CAROLYN WARNER GREER (M.D.) – Addiction Medicine (Psychiatry & Neurology) Physician, NPI 1568458990
Addiction Medicine (Psychiatry & Neurology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for CAROLYN WARNER GREER (M.D.)
2621, East Jefferson Street, Warsaw, Kosciusko County, Indiana, 46580, United States
WARSAW, IN 465803880
Phone: (574) 267-7169
Type: Mailing
1415, Directors Row, Fort Wayne, Allen County, Indiana, 46808, United States
FORT WAYNE, IN 46808
Phone: (126) 047-1935
Type: Location
2200 Madison Sq
Anderson, IN 460119548
Phone: (765) 643-0121
Fax: (765) 643-0130
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 34 Open Payments records for all available years, with a total value of $1,521.
Total Amount is formed as General ($1,521) + Research ($0) + Ownership ($0) = $1,521.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Axsome Therapeutics, Inc. ($364).
Total Amount
$1,521
General + Research + Ownership
Payments
34
Total payment records
General Amount
$1,521
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Axsome Therapeutics, Inc. | $364 |
| ABBVIE INC. | $230 |
| Otsuka America Pharmaceutical, Inc. | $156 |
| Corium, LLC | $128 |
| IDORSIA PHARMACEUTICALS US INC | $121 |
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: 2004-08-18
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 |
|---|---|---|---|---|
| I20040818001438 | I | Addiction Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 46580)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| - | IN | |
| Clinical Social Worker | IN | |
| P S Y C H I A T R Y | IN | |
| - | VA | |
| - | IN | |
| - | IN | |
| - | IN | |
| - | IN | |
| - | IN |
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