DR. MOHAMMED S. SIDDIQUI (MD) – Geriatric Psychiatry Physician, NPI 1639456122
Geriatric Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,367 PSYCHIATRY in IL
Provider Addresses for DR. MOHAMMED S. SIDDIQUI (MD)
120 SPALDING DR
STE 307
NAPERVILLE, IL 605402261
Phone: (630) 527-2920
Fax: (630) 527-2921
Type: Mailing
477 E BUTTERFIELD RD STE 102
LOMBARD, IL 601484880
Phone: (630) 528-3835
Fax: (630) 528-3837
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $24.
Total Amount is formed as General ($24) + Research ($0) + Ownership ($0) = $24.
Last reported payment date: 2023-01-30 • Largest payer in this snapshot: Actelion Pharmaceuticals US, Inc. ($24).
Total Amount
$24
General + Research + Ownership
Payments
1
Total payment records
General Amount
$24
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-01-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Actelion Pharmaceuticals US, Inc. | $24 |
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: 2013-04-17
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 |
|---|---|---|---|---|
| I20130417000630 | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 356 | 30 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 146 | 69 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 41 | 18 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 30 | 30 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 27 | 26 | $0 |
Insurance plans in this area (ZIP 60540)
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