Dr. Mamdouh Latif Ishak, MD
- Medicare services, 2016
- 458
- Part D claims, 2024
- 73
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 2650 Ridge Ave, Evanston, IL 60201
- Practice phone
- Call (847) 570-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ishak'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. Mamdouh Latif Ishak is an internist in Evanston, Illinois
Dr. Ishak practices at Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
Dr. Ishak's NPI, 1275612343, was assigned on November 2, 2006. Dr. Ishak holds Illinois license 036041272.
- NPI
- 1275612343NPI Registry (opens in a new tab)
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Practice phone
- (847) 570-2000
- 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. Mamdouh Latif Ishak practices at Evanston Hospital in Evanston, Illinois
Dr. Ishak's primary practice is Evanston Hospital, at 2650 Ridge Ave, Evanston, IL 60201 in Cook County. The practice phone is (847) 570-2000.
- Evanston Hospital2650 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 570-2000
Source: Dmand AI Affiliation Data
Dr. Mamdouh Latif Ishak is affiliated with 2 sites of care
Dr. Ishak's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dmand AI also links Dr. Ishak to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mamdouh Latif Ishak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ishak practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evanston Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mamdouh Latif Ishak is one of 5,652 internists in Illinois
Internal medicine is Dr. Ishak's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ishak is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Ishak
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. Mamdouh Latif Ishak billed Medicare for 458 services in 2016
CMS data shows 458 Medicare services from Dr. Ishak across 5 procedure codes in 2016. Medicare paid $24,131 for them. Every service was in an office.
Dr. Ishak's Medicare services by type, 2016
- Office and hospital visits386
- Tests and treatments27
- Other services27
- Lab and pathology18
Dr. Ishak compared with the Illinois median for internists, 2016
- Dr. Ishak
- Illinois median
- Medicare services
- 458vs 56619% below
- Part D claims
- 14vs 28495% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Ishak's most billed Medicare procedure codes, 2016
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. Ishak and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mamdouh Latif Ishak's patients have a median age of 82
Across all payers, Dmand AI patient panel data puts Dr. Ishak's median patient age at 82, with 67% women.
Dr. Ishak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 82
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Mamdouh Latif Ishak wrote 73 Medicare Part D claims in 2024
In 2024, Dr. Ishak wrote 73 Medicare Part D claims. 73% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $832 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Ishak's Part D claims by kind of drug, 2024
- Generic53 claims73%
- Brand-name and other20 claims27%
Dr. Ishak'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 1427%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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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Sources for Dr. Mamdouh Latif Ishak'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 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 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) |
| 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. Mamdouh Latif Ishak
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. Mamdouh Latif Ishak's NPI number?
Dr. Mamdouh Latif Ishak's NPI number is 1275612343. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mamdouh Latif Ishak?
Dr. Mamdouh Latif Ishak is an internist in Evanston, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mamdouh Latif Ishak practice?
Dr. Ishak practices at 2650 Ridge Ave, Evanston, IL 60201. Dr. Ishak's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dmand AI also links Dr. Ishak to 1 physician office.
What is Dr. Mamdouh Latif Ishak's office phone number?
The practice phone on file for Dr. Ishak is (847) 570-2000.
What is Dr. Mamdouh Latif Ishak's medical license number?
Dr. Ishak holds Illinois license 036041272.
Which hospitals is Dr. Mamdouh Latif Ishak affiliated with?
Dr. Ishak practices at Evanston Hospital in Evanston, Illinois.
Does Dr. Mamdouh Latif Ishak accept Medicare?
Yes. CMS data shows Dr. Ishak billed Medicare for 458 services in 2016.
What services does Dr. Mamdouh Latif Ishak bill to Medicare?
In 2016, Dr. Ishak's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and heart test or procedure (93000).
What drugs does Dr. Mamdouh Latif Ishak prescribe most?
In 2024 Medicare Part D data, Dr. Ishak's most prescribed drugs by claims were Lantus.
How long has Dr. Mamdouh Latif Ishak been practicing?
Dr. Ishak's NPI was assigned in 2006.
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