NPPES file of Aug 9, 2026

Erica Walker, APRN

Family Nurse Practitioner · Knoxville, TN

Erica Walker, APRN is a family nurse practitioner with a practice address in Knoxville, Tennessee, and NPI 1255944039, issued on Aug 31, 2020. Check the license 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
1255944039
Name
Erica Walker
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APRN11008408 FL
Self-reported in NPPES; status is on the state search
Practice location
6537 Kingston Pike, Knoxville, TN 37919
Phone
(865) 558-9822
Enumerated
Aug 31, 2020
Record last updated
Nov 22, 2023
Fax
(833) 908-2117
Medicaid ID
PENDING FL
Medicare enrollment
Enrolled (PECOS I20231218001616); accepts Medicare assignment
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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Also registered at 6537 Kingston Pike

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

  1. Holly Cade, PA-CPhysician Assistant1750964797
  2. Jennifer Nash, PAMedical Physician Assistant1366734022
  3. Christopher Rourke, PA-CPhysician Assistant1174981757
  4. Megan Savery, FNPFamily Nurse Practitioner1114439114
  5. Kaitlyn Sims, FNPFamily Nurse Practitioner1821620303
  6. Nicolette Womble, APNFamily Nurse Practitioner1679911986

Verify Erica Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this professionCheck 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

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82% fewer Medicare Part D claims than the average family nurse practitioner in 2024

230 Medicare Part D claims for 175 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Erica Walker230
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass22 claims
  2. Azithromycin18 claims
  3. Amoxicillin17 claims
  4. Doxycycline Hyclate14 claims
  5. Sulfamethoxazole-Trimethoprim14 claims
  6. Fluticasone Propionate13 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.

Bills Medicare through one group practice

  1. Summit Medical Group, PLLCKnoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 737 in Knoxville → All 9,060 in Tennessee → Every provider in Knoxville →

Other family nurse practitioner records in Tennessee

  1. Benjamin Aaron, FNP-CCookeville, TN1811454077
  2. Sandra Aaron, FNP-BCOoltewah, TN1801561964
  3. Jessica Abbott, FNPNashville, TN1801537287
  4. Felecia Abdelfattah, APRN BCBristol, TN1497768451
  5. Angela Abdi, MSN,FNP,BCNashville, TN1780795450
  6. Hodan Abdi, NPNashville, TN1710383922
  7. Amed Abdullah, FNP-CNashville, TN1477218774
  8. Dilmon Abdullah, NPAntioch, TN1467876821
  9. Redor AbdullahNashville, TN1205344009
  10. Shams Abed, FNP-BCAshland City, TN1982334884

Common questions

What is Erica Walker, APRN's NPI number?

Erica Walker, APRN's National Provider Identifier (NPI) is 1255944039, issued on Aug 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Erica Walker, APRN located?

The NPPES record lists a practice address at 6537 Kingston Pike, Knoxville, TN, 37919. Phone: (865) 558-9822. Providers update this record themselves, so call before visiting.

How can I verify Erica Walker, APRN's license?

Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Erica Walker, APRN prescribe under Medicare Part D?

In 2024, Erica Walker, APRN had 230 Medicare Part D claims for 175 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.