THODUR M RANGANATHAN (M.D.) – Psychiatry Physician, NPI 1841269727
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,367 PSYCHIATRY in IL
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Provider Addresses for THODUR M RANGANATHAN (M.D.)
13290, Fox Hill Drive, Fox Chase Estates, Lemont Township, Cook County, Illinois, 60439, United States
LEMONT, IL 604398194
Phone: (630) 257-0885
Fax: (630) 257-0875
Type: Mailing
Jackson Park Hospital, 7531, South Stony Island Avenue, South Shore, Chicago, Hyde Park Township, Cook County, Illinois, 60649, United States
CHICAGO, IL 606493954
Phone: (773) 947-7900
Fax: (773) 947-7901
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-07-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040719001341 | I | Psychiatry | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 218 | 56 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 195 | 53 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 52 | 52 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 49 | 48 | $0 |
Insurance plans in this area (ZIP 60439)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | IL | 90792 | Psychiatric diagnostic evaluation with medical services | 277 | 233 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL |
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