MRS. MELISSA S PALAZZO (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1740272020
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,527 INTERNAL MEDICINE in TN
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Provider Addresses for MRS. MELISSA S PALAZZO (M.D.)
Johnson City Medical Center, 400, North State of Franklin Road, The Y, Johnson City, Washington County, Tennessee, 37604, United States
ROOM 2746
JOHNSON CITY, TN 376046035
Phone: (423) 431-2390
Fax: (423) 431-6715
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2008-09-23
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 |
|---|---|---|---|---|
| I20080923000337 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 58 | 33 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 18 | $0 |
Insurance plans in this area (ZIP 37604)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | MD | |
| Physician Assistant | TN | |
| - | VA | |
| - | TN | |
| Anesthesiology, Pain Management | TN | |
| Pediatric Medicine | TN | |
| - | VA | |
| N E P H R O L O G Y | VA | |
| Physician Assistant | TN | |
| - | TN |
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