Registry data as of Aug 27, 2026

Katherine Alsobrook, FNP-C

Family Nurse Practitioner · Hanford, CA

Katherine Alsobrook, FNP-C is a family nurse practitioner with a practice address in Hanford, California, and NPI 1942879283, issued on Jun 22, 2021. Check the license (California 95017447, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942879283
Name
Katherine Alsobrook
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95017447 CA
Self-reported in NPPES; status is on the state search
Practice location
250 W 5TH St, Hanford, CA 93230
Phone
(877) 960-3426
Enumerated
Jun 22, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 250 W 5TH St

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

  1. Adam Ahmed, PA-CPhysician Assistant1598489114
  2. Fikray Alamari, DDSDentist1477274009
  3. Jasmeen Bhangu, ODOptometrist1780209304
  4. Sirinoot Ch'Ng, MDPediatrics Physician1851742290
  5. Kaylyn Cummings, O.D.Optometrist1093164014
  6. Rosa De La Paz, PHARMDPharmacist1932725397

Verify Katherine Alsobrook 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 95017447
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

84% fewer Medicare Part D claims than the average family nurse practitioner in 2024

203 Medicare Part D claims for 102 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Katherine Alsobrook203
  2. Specialty average1,302

Most prescribed

  1. Albuterol Sulfate Hfa13 claims
  2. Azithromycin13 claims
  3. Ibuprofen13 claims
  4. Cephalexin12 claims
  5. Losartan Potassium11 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: $248.70

3 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Alsobrook$248.70
  2. Specialty average$675.31

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

41 family nurse practitioner records list a Hanford practice address

They are 41 of the 1,362 NPPES records with a Hanford practice address, and 15,527 family nurse practitioner records in California.

Other family nurse practitioner records in California

  1. Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
  2. Joshua AaronMission Hills, CA1477291805
  3. Orly Aaron, NPSan Francisco, CA1376912451
  4. Paris Gilbert Russ AaronSacramento, CA1871079111
  5. Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
  6. Frances Abad, FNPLos Angeles, CA1053504514
  7. Raymond Abagat, FNPTorrance, CA1306685821
  8. Ashley AbalCastaic, CA1740140698
  9. Maureen Abaray, F.N.P.Stockton, CA1265549349
  10. Arcelyn Abas, NPLa Mirada, CA1174035885

Common questions

What is Katherine Alsobrook, FNP-C's NPI number?

Katherine Alsobrook, FNP-C's National Provider Identifier (NPI) is 1942879283, issued on Jun 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Alsobrook, FNP-C located?

The NPPES record lists a practice address at 250 W 5TH St, Hanford, CA, 93230. Phone: (877) 960-3426. Providers update this record themselves, so call before visiting.

How can I verify Katherine Alsobrook, FNP-C's license?

NPPES lists California license number 95017447, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Alsobrook, FNP-C prescribe under Medicare Part D?

In 2024, Katherine Alsobrook, FNP-C had 203 Medicare Part D claims for 102 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.