NPPES file of Aug 9, 2026

Crystal J. Yarnall, NP

Family Nurse Practitioner · Klamath Falls, OR

Crystal J. Yarnall, NP is a family nurse practitioner with a practice address in Klamath Falls, Oregon, and NPI 1962611129, issued on May 22, 2007. Check the license (Oregon 202100029NP-PP, as entered in NPPES) with the Oregon 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
1962611129
Name
Crystal J. Yarnall
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
202100029NP-PP OR
109002 IA
A156728 IA
Self-reported in NPPES; status is on the state search
Practice location
925 High St, Klamath Falls, OR 97601
Phone
(541) 851-3300
Enumerated
May 22, 2007
Record last updated
May 11, 2026
Fax
(541) 851-3301
Medicare enrollment
Enrolled (PECOS I20210521000941); 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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Verify Crystal J. Yarnall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 202100029NP-PP
    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 Oregon license search

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15% more Medicare Part D claims than the average family nurse practitioner in 2024

1,500 Medicare Part D claims for 121 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 132 claims were for opioids.

  1. Crystal Yarnall1,500
  2. Specialty average1,305

Most prescribed

  1. Levothyroxine Sodium90 claims
  2. Hydrocodone-Acetaminophen63 claims
  3. Losartan Potassium44 claims
  4. Pregabalin41 claims
  5. Amlodipine Besylate36 claims
  6. Valacyclovir33 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: $83.82

4 payments; by number, the most common kind was food and beverage; the largest payer was Mimedx Group, 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. Crystal Yarnall$83.82
  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.

Crystal J. Yarnall among 2,384 family nurse practitioner records in Oregon

Crystal J. Yarnall, NP is one of 2,384 family nurse practitioner records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 20% of them.

  • NPI issued2007 · 20% of these records are older, 73% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2019 · median 2017 among the 1,390 with a school on file
  • Record last updated2026 · 46% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 family nurse practitioner records list a practice address in Klamath Falls

They are 56 of the 1,946 NPPES records with a practice address in Klamath Falls, and 2,384 family nurse practitioner records in Oregon.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Scott Alexander, FNPKlamath Falls, OR 976011831439454
  2. Darcy Butcher, FNPCKlamath Falls, OR 976011083614630
  3. Elena Herrera, FNPKlamath Falls, OR 976011780805556
  4. Laina Holland, FNPKlamath Falls, OR 976011174639157
  5. Amy Holweger, FNPKlamath Falls, OR 976011902870835
  6. Alexandra Larsen, F.N.P.Klamath Falls, OR 976011366782716
  7. Katherine Murphey, FNPKlamath Falls, OR 976011407987811
  8. Judith Olson, FNPKlamath Falls, OR 976011437186897

Common questions

What is Crystal J. Yarnall, NP's NPI number?

Crystal J. Yarnall, NP's National Provider Identifier (NPI) is 1962611129, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Crystal J. Yarnall, NP located?

The NPPES record lists a practice address at 925 High St, Klamath Falls, OR, 97601. Phone: (541) 851-3300. Providers update this record themselves, so call before visiting.

How can I verify Crystal J. Yarnall, NP's license?

NPPES lists Oregon license number 202100029NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Crystal J. Yarnall, NP prescribe under Medicare Part D?

In 2024, Crystal J. Yarnall, NP had 1,500 Medicare Part D claims for 121 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.