NPPES file of Aug 9, 2026

Katelyn L. Williams, NP-C

Nurse Practitioner · Visalia, CA

Katelyn L. Williams, NP-C is a nurse practitioner with a practice address in Visalia, California, and NPI 1639821655, issued on Jan 20, 2022. Check the license (California 95020121, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639821655
Name
Katelyn L. Williams
Credential
NP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95020121 CA
Self-reported in NPPES; status is on the state search
Practice location
5127 W Noble Ave, Visalia, CA 93277
Phone
(559) 713-6515
Enumerated
Jan 20, 2022
Record last updated
Dec 2, 2025
Fax
(559) 713-6516
Medicare enrollment
Enrolled (PECOS I20220308002416); 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 5127 W Noble Ave

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

  1. Paul Campos, NPFamily Nurse Practitioner1457664062
  2. Lauren Coelho, FNPFamily Nurse Practitioner1134910979
  3. Armin Farajzadeh Deroee, M.D.Pain Medicine (Anesthesiology) Physician1952600389
  4. Harmandeep Grewal, DOPain Medicine (Physical Medicine & Rehabilitation) Physician1942838008
  5. Julianne Macmullen, FNPNurse Practitioner1053044107
  6. Elizabeth Ngo, D.O.Interventional Pain Medicine Physician1053605618

Verify Katelyn L. Williams 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 95020121
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 85 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. Qualityout of 100 · 30% of the final score81.3
  2. Costout of 100 · 30%45.0
  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).

Industry payments in 2024: $94.35

3 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katelyn Williams$94.35
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Bass Medical GroupVisalia, CA
  2. Hany Nasr MD IncVisalia, CA

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

Katelyn L. Williams among 8,223 nurse practitioner records in California

Katelyn L. Williams, NP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 77% of them.

  • NPI issued2022 · 77% of these records are older, 18% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2021 · median 2017 among the 3,425 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 nurse practitioner records list a practice address in Visalia

They are 52 of the 4,225 NPPES records with a practice address in Visalia, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Ronald Blimling, FNP/PAVisalia, CA 932771891841375
  2. Norma Casillas-Gonzalez, RN, BSN, PHNVisalia, CA 932771942433800
  3. Linda Chu, NPVisalia, CA 932771497325641
  4. Janet Delgado, ACNPVisalia, CA 932771578692141
  5. Silvia Dominguez, NPVisalia, CA 932771558335927
  6. Marisa Fisher, FNPVisalia, CA 932771811673007
  7. Marco GonzalezVisalia, CA 932771487302170
  8. Cori Haynes, FNP-BCVisalia, CA 932771750096236

Common questions

What is Katelyn L. Williams, NP-C's NPI number?

Katelyn L. Williams, NP-C's National Provider Identifier (NPI) is 1639821655, issued on Jan 20, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Katelyn L. Williams, NP-C located?

The NPPES record lists a practice address at 5127 W Noble Ave, Visalia, CA, 93277. Phone: (559) 713-6515. Providers update this record themselves, so call before visiting.

How can I verify Katelyn L. Williams, NP-C's license?

NPPES lists California license number 95020121, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Katelyn L. Williams, NP-C's MIPS final score?

The 2023 MIPS final score is 85 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.