MR. JOHN GREGORY KUPFNER (M.D.) – Psychiatry Physician, NPI 1285832964
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
541 PSYCHIATRY in TN
Provider Addresses for MR. JOHN GREGORY KUPFNER (M.D.)
1451 Dowell Springs Blvd
Knoxville, TN 379092441
Phone: (865) 970-9800
Fax: (865) 374-7129
Type: Location
1451, Dowell Springs Boulevard, Knoxville, Knox County, Tennessee, 37909, United States
KNOXVILLE, TN 379092441
Phone: (865) 374-7123
Fax: (865) 374-7129
Type: Mailing
9709 STONE HENGE LN
KNOXVILLE, TN 379223447
Phone: (865) 258-6134
Fax: (865) 258-6134
Type: Mailing
3889 WONDERLAND LN
SEVIERVILLE, TN 378628288
Phone: (865) 366-7812
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $102.
Total Amount is formed as General ($102) + Research ($0) + Ownership ($0) = $102.
Last reported payment date: 2024-07-17 • Largest payer in this snapshot: Lundbeck LLC ($40).
Total Amount
$102
General + Research + Ownership
Payments
5
Total payment records
General Amount
$102
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-17
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-11-04
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 |
|---|---|---|---|---|
| I20101104001255 | I | Psychiatry | TN | 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 |
|---|---|---|---|---|
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 173 | 102 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 128 | 63 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 47 | 38 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 23 | 21 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 16 | 16 | $0 |
Insurance plans in this area (ZIP 37909)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TN | |
| P S Y C H I A T R Y | TN | |
| - | TN | |
| Nurse Practitioner | TN | |
| P S Y C H I A T R Y | TN | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | TN | |
| Nurse Practitioner | TN | |
| P S Y C H I A T R Y | TN | |
| Nurse Practitioner | TN | |
| Nurse Practitioner | TN |
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