DR. GREGORY J HARMS (PSY.D., LCP) – Clinical Psychologist, NPI 1538579354
Clinical Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,600 CLINICAL PSYCHOLOGIST in IL
Provider Addresses for DR. GREGORY J HARMS (PSY.D., LCP)
2900 N Lake Shore Dr Fl 9
Chicago, IL 606575640
Phone: (773) 665-4836
Fax: (773) 665-3649
Type: Location
1460 N Halsted St Ste 501
Chicago, IL 606422615
Phone: (773) 388-6390
Fax: (312) 867-7101
Type: Location
4203 N SHERIDAN RD APT 3N
CHICAGO, IL 606131676
Phone: (773) 983-1479
Type: Mailing
655 W IRVING PARK RD
SUITE 203
CHICAGO, IL 606133123
Phone: (773) 528-1777
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: 2017-10-25
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 |
|---|---|---|---|---|
| I20171025001982 | 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 |
|---|---|---|---|---|
| 96158 | Treatment of behavior impacting health, initial 30 minutes | 256 | 68 | $0 |
| 90834 | Psychotherapy, 45 minutes | 171 | 34 | $0 |
| 90832 | Psychotherapy, 30 minutes | 146 | 98 | $0 |
| 90791 | Psychiatric diagnostic evaluation | 58 | 58 | $0 |
| 96159 | Treatment of behavior impacting health, each additional 15 minutes | 47 | 12 | $0 |
Insurance plans in this area (ZIP 60657)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Clinical Psychologist | IL | |
| - | IL | |
| Clinical Social Worker | IL | |
| - | IL | |
| Physician Assistant | TN | |
| Physician Assistant | IL | |
| Physician Assistant | IL | |
| Mental Health Counselor | PA | |
| - | KS |
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