NPPES file of Aug 9, 2026

Sydney Shadowens Walker, FNP

Family Nurse Practitioner · Knoxville, TN

Sydney Shadowens Walker, FNP is a family nurse practitioner with a practice address in Knoxville, Tennessee, and NPI 1740910934, issued on Jun 13, 2022. Check the license (Tennessee 31887, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740910934
Name
Sydney Shadowens Walker
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
31887 TN
0000227268 TN
Self-reported in NPPES; status is on the state search
Practice location
1940 Alcoa Hwy, Knoxville, TN 37920
Phone
(865) 544-2800
Enumerated
Jun 13, 2022
Record last updated
Jul 22, 2024
Fax
(833) 908-0998
Medicare enrollment
Enrolled (PECOS I20220727004316); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 9,060 in Tennessee → Look up another NPI →

Also registered at 1940 Alcoa Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Acker, M.D.Cardiovascular Disease Physician1497756241
  2. Gayathri Baljepally, MDCardiovascular Disease Physician1861586109
  3. Raj Baljepally, M.D.Interventional Cardiology Physician1598766370
  4. Myrwood Besozzi, M.D.Cardiovascular Disease Physician1740281518
  5. Paul Branca, MDPulmonary Disease Physician1700893252
  6. Seth Brant, MDPulmonary Disease Physician1841407939

Verify Sydney Shadowens Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 31887    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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28% more Medicare Part D claims than the average family nurse practitioner in 2024

1,668 Medicare Part D claims for 451 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Sydney Walker1,668
  2. Specialty average1,305

Most prescribed

  1. Rosuvastatin Calcium129 claims
  2. Metoprolol Tartrate108 claims
  3. Eliquis104 claims
  4. Metoprolol Succinate80 claims
  5. Amlodipine Besylate73 claims
  6. Ezetimibe73 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: $694.33

44 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.

  1. Sydney Walker$694.33
  2. Specialty average$650.95

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

  1. University Health System, Inc.Knoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sydney Shadowens Walker among 9,060 family nurse practitioner records in Tennessee

Sydney Shadowens Walker, FNP 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 2022, is newer than 78% of them.

  • NPI issued2022 · 78% of these records are older, 16% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2022 · median 2017 among the 5,523 with a school on file
  • Record last updated2024 · 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).

737 family nurse practitioner records list a practice address in Knoxville

They are 737 of the 14,339 NPPES records with a practice address in Knoxville, and 9,060 family nurse practitioner records in Tennessee.

All 9,060 in Tennessee → Every provider in Knoxville → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Amanda Berry, CNPKnoxville, TN 379201235390238
  2. Audrey Brantley, N.P.Knoxville, TN 379201629191879
  3. Ann Britton, FNPKnoxville, TN 379201093967069
  4. Brandy Burchell, FNPKnoxville, TN 379201205036746
  5. Rose Cunningham, FNPKnoxville, TN 379201992026827
  6. Lisa Dugger, NPKnoxville, TN 379201083615868
  7. Donna Heath, FNP-BCKnoxville, TN 379201528375789
  8. Patricia Huddleston, NPKnoxville, TN 379201003048810

Common questions

What is Sydney Shadowens Walker, FNP's NPI number?

Sydney Shadowens Walker, FNP's National Provider Identifier (NPI) is 1740910934, issued on Jun 13, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Sydney Shadowens Walker, FNP located?

The NPPES record lists a practice address at 1940 Alcoa Hwy, Knoxville, TN, 37920. Phone: (865) 544-2800. Providers update this record themselves, so call before visiting.

How can I verify Sydney Shadowens Walker, FNP's license?

NPPES lists Tennessee license number 31887, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Sydney Shadowens Walker, FNP prescribe under Medicare Part D?

In 2024, Sydney Shadowens Walker, FNP had 1,668 Medicare Part D claims for 451 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.