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DR. SHYAMSUNDER R CHAKILUM M.D.
NPI 1295706521
Psychiatry & Neurology - Child & Adolescent Psychiatry in Merrillville, IN

Active since January 26, 2006PECOS Enrolled
1409 E 84TH PL, REGIONAL MENTAL HEALTH CENTER, MERRILLVILLE, IN 46410(219) 794-2000(219) 794-2010 Get Directions Write a Review

NPPES record last updated: January 19, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Shyamsunder R Chakilum M.d. NPPES

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

DR. SHYAMSUNDER R CHAKILUM M.D. (NPI 1295706521) is an individual child & adolescent psychiatry provider in Merrillville, Indiana, licensed in Indiana (01068801A) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1295706521
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. SHYAMSUNDER R CHAKILUMCredential: M.D.
Location Address1409 E 84TH PL, REGIONAL MENTAL HEALTH CENTERMerrillville, IN 46410-6451
Mailing Address8400 Louisiana St, C/o Geminus CorporationMerrillville, IN 46410-6385 · (219) 757-1928 · Fax (219) 757-1950
Phone(219) 794-2000
Fax(219) 794-2010
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJanuary 26, 2006
Last NPPES UpdateJanuary 19, 2012
✔ NPI 1295706521 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
Licenses✔ Licensed in IN · 01068801A✔ Licensed in IL · 036-085813
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
1409 E 84TH PL, Merrillville, IN 46410
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Other Identifiers 4

Other000000700958IN · Anthem Bc/bs
Medicaid201011930IN
Medicare PINM400038107IN
Medicare UPINF58561

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Shyamsunder R Chakilum M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7113985029
PECOS Enrollment IDI20041223000147
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

2

Medicare enrollment records show Shyamsunder Chakilum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Health Ventures
42 mi
Clinic/Center
4 E OGDEN AVE
Westmont, IL 60559
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
NPI 1275903494 (331) 221-2810
Bhc Streamwood Hospital Inc.
60 mi
Psychiatric Hospital
1400 E IRVING PARK RD
Streamwood, IL 60107
  • Reassigned Medicare billing, Illinois enrollment
  • 33 clinicians in this Medicare group
NPI 1619916822 (630) 483-5578

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JASON HERR LMHC, CP
Psychologist (Clinical)
1409 E 84TH PL
MERRILLVILLE, IN 46410
Lake County (219) 794-2000
TAMARA LYNNE HUZZIE
Counselor
1409 E 84TH PL
MERRILLVILLE, IN 46410
Lake County (219) 794-2000
CHRISTINE M FULLER
Case Manager/Care Coordinator
1409 E 84TH PL
MERRILLVILLE, IN 46410
Lake County (219) 794-2000
DIANA A SARGENT BA
Counselor
1409 E 84TH PL
MERRILLVILLE, IN 46410
Lake County (219) 794-2000
CHARLENE NOREEN ZAGER LCSW
Social Worker (Clinical)
1409 E 84TH PL
MERRILLVILLE, IN 46410
Lake County (219) 794-2000
HEIDI E BADGELY LCSW
Social Worker (Clinical)
1409 E 84TH PL
MERRILLVILLE, IN 46410
Lake County (219) 757-1939
BRANDY JANIA BA
Counselor
1409 E 84TH PL
MERRILLVILLE, IN 46410
Lake County (219) 794-2000
SUEANNE KLEIN BA, QMHP
Counselor
1409 E 84TH PL
MERRILLVILLE, IN 46410
Lake County (219) 794-2000

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 Shyamsunder Chakilum's NPI number?

The NPI number for Shyamsunder Chakilum is 1295706521. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Where is Shyamsunder Chakilum located?

Shyamsunder Chakilum practices at 1409 E 84th Pl Regional Mental Health Center, Merrillville, IN 46410. The listed phone number is (219) 794-2000.

What is Shyamsunder Chakilum's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Shyamsunder Chakilum enrolled in Medicare?

Yes. Shyamsunder Chakilum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Shyamsunder Chakilum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shyamsunder Chakilum reassigns Medicare benefits to 2 organizations: Edward Health Ventures (Westmont, IL) and Bhc Streamwood Hospital Inc. (Streamwood, IL). 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 Shyamsunder Chakilum'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 Shyamsunder Chakilum was last updated on January 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.