NPPES file of Aug 9, 2026

Floyd A. Katske, M.D.

Urology Physician · Newhall, CA

Floyd A. Katske, M.D. is a urology physician with a practice address in Newhall, California, and NPI 1346340809, issued on Sep 25, 2006. Check the license (California G 36408, as entered in NPPES) on the Medical Board of California; 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
1346340809
Name
Floyd A. Katske
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License number
G 36408 CA
Self-reported in NPPES; status is on the state search
Practice location
23928 Lyons Ave, Newhall, CA 91321
Phone
(661) 254-2777
Enumerated
Sep 25, 2006
Record last updated
Aug 10, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(661) 254-2777
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 23928 Lyons Ave

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

  1. Steven Baron, MD PHDEndocrinology, Diabetes & Metabolism Physician1194886119
  2. Felix BarteCardiovascular Disease Physician1922119148
  3. Wendy Clough, M.D.Infectious Disease Physician1225077175
  4. Michael Jean, MDGastroenterology Physician1033163985
  5. Rajinder Kaushal, M.D.Gastroenterology Physician1285706259
  6. Chand Khanna, M.D.Pulmonary Disease Physician1699776302

Verify Floyd A. Katske in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G 36408
    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
Open 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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97% fewer Medicare Part D claims than the average urology physician in 2024

40 Medicare Part D claims, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.

  1. Floyd Katske40
  2. Specialty average1,340

Most prescribed

  1. Gabapentin12 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.

Floyd A. Katske among 1,524 urology physician records in California

Floyd A. Katske, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 51% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2010 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in California

There are 1,524 urology physician records in California.

The 8 urology physician records with the nearest ZIP codes

  1. Robert Klein, MDNorthridge, CA 913251386715498
  2. Elise Perer, MDNorthridge, CA 913251578577664
  3. Jacinto Rios, M.D.Northridge, CA 913251538243829
  4. Jacob Rubin, MDPorter Ranch, CA 913261396207395
  5. Youssef Youssef, MDPorter Ranch, CA 913261154513950
  6. Irving Malis, M.D.Calabasas, CA 913021104263540
  7. Harley Wishner, M.D.Calabasas, CA 913021245378819
  8. Sevan Stepanian, M.D.Santa Clarita, CA 913501790941029

Common questions

What is Floyd A. Katske, M.D.'s NPI number?

Floyd A. Katske, M.D.'s National Provider Identifier (NPI) is 1346340809, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Floyd A. Katske, M.D. located?

The NPPES record lists a practice address at 23928 Lyons Ave, Newhall, CA, 91321. Phone: (661) 254-2777. Providers update this record themselves, so call before visiting.

How can I verify Floyd A. Katske, M.D.'s license?

NPPES lists California license number G 36408, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Floyd A. Katske, M.D. prescribe under Medicare Part D?

In 2024, Floyd A. Katske, M.D. had 40 Medicare Part D claims; the average among urology physician prescribers was 1,340. 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.