DR. MARIE CECILIA LEWIS MD
NPI 1063704104
Internal Medicine in Indianapolis, IN
About Dr. Marie Cecilia Lewis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIE CECILIA LEWIS MD (NPI 1063704104) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01073712A) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Hospital, and is a graduate of Indiana University School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Dr. Marie Cecilia Lewis 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 Marie Lewis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 510 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 945 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 2
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.
Ascension St Vincent Hospital
Acute Care Hospitals · Indianapolis, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46260 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
INDIANAPOLIS, IN 46260
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 Marie Lewis's NPI number?
The NPI number for Marie Lewis is 1063704104. It was assigned to this individual provider in the NPPES registry on May 9, 2011. The provider is also known as Dr. Marie Cecilia Weiss MD.
Where is Marie Lewis located?
Marie Lewis practices at 2001 W 86th St, Indianapolis, IN 46260. The listed phone number is (317) 338-3634.
What is Marie Lewis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Marie Lewis enrolled in Medicare?
Yes. Marie Lewis 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 Marie Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marie Lewis reassigns Medicare benefits to 2 organizations: St Vincent Physician Services Hospital And Health Care Center (Indianapolis, IN) and St. Vincent Medical Group, Inc. (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 Marie Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marie Lewis accept?
Health plans from CareSource list Marie Lewis 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 Marie Lewis affiliated with any hospitals?
According to CMS data, Marie Lewis is affiliated with Ascension St Vincent Hospital.
When was this NPI record last updated?
The NPPES record for Marie Lewis was last updated on October 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Marie Cecilia Lewis, MD · NPI 1063704104
Internal Medicine physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since May 9, 2011.
## Identity
- **NPI:** 1063704104 (Entity type: Individual)
- **Enumerated:** May 9, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 01073712A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2001 W 86TH ST, Indianapolis, IN 46260-1902
- **Phone:** (317) 338-3634
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): St Vincent Physician Services Hospital And Health Care Center (NPI 1669422234, Indianapolis, IN); St. Vincent Medical Group, Inc. (NPI 1710708367, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** October 25, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1063704104) · Data from the CMS NPPES public registry.