DR. MARTIN GARY GROFF (PH.D.) – Clinical Psychologist, NPI 1861545196
Clinical Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
450 CLINICAL PSYCHOLOGIST in IN
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Provider Addresses for DR. MARTIN GARY GROFF (PH.D.)
Styles by Darcey & Co., 320, North Meridian Street, Indianapolis, Marion, Indiana, 46204, United States
INDIANAPOLIS, IN 462601822
Phone: (317) 844-7489
Fax: (317) 581-1007
Mailing address matches the actual address.
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: 2003-11-20
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 |
|---|---|---|---|---|
| I20031120000579 | I | Clinical Psychologist | IN | 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 | 177 | 20 | $0 |
| 90837 | Psychotherapy, 1 hour | 37 | 11 | $0 |
Insurance plans in this area (ZIP 46260)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | CO | |
| Clinical Psychologist | IN | |
| Clinical Social Worker | IN | |
| Clinical Psychologist | IN | |
| Clinical Psychologist | IN | |
| Clinical Psychologist | IN |
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