NPPES file of Aug 9, 2026

Jon Knudsen, NP

Family Nurse Practitioner · Visalia, CA

Jon Knudsen, NP is a family nurse practitioner with a practice address in Visalia, California, and NPI 1871985333, issued on Feb 20, 2015. Check the license (California 95002111, as entered in NPPES) with the California 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
1871985333
Name
Jon Knudsen
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95002111 CA
Self-reported in NPPES; status is on the state search
Practice location
215 E Caldwell Ave, Visalia, CA 93277
Phone
(559) 622-9800
Enumerated
Feb 20, 2015
Record last updated
Feb 20, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(559) 622-9871
Medicare enrollment
Enrolled (PECOS I20150421002696); 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 215 E Caldwell Ave

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

  1. Kathleen Rooney, FNPFamily Nurse Practitioner1386084481
  2. Marc Sizemore, FNPFamily Nurse Practitioner1043419138
  3. Valerie Sizemore, NP-CNurse Practitioner1447261623

Verify Jon Knudsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95002111
    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 California 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% more Medicare Part D claims than the average family nurse practitioner in 2024

2,016 Medicare Part D claims for 138 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. 63 claims were for opioids.

  1. Jon Knudsen2,016
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium133 claims
  2. Lisinopril95 claims
  3. Amlodipine Besylate94 claims
  4. Gabapentin86 claims
  5. Losartan Potassium73 claims
  6. Metformin Hcl59 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: $25.00

1 payment: food and beverage; the largest payer was Novo Nordisk 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. Jon Knudsen$25.00
  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. Adventist Health Physicians NetworkHanford, CA

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

Jon Knudsen among 16,966 family nurse practitioner records in California

Jon Knudsen, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 31% of them.

  • NPI issued2015 · 31% of these records are older, 65% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2014 · median 2019 among the 6,793 with a school on file
  • Record last updated2015 · 42% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

125 family nurse practitioner records list a practice address in Visalia

They are 125 of the 4,225 NPPES records with a practice address in Visalia, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. So Yun AhnVisalia, CA 932771306248703
  2. Paul Campos, NPVisalia, CA 932771457664062
  3. Shawn Cardoza, N.PVisalia, CA 932771104937002
  4. San Juanita Castellano, FNPVisalia, CA 932771023440187
  5. Judy Clounch-Miyakawa, FNP/PAVisalia, CA 932771881685949
  6. Catherine GlasgowVisalia, CA 932771205228012
  7. Sukhpreet Kaur, FNPVisalia, CA 932771083951735
  8. Jennifer Pacheco, FNPVisalia, CA 932771386078780

Common questions

What is Jon Knudsen, NP's NPI number?

Jon Knudsen, NP's National Provider Identifier (NPI) is 1871985333, issued on Feb 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Jon Knudsen, NP located?

The NPPES record lists a practice address at 215 E Caldwell Ave, Visalia, CA, 93277. Phone: (559) 622-9800. Providers update this record themselves, so call before visiting.

How can I verify Jon Knudsen, NP's license?

NPPES lists California license number 95002111, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jon Knudsen, NP prescribe under Medicare Part D?

In 2024, Jon Knudsen, NP had 2,016 Medicare Part D claims for 138 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.