DR. TIM VERNON LARSON (MD) – Psychiatry Physician, NPI 1962487157
Psychiatry Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
541 PSYCHIATRY in TN
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Provider Addresses for DR. TIM VERNON LARSON (MD)
1923, Sulphur Springs Road, Morristown, Hamblen County, Tennessee, 37813, United States
MORRISTOWN, TN 378135654
Phone: (423) 317-9344
Fax: (423) 714-2355
Type: Mailing
Brainerd Road, Regency Place, Ridgeside, Chattanooga, Hamilton County, Tennessee, 37411, United States
CHATTANOOGA, TN 374115336
Phone: (423) 266-4588
Fax: (865) 342-0103
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $750.
Total Amount is formed as General ($750) + Research ($0) + Ownership ($0) = $750.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: ABBVIE INC. ($479).
Total Amount
$750
General + Research + Ownership
Payments
17
Total payment records
General Amount
$750
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $479 |
| Alkermes, Inc. | $120 |
| Teva Pharmaceuticals USA, Inc. | $106 |
| E.R. Squibb & Sons, L.L.C. | $45 |
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: 2024-06-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-07-31 (1045 days ago).
Enrollment records
2
Earliest due date
2023-07-31
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 |
|---|---|---|---|---|
| I20040727001221 | I | Psychiatry | TN | 2023-07-31 |
| I20240610001359 | I | Psychiatry | FL | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 37813)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | UT | |
| P S Y C H I A T R Y | AZ | |
| Nurse Practitioner | AZ | |
| Geriatric Psychiatry, Psychiatry | IN | |
| P S Y C H I A T R Y | CO | |
| Nurse Practitioner | OH | |
| Nurse Practitioner | GA | |
| P S Y C H I A T R Y | FL | |
| P S Y C H I A T R Y | AZ | |
| P S Y C H I A T R Y | TX |
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