illinois license 036177007.
- NPI
- 1295447662NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587027008
- NPI enumeration date
- December 19, 2022
- NPI status
- Active
- Practice phone
- (312) 567-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nader E. Guma practices at Insight Hospital & Medical Center Chicago in Chicago, Illinois
Dr. Guma's primary practice is Insight Hospital & Medical Center Chicago, at 2525 S Michigan Ave, Chicago, IL 60616 in Cook County. The practice phone is (312) 567-2000.
- Insight Hospital & Medical Center Chicago2525 S Michigan Ave, Chicago, IL 60616 · Cook CountyPhone(312) 567-2000
Source: Dmand AI Affiliation Data
Dr. Nader E. Guma is affiliated with 1 site of care and 3 medical groups
Dr. Guma's primary practice is Insight Hospital & Medical Center Chicago in Chicago, Illinois, part of Insight Hospital & Medical Center Chicago. The medical group on file is Insight Hospital & Medical Center Chicago. Dmand AI also links Dr. Guma to 2 more medical groups, 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. Nader E. Guma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guma practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Insight Hospital & Medical Center Chicago | Available with a free account |
| +2 medical groups | 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 Insight Hospital & Medical Center Chicago and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nader E. Guma is one of 5,652 internists in Illinois
Internal medicine is Dr. Guma's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Guma's licenses on file in 2 states: Illinois and Indiana.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
- Indiana license
Internists near Dr. Guma
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. Nader E. Guma's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Guma's median patient age at 76, with 63% women.
Dr. Guma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women63%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Nader E. Guma wrote 108 Medicare Part D claims in 2024
In 2024, Dr. Guma wrote 108 Medicare Part D claims for 32 patients. 84% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $50 in total drug cost.
Dr. Guma's Part D claims by kind of drug, 2024
- Generic91 claims84%
- Brand-name17 claims16%
Dr. Guma's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Dr. Nader E. Guma received $141 in industry payments in 2025
CMS Open Payments shows 5 general payments to Dr. Guma from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $78.
Companies that paid Dr. Guma 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. Nader E. Guma'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 and Drug (CMS) (opens in a new tab)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. Nader E. Guma
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 E. Guma's NPI number?
Dr. Nader E. Guma's NPI number is 1295447662. It was assigned on December 19, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Nader E. Guma?
Dr. Nader E. Guma is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nader E. Guma practice?
Dr. Guma practices at 2525 S Michigan Ave, Chicago, IL 60616. Dr. Guma's primary practice is Insight Hospital & Medical Center Chicago in Chicago, Illinois, part of Insight Hospital & Medical Center Chicago. Dmand AI also links Dr. Guma to 2 medical groups.
What is Dr. Nader E. Guma's office phone number?
The practice phone on file for Dr. Guma is (312) 567-2000.
What is Dr. Nader E. Guma's medical license number?
Dr. Guma holds Illinois license 036177007, one of the licenses on file in 2 states.
Which states has Dr. Nader E. Guma been licensed in?
Dmand AI has state licenses on file for Dr. Guma in Illinois and Indiana.
Which hospitals is Dr. Nader E. Guma affiliated with?
Dr. Guma practices at Insight Hospital & Medical Center Chicago in Chicago, Illinois.
What medical group is Dr. Nader E. Guma part of?
Dr. Guma is linked to Insight Hospital & Medical Center Chicago. Dmand AI links Dr. Guma to 2 more medical groups.
What drugs does Dr. Nader E. Guma prescribe most?
In 2024 Medicare Part D data, Dr. Guma's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Nader E. Guma received payments from drug or device companies?
CMS Open Payments shows $141 in general payments to Dr. Guma from 4 companies from 2025 to 2025. The largest total came from Abiomed.
How long has Dr. Nader E. Guma been practicing?
Dr. Guma graduated from medical school in 2005, 21 years ago.
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