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RANGANATHAN T LTD
NPI 1396385415
Psychiatry & Neurology - Psychiatry in Desplaines, IL

Active since January 07, 2020
555 WILSON LN, CHICAGO BEHAVIORAL HOSPITAL, DESPLAINES, IL 60016(248) 699-7850(248) 699-7851 Get Directions Write a Review

NPPES record last updated: January 7, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ranganathan T Ltd NPPES

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

RANGANATHAN T LTD (NPI 1396385415) is a healthcare organization registered as a psychiatry in Desplaines, Illinois and active in the NPI registry since January 2020. The organization lists Thodur M Ranganathan, Owner, as its authorized official.

NPPES Registry Identity

NPI1396385415
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameRANGANATHAN T LTD
Location Address555 WILSON LN, CHICAGO BEHAVIORAL HOSPITALDesplaines, IL 60016-4729
Mailing Address13290 Fox Hill DrLemont, IL 60439-8194 · (248) 699-7850 · Fax (248) 699-7851
Phone(248) 699-7850
Fax(248) 699-7851
Organization SubpartNo
Authorized OfficialThodur M RanganathanOwner · (248) 699-7850
Enumeration DateJanuary 7, 2020
✔ NPI 1396385415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
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.
555 WILSON LN, Desplaines, IL 60016
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ranganathan T Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Ranganathan T Ltd, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 3

Nurse Practitioner4
Psychiatry4
Family Practice2

Clinicians, nearest first (10)

Ejaz Jafri, APN
Nurse Practitioner
NPI 1225408289
405 CENTRAL AVE
Northfield, IL 60093
(847) 441-5600
✔ PECOS✔ Accepts Medicare6.9 mi
Meera Nair, MD
Psychiatry
NPI 1245804640
645 S CENTRAL AVE
Chicago, IL 60644
(773) 542-2000
✔ PECOS12 mi
Sanjay Patel, M.D.
Psychiatry
NPI 1326240623
645 S CENTRAL AVE
Chicago, IL 60644
(773) 463-1838
✔ PECOS✔ Accepts Medicare12 mi
Waseema Tajammul, NP-BC
Nurse Practitioner
NPI 1790128502
645 S CENTRAL AVE
Chicago, IL 60644
(773) 626-4300
✔ PECOS✔ Accepts Medicare12 mi
Raymond Bryant, NP
Nurse Practitioner
NPI 1609354133
850 W IRVING PARK RD
Chicago, IL 60613
(312) 888-2986
✔ PECOS13 mi
Islam Hussein, MD
Psychiatry
NPI 1821612185
645 S CENTRAL AVE
Chicago, IL 60644
(773) 854-4179
✔ PECOS13 mi
Mary Jane Evangelista, PHD,DNP,PMHNP
Nurse Practitioner
NPI 1720760010
3900 N PINE GROVE AVE APT 414
Chicago, IL 60613
(131) 291-2344
✔ PECOS✔ Accepts Medicare13 mi
Naveed Muhammad, MD
Family Practice
NPI 1396799029
2850 S WABASH AVE SUITE 203
Chicago, IL 60616
(312) 808-0621
✔ PECOS✔ Accepts Medicare19 mi
Zahidur Rahman, M. D.
Family Practice
NPI 1417975293
7531 S STONY ISLAND AVE
Chicago, IL 60649
(773) 947-7764
✔ PECOS✔ Accepts Medicare25 mi
Thodur Ranganathan, M.D.
Psychiatry
NPI 1841269727
7531 S STONY ISLAND AVE
Chicago, IL 60649
(773) 947-7900
✔ PECOS✔ Accepts Medicare25 mi

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

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 Ranganathan T Ltd's NPI number?

The NPI number for Ranganathan T Ltd is 1396385415. It was assigned to this organization in the NPPES registry on January 7, 2020.

Where is Ranganathan T Ltd located?

Ranganathan T Ltd is located at 555 Wilson Ln Chicago Behavioral Hospital, Desplaines, IL 60016. The listed phone number is (248) 699-7850.

What is Ranganathan T Ltd's specialty?

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

Is Ranganathan T Ltd enrolled in Medicare?

Yes. Ranganathan T Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ranganathan T Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 3 Medicare specialties reassign their Medicare billing to Ranganathan T Ltd. A 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 the clinician's services. The largest specialties are Nurse Practitioner (4), Psychiatry (4) and Family Practice (2). Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ranganathan T Ltd was last updated on January 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.