NPPES file of Aug 9, 2026

Layne Ellen Lash, FNP-C

Family Nurse Practitioner · Cody, WY

Layne Ellen Lash, FNP-C is a family nurse practitioner with a practice address in Cody, Wyoming, and NPI 1851661284, issued on Jan 2, 2012. Check the license (Wyoming 27247.1144, as entered in NPPES) with the Wyoming 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851661284
Name
Layne Ellen Lash
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
27247.1144 WY
Self-reported in NPPES; status is on the state search
Practice location
424 Yellowstone Ave Ste 120, Cody, WY 82414
Phone
(307) 578-2904
Enumerated
Jan 2, 2012
Record last updated
Nov 4, 2025
Fax
(307) 578-2937
Medicaid ID
117862800 WY
Medicare enrollment
Enrolled (PECOS I20141029001513); 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 424 Yellowstone Ave Ste 120

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

  1. Gregory Flury, PA-CPhysician Assistant1760454235
  2. Sheena Wentz, MSN, APRN, FNP-CFamily Nurse Practitioner1568343259
  3. Alyssa Zantello, PA-CPhysician Assistant1780032524

Verify Layne Ellen Lash in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
    Search for license 27247.1144
    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 Wyoming 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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54% fewer Medicare Part D claims than the average family nurse practitioner in 2024

597 Medicare Part D claims for 69 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Layne Lash597
  2. Specialty average1,305

Most prescribed

  1. Levothyroxine Sodium53 claims
  2. Atorvastatin Calcium52 claims
  3. Rosuvastatin Calcium27 claims
  4. Alendronate Sodium24 claims
  5. Lisinopril22 claims
  6. Trazodone Hcl21 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. West Park Hospital DistrictCody, WY

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

Layne Ellen Lash among 456 family nurse practitioner records in Wyoming

Layne Ellen Lash, FNP-C is one of 456 family nurse practitioner records with a practice address in Wyoming. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 32% of them.

  • NPI issued2012 · 32% of these records are older, 65% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2011 · median 2018 among the 290 with a school on file
  • Record last updated2025 · 44% 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 Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 family nurse practitioner records list a practice address in Cody

They are 12 of the 502 NPPES records with a practice address in Cody, and 456 family nurse practitioner records in Wyoming.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Hans AyresCody, WY 824141528511375
  2. Landon George, NP, RNCody, WY 824141215767652
  3. Gloria Hancock, FNP-CCody, WY 824141962480236
  4. Elizabeth Matey, NPCody, WY 824141245960335
  5. Jill Mayhew, FNP-BCCody, WY 824141083494579
  6. Cody Nielson, APRN, FNP-BCCody, WY 824141982868667
  7. Emily Risley, FNPCody, WY 824141033695267
  8. Cassidy Steward, FNPCody, WY 824141669207536

Common questions

What is Layne Ellen Lash, FNP-C's NPI number?

Layne Ellen Lash, FNP-C's National Provider Identifier (NPI) is 1851661284, issued on Jan 2, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Layne Ellen Lash, FNP-C located?

The NPPES record lists a practice address at 424 Yellowstone Ave Ste 120, Cody, WY, 82414. Phone: (307) 578-2904. Providers update this record themselves, so call before visiting.

How can I verify Layne Ellen Lash, FNP-C's license?

NPPES lists Wyoming license number 27247.1144, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

How much does Layne Ellen Lash, FNP-C prescribe under Medicare Part D?

In 2024, Layne Ellen Lash, FNP-C had 597 Medicare Part D claims for 69 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Layne Ellen Lash, FNP-C's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.