MARY SERBIN (FNP-BC) – Family Nurse Practitioner, NPI 1083125827
Family Nurse Practitioner
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MARY SERBIN (FNP-BC)
1111 Watercrest St
Morristown, TN 378143837
Phone: (423) 581-4100
Type: Location
300, Boyd School Road, Morristown, Hamblen County, Tennessee, 37813, United States
MORRISTOWN, TN 378131401
Phone: (423) 587-3407
Fax: (423) 587-3405
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $327.
Total Amount is formed as General ($327) + Research ($0) + Ownership ($0) = $327.
Last reported payment date: 2023-04-04 • Largest payer in this snapshot: Corcept Therapeutics ($69).
Total Amount
$327
General + Research + Ownership
Payments
16
Total payment records
General Amount
$327
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Corcept Therapeutics | $69 |
| Lilly USA, LLC | $59 |
| AstraZeneca Pharmaceuticals LP | $38 |
| Abbott Laboratories | $34 |
| Smith+Nephew, Inc. | $30 |
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: 2018-07-12
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 |
|---|---|---|---|---|
| I20180712003643 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 17 | 16 | $0 |
Insurance plans in this area (ZIP 37814)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TN | |
| Internal Medicine | TN | |
| Nurse Practitioner | TN | |
| Nurse Practitioner | TN | |
| Internal Medicine | TN | |
| Nurse Practitioner | TN | |
| Family Practice | TN | |
| - | TN | |
| Physician Assistant | TN | |
| Nurse Practitioner | TN |
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