CHARLES WILLIAM MATIAS MD
NPI 1427631852
Psychiatry & Neurology - Psychiatry in Indianapolis, IN

Active since May 03, 2021PECOS EnrolledAccepts Medicare Assignment
340 W 10TH ST STE 6200, INDIANAPOLIS, IN 46202(317) 274-8157 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Charles William Matias Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLES WILLIAM MATIAS MD (NPI 1427631852) is an individual psychiatry provider in Indianapolis, Indiana, licensed in Indiana (01090924A) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1427631852
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameCHARLES WILLIAM MATIASCredential: MD
Location Address340 W 10TH ST STE 6200Indianapolis, IN 46202-3082
Mailing Address340 W 10th St Ste 6200Indianapolis, IN 46202-3082
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 2021
Enumeration DateMay 3, 2021
Last NPPES UpdateAugust 27, 2025
NPPES CertifiedAugust 7, 2025
✔ NPI 1427631852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IN · 01090924A
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
340 W 10TH ST STE 6200, Indianapolis, IN 46202

Secondary Practice Location 1

Location 1355 W 16th St Ste 2800Indianapolis, IN 46202-2279 · Phone (317) 963-7300

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

Charles William Matias 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.

PECOS PAC ID6709286529
PECOS Enrollment IDI20250904001176
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Charles Matias reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Practice
1701 N SENATE BLVD
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.

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, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

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.

New Patient
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physical Medicine & Rehabilitation
340 W 10TH ST STE 6200
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
340 W 10TH ST STE 6200
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
340 W 10TH ST STE 6200
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
340 W 10TH ST STE 6200
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
340 W 10TH ST STE 6200
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
340 W 10TH ST STE 6200
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
340 W 10TH ST STE 6200
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
340 W 10TH ST STE 6200
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 Charles Matias's NPI number?

The NPI number for Charles Matias is 1427631852. It was assigned to this individual provider in the NPPES registry on May 3, 2021.

Where is Charles Matias located?

Charles Matias practices at 340 W 10th St Ste 6200, Indianapolis, IN 46202. The listed phone number is (317) 274-8157.

What is Charles Matias's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Charles Matias enrolled in Medicare?

Yes. Charles Matias 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 Charles Matias's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Matias reassigns Medicare benefits to Iu Health Medical Group, LLC (Indianapolis, 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 Charles Matias's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Matias accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Charles Matias 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 Charles Matias affiliated with any hospitals?

According to CMS data, Charles Matias is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Charles Matias was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.