MARY J WALKER (APN) – Family Nurse Practitioner, NPI 1023051067
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,664 NURSE PRACTITIONER in TN
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Provider Addresses for MARY J WALKER (APN)
P.O. BOX 6307
MARYVILLE, TN 378026307
Phone: (865) 273-1752
Fax: (865) 273-1755
Type: Mailing
465, Isbill Road, Sequoyah Estates, Madisonville, Monroe County, Tennessee, 37354, United States
MADISONVILLE, TN 373542112
Phone: (865) 335-0330
Fax: (865) 273-1755
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 64 Open Payments records for all available years, with a total value of $1,685.
Total Amount is formed as General ($1,685) + Research ($0) + Ownership ($0) = $1,685.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Organogenesis Inc. ($425).
Total Amount
$1,685
General + Research + Ownership
Payments
64
Total payment records
General Amount
$1,685
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 |
|---|---|
| Organogenesis Inc. | $425 |
| Novartis Pharmaceuticals Corporation | $278 |
| Otsuka America Pharmaceutical, Inc. | $147 |
| Amgen Inc. | $139 |
| GlaxoSmithKline, LLC. | $120 |
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: 2004-06-01
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 |
|---|---|---|---|---|
| I20040601001414 | 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 |
|---|---|---|---|---|
| 99349 | Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 313 | 100 | $0 |
| 99350 | Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 203 | 87 | $0 |
| 99348 | Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 158 | 80 | $0 |
| 99497 | Advance care planning, first 30 minutes | 29 | 28 | $0 |
| G0318 | Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif | 22 | 17 | $0 |
Insurance plans in this area (ZIP 37802)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Geriatric Medicine, Internal Medicine | TN | |
| Internal Medicine, Emergency Medicine | SC | |
| Nurse Practitioner | TN | |
| Nurse Practitioner | TN | |
| - | TN | |
| Nurse Practitioner | TN | |
| Nurse Practitioner | TN | |
| - | TN | |
| Nurse Practitioner | TN | |
| Internal Medicine | TN |
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