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ROBERT ANDREW CHAMBERS M.D.
NPI 1871540864
Psychiatry & Neurology - Psychiatry in Indianapolis, IN

Active since May 27, 2006PECOS Enrolled
2506 WILLOWBROOK PKWY STE 300, INDIANAPOLIS, IN 46205(317) 574-1254(317) 674-0060 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 27, 2026, Mar 31, 2026, Dec 30, 2025 and 5 more (8 updates tracked since 2020).

About Robert Andrew Chambers M.d. NPPES

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

ROBERT ANDREW CHAMBERS M.D. (NPI 1871540864) is an individual psychiatry provider in Indianapolis, Indiana, licensed in Indiana (01058086A) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871540864
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameROBERT ANDREW CHAMBERSCredential: M.D.
Location Address2506 WILLOWBROOK PKWY STE 300Indianapolis, IN 46205-1500
Mailing Address697 Pro Med LnCarmel, IN 46032-5323 · (317) 574-1254 · Fax (317) 674-0060
Phone(317) 574-1254
Fax(317) 674-0060
Sole ProprietorNo
Enumeration DateMay 27, 2006
Last NPPES UpdateJuly 27, 20268 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1871540864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IN · 01058086A
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.
2506 WILLOWBROOK PKWY STE 300, Indianapolis, IN 46205
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Other Identifiers 1

Medicaid200267130IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Andrew Chambers M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

5

Medicare enrollment records show Robert Chambers reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aspire Indiana Health Inc
Same address
Federally Qualified Health Center (FQHC)
2506 WILLOWBROOK PKWY STE 300
Indianapolis, IN 46205
  • Reassigned Medicare billing, Indiana enrollment
  • 204 clinicians in this Medicare group
NPI 1033628953 (317) 574-1254
Indiana University Health Care Associates, Inc.
4.2 mi
Dietitian, Registered
1800 N CAPITOL AVE, B445
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 1,781 clinicians in this Medicare group
NPI 1679949002 (317) 944-3500
Iu Health Medical Group, LLC
4.3 mi
General Practice
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 5,212 clinicians in this Medicare group
NPI 1326893777 (317) 962-2000
Aspire Indiana Inc.
9.8 mi
Mental Health (Including Community Mental Health Center)
697 PRO MED LN
Carmel, IN 46032
  • Reassigned Medicare billing, Indiana enrollment
  • 187 clinicians in this Medicare group
NPI 1124016050 (317) 574-1254
Adult And Child Mental Health Center Inc
14 mi
Community/Behavioral Health
8320 MADISON AVE
Indianapolis, IN 46227
  • Reassigned Medicare billing, Indiana enrollment
  • 142 clinicians in this Medicare group
NPI 1083432272 (317) 882-5122

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 46205 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.

MISS STEPHANIE DIANE SANCHEZ MSW, LCSW
Social Worker (Clinical)
2506 WILLOWBROOK PKWY STE 300
INDIANAPOLIS, IN 46205
Marion County (317) 574-1254
JAZMYNE TIDWELL LMHC
Counselor (Mental Health)
2506 WILLOWBROOK PKWY STE 300
INDIANAPOLIS, IN 46205
Marion County (317) 574-1254
JILLIAN CONDON NP
Nurse Practitioner (Psychiatric/Mental Health)
2506 WILLOWBROOK PKWY STE 300
INDIANAPOLIS, IN 46205
Marion County (317) 574-1254
ASPIRE INDIANA HEALTH INC
Clinic/Center (Federally Qualified Health Center (FQHC))
2506 WILLOWBROOK PKWY STE 300
INDIANAPOLIS, IN 46205
Marion County (317) 574-1254
MELINDA MALHER-MORAN LMHC
Counselor (Professional)
2506 WILLOWBROOK PKWY STE 300
INDIANAPOLIS, IN 46205
Marion County (317) 574-1254
CHRISTINA LEE
Social Worker (Clinical)
2506 WILLOWBROOK PKWY STE 300
INDIANAPOLIS, IN 46205
Marion County (317) 574-1254
KEVIN MINNICK LMHC
Counselor (Mental Health)
2506 WILLOWBROOK PKWY STE 300
INDIANAPOLIS, IN 46205
Marion County (317) 574-1254
MR. HERBERT TAFADZKIA ZINZOMBE PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
2506 WILLOWBROOK PKWY STE 300
INDIANAPOLIS, IN 46205
Marion County (317) 574-1254

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 Robert Chambers's NPI number?

The NPI number for Robert Chambers is 1871540864. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Robert Chambers located?

Robert Chambers practices at 2506 Willowbrook Pkwy Ste 300, Indianapolis, IN 46205. The listed phone number is (317) 574-1254.

What is Robert Chambers's specialty?

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

Is Robert Chambers enrolled in Medicare?

Yes. Robert Chambers is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Chambers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Chambers reassigns Medicare benefits to 5 organizations: Aspire Indiana Health Inc (Indianapolis, IN), Indiana University Health Care Associates, Inc. (Indianapolis, IN), Iu Health Medical Group, LLC (Indianapolis, IN), Aspire Indiana Inc. (Carmel, IN) and Adult And Child Mental Health Center 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 Robert Chambers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Chambers accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Robert Chambers 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 Robert Chambers was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.