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Edit this profileAt a glance
- 465 Isbill Rd, Madisonville, TN 37354
About Mary Walker
Listed in the NPI registry as a nurse practitioner, Mary J. Walker, APN practices in Madisonville, TN. Mary is also listed as specializing in nurse practitioner — family. Medicare claims data shows Mary provided 626 services to 235 patients. The services billed most often include residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes, and residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes. NPI 1023051067 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (865) 335-0330
- Email not available
Practice Locations
465 ISBILL RD
Madisonville, TN 37354
Procedures Most Often Billed to Medicare
626 services · 235 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
261 | More often than most peers in Nurse Practitioner |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
160 | More often than most peers in Nurse Practitioner |
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
142 | More often than most peers in Nurse Practitioner |
| 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 quali | Billing code | G0318 |
29 | Less often than most peers in Nurse Practitioner |
| Advance care planning, first 30 minutes | Office visit | 99497 |
20 | Less often than most peers in Nurse Practitioner |
| Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | Office visit | 99347 |
14 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Madisonville 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2002 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mary J. Walker specialize in?
Mary J. Walker is a nurse practitioner in Madisonville, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary J. Walker located?
Mary J. Walker is listed at 465 Isbill Rd, Madisonville, TN 37354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary J. Walker's phone number?
The number on file is (865) 335-0330. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mary J. Walker?
Mary J. Walker's National Provider Identifier is 1023051067. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary J. Walker train?
Mary J. Walker attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mary J. Walker have?
Mary J. Walker has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Mary J. Walker do most often?
According to Medicare billing data, Mary J. Walker the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mary J. Walker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary J. Walker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.