Osama Mannan Siddiqui

  • Evanston, IL
  • Internist
NPI1225512270PAC ID8921467986
Part D claims, 2024
73
Publications
6
Hospital affiliations
1
Industry payments
$130
Medical group
1
Practice address
2650 Ridge Ave, Evanston, IL 60201
Practice phone
Call (847) 570-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Evanston Hospital

Hospital · Evanston, Illinois

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Osama Mannan Siddiqui is an internist in Evanston, Illinois

Osama Siddiqui practices at Evanston Hospital in Evanston, Illinois, part of Endeavor Health.

Osama Siddiqui's NPI, 1225512270, was assigned on September 15, 2018. Osama Siddiqui graduated from Northwestern University Feinberg Medical School in 2023. Osama Siddiqui holds Illinois license 125.081278.

NPI and contact details
Medicare PAC ID
8921467986
NPI enumeration date
September 15, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(847) 570-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
29
Medical school graduation
2023

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Osama Mannan Siddiqui practices at Evanston Hospital in Evanston, Illinois

Osama Siddiqui's primary practice is Evanston Hospital, at 2650 Ridge Ave, Evanston, IL 60201 in Cook County. The practice phone is (847) 570-2000.

  • Evanston Hospital
    2650 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 570-2000

Source: Dmand AI Affiliation Data

Osama Mannan Siddiqui is affiliated with 1 site of care and 1 medical group

Osama Siddiqui's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. The medical group on file is Endeavor Health Medical Group.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Osama Mannan Siddiqui's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Osama Siddiqui practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Evanston HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Osama Mannan Siddiqui is one of 5,652 internists in Illinois

Internal medicine is Osama Siddiqui's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Osama Siddiqui is licensed in Illinois.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 125.081278 · taxonomy 207R00000X

Internists near Osama Siddiqui

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

Osama Mannan Siddiqui's patients have a median age of 65

Across all payers, Dmand AI patient panel data puts Osama Siddiqui's median patient age at 65, with 55% women.

Osama Siddiqui's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women55%
  • Men45%

Source: Dmand AI Patient Panel Data

Osama Mannan Siddiqui wrote 73 Medicare Part D claims in 2024

In 2024, Osama Siddiqui wrote 73 Medicare Part D claims for 30 patients. 92% of them were for generic drugs.

Part D claims, 202473
Part D patients30

Osama Siddiqui's Part D claims by kind of drug, 2024

  • Generic67 claims92%
  • Brand-name and other6 claims8%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Osama Mannan Siddiqui takes part in Medicare

Osama Siddiqui 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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Osama Mannan Siddiqui has 6 publications on record

Dmand AI links 6 papers to Osama Siddiqui, published from 2021 to 2024. 2023 was the busiest year, with 2. The most frequent topics are Liver Cirrhosis, Liver Transplantation and End Stage Liver Disease. Osama Siddiqui has published most often in Transplantation. Osama Siddiqui's most frequent co-authors are Daniela P. Ladner, MD, Avesh Joseph Thuluvath, MD and Zachary C. Dietch.

Papers6
Years published2021 to 2024

Osama Siddiqui's papers by year, 2021 to 2024

Topics Osama Siddiqui writes about most

  • Liver Cirrhosis
  • Liver Transplantation
  • End Stage Liver Disease
  • Frailty

Osama Siddiqui's most frequent co-authors

Recent publications by Osama Siddiqui

See all 6 publications and co-authors

See who Osama Siddiqui researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Osama Siddiqui works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Osama Mannan Siddiqui received $130 in industry payments from 2023 to 2025

CMS Open Payments shows 5 general payments to Osama Siddiqui from 4 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Caris MPI, Inc. paid the most, $60.

General payments to Osama Siddiqui by program year, 2023 to 2025

Companies that paid Osama Siddiqui the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Osama Siddiqui

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Osama Mannan Siddiqui graduated from Northwestern University Feinberg Medical School

Osama Siddiqui graduated from Northwestern University Feinberg Medical School in 2023.

  1. Medical schoolNorthwestern University Feinberg Medical School

Source: Dmand AI Professional Profile Data

Sources for Osama Mannan Siddiqui's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Osama Mannan Siddiqui

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Osama Mannan Siddiqui's NPI number?

Osama Mannan Siddiqui's NPI number is 1225512270. It was assigned on September 15, 2018, and it is active in the NPI Registry.

What does Osama Mannan Siddiqui specialize in?

Osama Mannan Siddiqui is an internist in Evanston, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Osama Mannan Siddiqui practice?

Osama Siddiqui practices at 2650 Ridge Ave, Evanston, IL 60201. Osama Siddiqui's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health.

What is Osama Mannan Siddiqui's office phone number?

The practice phone on file for Osama Siddiqui is (847) 570-2000.

What is Osama Mannan Siddiqui's medical license number?

Osama Siddiqui holds Illinois license 125.081278.

Which hospitals is Osama Mannan Siddiqui affiliated with?

Osama Siddiqui practices at Evanston Hospital in Evanston, Illinois.

What medical group is Osama Mannan Siddiqui part of?

Osama Siddiqui is linked to Endeavor Health Medical Group.

Does Osama Mannan Siddiqui accept Medicare?

Yes. CMS lists Osama Siddiqui as accepting Medicare assignment.

Where did Osama Mannan Siddiqui go to medical school?

Osama Siddiqui graduated from Northwestern University Feinberg Medical School in 2023.

Has Osama Mannan Siddiqui received payments from drug or device companies?

CMS Open Payments shows $130 in general payments to Osama Siddiqui from 4 companies from 2023 to 2025. The largest total came from Caris MPI, Inc.

Show 3 more questionsShow fewer questions

How long has Osama Mannan Siddiqui been practicing?

Osama Siddiqui graduated from medical school in 2023, 3 years ago.

Does Osama Mannan Siddiqui do research?

Dmand AI links 6 publications to Osama Siddiqui, published from 2021 to 2024.

Who does Osama Mannan Siddiqui publish with?

Osama Siddiqui's most frequent co-authors are Daniela P. Ladner, MD (6 shared papers), Avesh Joseph Thuluvath, MD (6 shared papers) and Zachary C. Dietch (3 shared papers).

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