TRISHA LYNN PHEMISTER (NP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1457017063
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for TRISHA LYNN PHEMISTER (NP)
310 W Plaza Dr
Carterville, IL 629181980
Phone: (618) 985-4344
Fax: (618) 985-6469
Type: Location
PO BOX 3988
CARBONDALE, IL 629023988
Phone: (618) 993-3300
Fax: (618) 998-1802
Type: Mailing
405 RUSHING DR
HERRIN, IL 629483730
Phone: (618) 993-3300
Fax: (618) 998-1802
Type: Location
308 W PLAZA DR
CARTERVILLE, IL 629182095
Phone: (618) 985-4344
Fax: (618) 985-6469
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 266 Open Payments records for all available years, with a total value of $5,694.
Total Amount is formed as General ($5,694) + Research ($0) + Ownership ($0) = $5,694.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($1,269).
Total Amount
$5,694
General + Research + Ownership
Payments
266
Total payment records
General Amount
$5,694
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Pharmaceuticals, Inc | $1,269 |
| Corium, LLC | $614 |
| Otsuka America Pharmaceutical, Inc. | $528 |
| Axsome Therapeutics, Inc. | $511 |
| ITI, Inc. | $453 |
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: 2021-12-30
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 |
|---|---|---|---|---|
| I20211230000063 | I | Nurse Practitioner | 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 | 102 | 23 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 23 | 23 | $0 |
Insurance plans in this area (ZIP 62918)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | IL | |
| Mental Health Counselor | IL | |
| Nurse Practitioner | IL | |
| C H I R O P R A C T I C | IL | |
| Clinical Social Worker | IL | |
| C H I R O P R A C T I C | IL | |
| Clinical Social Worker | IL | |
| Nurse Practitioner | IL | |
| C H I R O P R A C T I C | IL | |
| Clinical Social Worker | IL |
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