ISSA SHAMMAS MD
NPI 1073554424
Internal Medicine in Indianapolis, IN
About Issa Shammas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISSA SHAMMAS MD (NPI 1073554424) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01033318) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and is a graduate of Meharry Medical College School Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Issa Shammas Md 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 Reassignments
2Medicare enrollment records show Issa Shammas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 1,781 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 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.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health
Acute Care Hospitals · Indianapolis, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
INDIANAPOLIS, IN 46229
INDIANAPOLIS, IN 46229
INDIANAPOLIS, IN 46229
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 Issa Shammas's NPI number?
The NPI number for Issa Shammas is 1073554424. It was assigned to this individual provider in the NPPES registry on June 9, 2006.
Where is Issa Shammas located?
Issa Shammas practices at 9650 E Washington St Ste 100, Indianapolis, IN 46229. The listed phone number is (317) 890-5500.
What is Issa Shammas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Issa Shammas enrolled in Medicare?
Yes. Issa Shammas 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 organizations bill Medicare for Issa Shammas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Issa Shammas reassigns Medicare benefits to 2 organizations: Indiana University Health Care Associates, Inc. (Indianapolis, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). Each 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 Issa Shammas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Issa Shammas accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource, Cigna Healthcare and UnitedHealthcare list Issa Shammas 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 Issa Shammas affiliated with any hospitals?
According to CMS data, Issa Shammas is affiliated with Indiana University Health.
When was this NPI record last updated?
The NPPES record for Issa Shammas was last updated on January 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.