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Internal Medicine

Marissa C. Jama

Works at hospitals in Winfield, IL · Geneva, IL · Dekalb, IL … · Illinois

Summary

Marissa C. Jama (Internal Medicine) is listed by Medicare at 4 hospitals in Winfield, IL, Geneva, IL and Dekalb, IL and other places. NPI 1962146258. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marissa C. Jama, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
4Years since medical school (graduated 2022)
Midwestern University, Chicago College Of Osteopathic MedMedical school
FemaleGender (as listed)
Central Dupage Physician GroupGroup practice

Quick answers

Which hospitals does Marissa C. Jama work at?
Medicare's official clinician data lists Marissa C. Jama at 4 hospitals: Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Kishwaukee Hospital and Northwestern Medicine McHenry. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marissa C. Jama see patients?
Medicare's clinician data lists 1 practice location in St Charles, IL. Call before your visit to confirm the address.
What is Marissa C. Jama's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Marissa C. Jama accept Medicare assignment?
Yes. Medicare's clinician data says Marissa C. Jama accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Marissa C. Jama offer telehealth?
Medicare's clinician data says Marissa C. Jama offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Marissa C. Jama?
(630) 208-3200, as listed in official Medicare / NPI Registry data.
What is Marissa C. Jama's NPI number?
1962146258. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marissa C. Jama works

Medicare's Facility Affiliation Data lists Marissa C. Jama at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Marissa C. Jama is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marissa C. Jama as a member of this group (CMS data updated 2026-10-02).

  • Central Dupage Physician Group1,080 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in St Charles

Clinicians with the same Medicare primary specialty in St Charles, IL — not a recommendation.

All internal medicine doctors in St Charles →

Clinician information

Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962146258
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians