MARISSA ALLISON WILLS LMHC, NCC
NPI 1619584729
Counselor - Mental Health in Indianapolis, IN
About Marissa Allison Wills Lmhc, Ncc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA ALLISON WILLS LMHC, NCC (NPI 1619584729) is an individual mental health provider in Indianapolis, Indiana, licensed in Indiana (39002688A) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marissa Allison Wills Lmhc, Ncc 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.
Areas of Expertise CMS Part B claims
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.
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
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 Marissa Wills's NPI number?
The NPI number for Marissa Wills is 1619584729. It was assigned to this individual provider in the NPPES registry on September 23, 2020.
Where is Marissa Wills located?
Marissa Wills practices at 1700 N Illinois St, Indianapolis, IN 46202. The listed phone number is (317) 880-8491.
What is Marissa Wills's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Marissa Wills enrolled in Medicare?
Yes. Marissa Wills 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.
What insurance does Marissa Wills accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Marissa Wills 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.
When was this NPI record last updated?
The NPPES record for Marissa Wills was last updated on October 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Marissa Allison Wills, LMHC, NCC · NPI 1619584729
Mental Health provider in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since September 23, 2020.
## Identity
- **NPI:** 1619584729 (Entity type: Individual)
- **Enumerated:** September 23, 2020
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 39002688A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1700 N ILLINOIS ST, Indianapolis, IN 46202-1316
- **Phone:** (317) 880-8491
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** October 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1619584729) · Data from the CMS NPPES public registry.