KONSTANTINOS D KOSTAS (PHD) – Clinical Psychologist, NPI 1629047469
Clinical Psychologist
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,600 CLINICAL PSYCHOLOGIST in IL
Provider Addresses for KONSTANTINOS D KOSTAS (PHD)
800 Biesterfield Rd Ste 610
Elk Grove Village, IL 600073362
Phone: (847) 981-3630
Type: Location
4501, North Winchester Avenue, West Ravenswood, Lincoln Square, Chicago, Lake View Township, Cook County, Illinois, 60640, United States
3RD FL
CHICAGO, IL 60640
Phone: (773) 250-0500
Fax: (773) 250-0497
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2006-01-05
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 |
|---|---|---|---|---|
| I20060105000442 | I | Clinical Psychologist | 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 |
|---|---|---|---|---|
| 90834 | Psychotherapy, 45 minutes | 211 | 20 | $0 |
| 90837 | Psychotherapy, 1 hour | 50 | 14 | $0 |
| 90791 | Psychiatric diagnostic evaluation | 18 | 18 | $0 |
| 96130 | Evaluation of psychological test, first hour | 18 | 18 | $0 |
Insurance plans in this area (ZIP 60007)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | ARMED FORCES EUROPE | |
| Family Practice | IL | |
| - | IL | |
| Geriatric Medicine, Internal Medicine | IL | |
| Internal Medicine | IL | |
| Geriatric Medicine, Family Practice | IL | |
| Hospitalist, Internal Medicine | IL | |
| N E U R O L O G Y | IL | |
| - | IL | |
| Internal Medicine | IL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.