Mary J. Walker, APN
Family Nurse Practitioner · Madisonville, TN
Mary J. Walker, APN is a family nurse practitioner with a practice address in Madisonville, Tennessee, and NPI 1023051067, issued on Jun 14, 2006. Check the license (Tennessee 5417, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary J. Walker
- Credential
- APN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 5417 TN
Self-reported in NPPES; status is on the state search - Practice location
- 465 Isbill RD, Madisonville, TN 37354
- Phone
- (865) 335-0330
- Enumerated
- Jun 14, 2006
- Record last updated
- Apr 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (865) 273-1755
- Medicaid ID
- 39083231 TN
- Medicare enrollment
- Enrolled (PECOS I20040601001414); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 9,060 in Tennessee → Look up another NPI →
Also registered at 465 Isbill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Arndts, COTA/LOccupational Therapy Assistant1346892197
- Melinda BlairPhysical Therapy Assistant1922669407
- Alissa MayOccupational Therapy Assistant1932769783
- Katherine Watson, MA CCC-SLPSpeech-Language Pathologist1477087344
Verify Mary J. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 5417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average family nurse practitioner in 2024
7,410 Medicare Part D claims for 196 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 107 claims were for opioids.
Most prescribed
- Mirtazapine379 claims
- Potassium Chloride261 claims
- Escitalopram Oxalate253 claims
- Levothyroxine Sodium241 claims
- Donepezil Hcl227 claims
- Losartan Potassium226 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $705.23
28 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Senior Care Partners OF East Tennessee PLLCMaryville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary J. Walker among 9,060 family nurse practitioner records in Tennessee
Mary J. Walker, APN is one of 9,060 family nurse practitioner records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2002 · median 2017 among the 5,523 with a school on file
- Record last updated2013 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 family nurse practitioner records list a practice address in Madisonville
They are 18 of the 149 NPPES records with a practice address in Madisonville, and 9,060 family nurse practitioner records in Tennessee.
All 9,060 in Tennessee → Every provider in Madisonville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Betty Bennett, FNP-BCMadisonville, TN 373541861931800
- Linda Boyatt, ARNPMadisonville, TN 373541205122587
- Kara Callear, DNP, FNP-BC, SCRNMadisonville, TN 373541841064615
- Jamie Daugherty, FNP-CMadisonville, TN 373541194203786
- Arrah Ford, FNPMadisonville, TN 373541457584625
- Sheila Gaia, F.N.P.Madisonville, TN 373541356384788
- Christal Hadorn, APNMadisonville, TN 373541255838769
- Jordan Newman, FNP-BCMadisonville, TN 373541841885886
Common questions
What is Mary J. Walker, APN's NPI number?
Mary J. Walker, APN's National Provider Identifier (NPI) is 1023051067, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary J. Walker, APN located?
The NPPES record lists a practice address at 465 Isbill RD, Madisonville, TN, 37354. Phone: (865) 335-0330. Providers update this record themselves, so call before visiting.
How can I verify Mary J. Walker, APN's license?
NPPES lists Tennessee license number 5417, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Mary J. Walker, APN prescribe under Medicare Part D?
In 2024, Mary J. Walker, APN had 7,410 Medicare Part D claims for 196 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.