DR. CHANDAN NAYAK (MD) – Psychiatry Physician, NPI 1538204987
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
563 PSYCHIATRY in AZ
Provider Addresses for DR. CHANDAN NAYAK (MD)
501 W OGDEN AVE
SUITE 1
HINSDALE, IL 605213179
Phone: (630) 986-0599
Fax: (630) 986-1477
Type: Mailing
3110 N SWAN RD
TUCSON, AZ 857121227
Phone: (520) 780-8413
Type: Location
1376 SUMMIT AVENUE
COURT D, UNIT 5B
OAKBROOK TERRACE, IL 601813985
Phone: (630) 629-6550
Fax: (630) 629-6558
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $525.
Total Amount is formed as General ($525) + Research ($0) + Ownership ($0) = $525.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: ABBVIE INC. ($174).
Total Amount
$525
General + Research + Ownership
Payments
14
Total payment records
General Amount
$525
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $174 |
| Axsome Therapeutics, Inc. | $145 |
| Teva Pharmaceuticals USA, Inc. | $55 |
| Janssen Pharmaceuticals, Inc | $53 |
| Almatica Pharma LLC | $38 |
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: 2012-09-27
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 |
|---|---|---|---|---|
| I20120927000365 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 173 | 72 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 101 | 61 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 56 | 55 | $0 |
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 30 | 17 | $0 |
Insurance plans in this area (ZIP 60521)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Marriage And Family Therapist | WI | |
| Clinical Social Worker | IL | |
| Nurse Practitioner | WI | |
| Mental Health Counselor | IA | |
| Mental Health Counselor | IL | |
| - | FL | |
| Mental Health Counselor | IA | |
| Clinical Social Worker | IL | |
| Nurse Practitioner | IL |
Reviews
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