NPPES file of Aug 9, 2026

Theresa M. Walker, APN-C

Adult Health Nurse Practitioner · Henderson, NV

Theresa M. Walker, APN-C is an adult health nurse practitioner with a practice address in Henderson, Nevada, and NPI 1669422036, issued on May 10, 2006. Check the license (Nevada APN00328, as entered in NPPES) with the Nevada 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
1669422036
Name
Theresa M. Walker
Credential
APN-C
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
APN00328 NV
RN12232 NV
Self-reported in NPPES; status is on the state search
Practice location
600 Whitney Ranch Dr, Henderson, NV 89014
Phone
(702) 547-0088
Enumerated
May 10, 2006
Record last updated
Mar 28, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(702) 434-1579
Medicaid ID
PENDING NV
Medicare enrollment
Enrolled (PECOS I20040903000885); 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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8 nearest adult health nurse practitioner records → All 120 in Nevada → Look up another NPI →

Also registered at 600 Whitney Ranch Dr

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

  1. Dawn Epter, RPA-CMedical Physician Assistant1356449318
  2. Rose Hettinga, APNFamily Medicine Physician1912965278
  3. Jasper Liu, M.D.Family Medicine Physician1851305973
  4. Annise Prewitt, LCSWClinical Social Worker1992843106
  5. Dawn Sarna, MFTMarriage & Family Therapist1922167758
  6. Ampara Shannon, PSY.D.Psychologist1508835745

Verify Theresa M. Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nevada board licenses this profession
    Search for license APN00328    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 Nevada 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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41% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

758 Medicare Part D claims for 152 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Theresa Walker758
  2. Specialty average1,280

Most prescribed

  1. Fluticasone Propionate58 claims
  2. Amlodipine Besylate39 claims
  3. Atorvastatin Calcium32 claims
  4. Amoxicillin-Clavulanate Potass25 claims
  5. Levothyroxine Sodium25 claims
  6. Prednisone24 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: $152.39

7 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Theresa Walker$152.39
  2. Specialty average$946.40

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. Ear, Nose And Throat Consultants OF NevadaHenderson, NV

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

Theresa M. Walker among 120 adult health nurse practitioner records in Nevada

Theresa M. Walker, APN-C is one of 120 adult health nurse practitioner records with a practice address in Nevada. 75% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 83% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1997 · median 2016 among the 75 with a school on file
  • Record last updated2012 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Nevada

There are 120 adult health nurse practitioner records in Nevada.

All 120 in Nevada → Every provider in Henderson → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Tiffany Alvarez, APRNHenderson, NV 890141891483780
  2. Youngmi Parker, AGNP-CHenderson, NV 890141366390262
  3. Kelly Watters, DNP, ANP-CHenderson, NV 890141942214408
  4. Gina Coccimiglio, DNP, AGPCNP - BCHenderson, NV 890121659751451
  5. Anna Appleby, APRNHenderson, NV 890111699204735
  6. Dennis Cortez, APRNHenderson, NV 890111720508658
  7. Amber Dickerson, ARNPHenderson, NV 890111295192375
  8. Catherine King, APNMesquite, NV 890271225236862

Common questions

What is Theresa M. Walker, APN-C's NPI number?

Theresa M. Walker, APN-C's National Provider Identifier (NPI) is 1669422036, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Theresa M. Walker, APN-C located?

The NPPES record lists a practice address at 600 Whitney Ranch Dr, Henderson, NV, 89014. Phone: (702) 547-0088. Providers update this record themselves, so call before visiting.

How can I verify Theresa M. Walker, APN-C's license?

NPPES lists Nevada license number APN00328, as entered by the provider. Search the Nevada board that licenses this profession; the NPPES record confirms identity only.

How much does Theresa M. Walker, APN-C prescribe under Medicare Part D?

In 2024, Theresa M. Walker, APN-C had 758 Medicare Part D claims for 152 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.