MELISSA L GRISSINGER (FNP) – Family Nurse Practitioner, NPI 1821099151
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,656 NURSE PRACTITIONER in TN
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Provider Addresses for MELISSA L GRISSINGER (FNP)
Johnson City Pediatrics, 301, Med Tech Parkway, Johnson City, Washington County, Tennessee, 37604, United States
STE. 200
JOHNSON CITY, TN 37604
Phone: (423) 794-1300
Fax: (423) 794-1820
Type: Location
PO BOX 3889
JOHNSON CITY, TN 376023889
Phone: (423) 794-1300
Fax: (423) 794-1820
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 43 Open Payments records for all available years, with a total value of $800.
Total Amount is formed as General ($800) + Research ($0) + Ownership ($0) = $800.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($219).
Total Amount
$800
General + Research + Ownership
Payments
43
Total payment records
General Amount
$800
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sumitomo Pharma America, Inc. | $219 |
| MAYNE PHARMA COMMERCIAL LLC | $149 |
| Organon LLC | $98 |
| Daiichi Sankyo Inc. | $81 |
| PFIZER INC. | $59 |
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: 2004-07-12
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 |
|---|---|---|---|---|
| I20040712000477 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 77 | 77 | $0 |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 77 | 77 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 42 | 19 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 22 | 18 | $0 |
Insurance plans in this area (ZIP 37604)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TN | |
| Nurse Practitioner | VA | |
| Internal Medicine | OH | |
| Internal Medicine | OH | |
| - | TN | |
| - | TN | |
| - | TN | |
| Diagnostic Radiology | TN | |
| - | TN | |
| - | TN |
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