WENDY SIEMION MD
NPI 1720309461
Internal Medicine in Indianapolis, IN
About Wendy Siemion Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WENDY SIEMION MD (NPI 1720309461) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01072470A) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Wendy Siemion Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Wendy Siemion reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nashville, TN 37214
- Reassigned Medicare billing, Indiana and Ohio enrollments
- 109 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46202 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 46202
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 Wendy Siemion's NPI number?
The NPI number for Wendy Siemion is 1720309461. It was assigned to this individual provider in the NPPES registry on June 17, 2010.
Where is Wendy Siemion located?
Wendy Siemion practices at 1481 W 10th St, Indianapolis, IN 46202. The listed phone number is (317) 988-9424.
What is Wendy Siemion's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Wendy Siemion enrolled in Medicare?
Yes. Wendy Siemion is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Wendy Siemion's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Siemion reassigns Medicare benefits to Carelon Medical Partners, PC (Nashville, TN). 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 Wendy Siemion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Wendy Siemion was last updated on February 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Wendy Siemion, MD · NPI 1720309461
Internal Medicine physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since June 17, 2010.
## Identity
- **NPI:** 1720309461 (Entity type: Individual)
- **Enumerated:** June 17, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 01072470A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1481 W 10TH ST, Indianapolis, IN 46202-2803
- **Phone:** (317) 988-9424
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Carelon Medical Partners, PC (NPI 1124443403, Nashville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 1, 2022
- **Other identifiers:** Medicaid 201177860 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1720309461) · Data from the CMS NPPES public registry.