MARRIUM SIDDIQUI DO
NPI 1407484330
Internal Medicine - Infectious Disease in Crown Point, IN
About Marrium Siddiqui Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARRIUM SIDDIQUI DO (NPI 1407484330) is an individual infectious disease provider in Crown Point, Indiana, licensed in Indiana (02008589A) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Franciscan Health Michigan City, and maintains a secondary practice location in Indianapolis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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
Marrium Siddiqui 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 Marrium Siddiqui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mishawaka, IN 46544
- Reassigned Medicare billing, Indiana enrollment
- 1,396 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.
Franciscan Health Michigan City
Acute Care Hospitals · Michigan City, INFranciscan Health Dyer
Acute Care Hospitals · Dyer, INFranciscan Health Crown Point
Acute Care Hospitals · Crown Point, INFranciscan Health Munster
Acute Care Hospitals · Munster, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46307 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CROWN POINT, IN 46307
CROWN POINT, IN 46307
CROWN POINT, IN 46307
CROWN POINT, IN 46307
CROWN POINT, IN 46307
CROWN POINT, IN 46307
CROWN POINT, IN 46307
CROWN POINT, IN 46307
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 Marrium Siddiqui's NPI number?
The NPI number for Marrium Siddiqui is 1407484330. It was assigned to this individual provider in the NPPES registry on March 27, 2020.
Where is Marrium Siddiqui located?
Marrium Siddiqui practices at 12750 Saint Francis Dr Ste 410, Crown Point, IN 46307. The listed phone number is (219) 769-8340.
What is Marrium Siddiqui's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Marrium Siddiqui enrolled in Medicare?
Yes. Marrium Siddiqui 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 Marrium Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marrium Siddiqui reassigns Medicare benefits to Franciscan Physician Network (Mishawaka, IN). 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 Marrium Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marrium Siddiqui accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Marrium Siddiqui as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marrium Siddiqui affiliated with any hospitals?
According to CMS data, Marrium Siddiqui is affiliated with Franciscan Health Michigan City, Franciscan Health Dyer, Franciscan Health Crown Point and Franciscan Health Munster.
When was this NPI record last updated?
The NPPES record for Marrium Siddiqui was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Marrium Siddiqui, DO · NPI 1407484330
Infectious Disease physician in Crown Point, Indiana. Individual provider, active in the CMS NPPES registry since March 27, 2020.
## Identity
- **NPI:** 1407484330 (Entity type: Individual)
- **Enumerated:** March 27, 2020
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 02008589A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 12750 SAINT FRANCIS DR STE 410, Crown Point, IN 46307-0264
- **Phone:** (219) 769-8340 · **Fax:** (219) 769-8341
## 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:** Franciscan Physician Network (NPI 1366879009, Mishawaka, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lincoln Mem Univ, Debusk Col Of Osteopathic Med, class of 2020
## Record status
- **NPPES last updated:** September 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407484330) · Data from the CMS NPPES public registry.