NPPES file of Aug 9, 2026

Katherine Retzer

Behavior Technician · Nipomo, CA

Katherine Retzer is a behavior technician with a practice address in Nipomo, California, and NPI 1700690351, issued on Feb 4, 2025. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700690351
Name
Katherine Retzer
Primary taxonomy
Behavior Technician 106S00000X
Practice location
233 Crosby Way, Nipomo, CA 93444
Phone
(805) 540-1705
Enumerated
Feb 4, 2025
Record last updated
Feb 4, 2025
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 233 Crosby Way

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

  1. Riley CashBehavior Technician1679369722
  2. Ashlynn PierceBehavior Technician1013703792
  3. Laurice Seely, MS, BCBABehavior Analyst1659008902

Verify Katherine Retzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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

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6 behavior technician records list a practice address in Nipomo

They are 6 of the 156 NPPES records with a practice address in Nipomo, and 171,666 behavior technician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6 in Nipomo → All 171,666 in California → Every provider in Nipomo →

Other behavior technician records in California

  1. James A DetarFremont, CA1699551622
  2. Jordyn A JacksonMoreno Valley, CA1336837749
  3. Jessica A RodriguezIrvine, CA1033701982
  4. Yuki A'BeckettMonrovia, CA1548138944
  5. Paris A'SaniMonrovia, CA1336930510
  6. Rana AabedMonrovia, CA1245960640
  7. Lucila AabyMonrovia, CA1912691692
  8. Madeleine AahlSan Leandro, CA1386288140
  9. Erica AaltoTorrance, CA1598519159
  10. Kylie AardemaOrange, CA1124864210

Common questions

What is Katherine Retzer's NPI number?

Katherine Retzer's National Provider Identifier (NPI) is 1700690351, issued on Feb 4, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Retzer located?

The NPPES record lists a practice address at 233 Crosby Way, Nipomo, CA, 93444. Phone: (805) 540-1705. Providers update this record themselves, so call before visiting.

How can I verify Katherine Retzer's license?

Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.