DR. MARISSA C JAMA DO
NPI 1962146258
Internal Medicine in St Charles, IL
About Dr. Marissa C Jama Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARISSA C JAMA DO (NPI 1962146258) is an individual internal medicine provider in St Charles, Illinois, licensed in Illinois (036176435) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2022).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Marissa C Jama Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Marissa Jama reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Medicine Delnor Community Hospital
Acute Care Hospitals · Geneva, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Medicine Kishwaukee Hospital
Acute Care Hospitals · Dekalb, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60174 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marissa Jama's NPI number?
The NPI number for Marissa Jama is 1962146258. It was assigned to this individual provider in the NPPES registry on April 23, 2022.
Where is Marissa Jama located?
Marissa Jama practices at 2900 Foxfield Rd Ste 307, St Charles, IL 60174. The listed phone number is (630) 208-3200.
What is Marissa Jama's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Marissa Jama enrolled in Medicare?
Yes. Marissa Jama is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Marissa Jama's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Jama reassigns Medicare benefits to Central Dupage Physician Group (Carol Stream, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marissa Jama's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marissa Jama affiliated with any hospitals?
According to CMS data, Marissa Jama is affiliated with Northwestern Medicine Mchenry, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Medicine Kishwaukee Hospital.
When was this NPI record last updated?
The NPPES record for Marissa Jama was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Marissa C Jama, DO · NPI 1962146258
Internal Medicine physician in St Charles, Illinois. Individual provider, active in the CMS NPPES registry since April 23, 2022.
## Identity
- **NPI:** 1962146258 (Entity type: Individual)
- **Enumerated:** April 23, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036176435 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2900 FOXFIELD RD STE 307, St Charles, IL 60174-5799
- **Phone:** (630) 208-3200 · **Fax:** (630) 208-3201
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2022
## Record status
- **NPPES last updated:** August 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1962146258) · Data from the CMS NPPES public registry.