NPPES file of Aug 9, 2026

Rollena T. Guachino, RN

Nurse Practitioner · Thousand Oaks, CA

Rollena T. Guachino, RN is a nurse practitioner with a practice address in Thousand Oaks, California, and NPI 1730854217, issued on Aug 16, 2021. Check the license (California NPF95027567, 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
1730854217
Name
Rollena T. Guachino
Credential
RN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
NPF95027567 CA
Self-reported in NPPES; status is on the state search
Practice location
77 Rolling Oaks Dr Ste 201, Thousand Oaks, CA 91361
Phone
(888) 777-1945
Enumerated
Aug 16, 2021
Record last updated
Nov 2, 2023
Fax
(805) 413-9099
Medicare enrollment
Enrolled (PECOS I20231110002366); 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 77 Rolling Oaks Dr Ste 201

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

  1. Michelle Abrams, NPGerontology Nurse Practitioner1780154187
  2. Denise Jaffe, NPNurse Practitioner1982718227
  3. Anna Santos, RN, MSN, CNPFamily Nurse Practitioner1063096048
  4. Beronica SimpsonFamily Nurse Practitioner1447968177
  5. Rhonda Sinclair, NPNurse Practitioner1548651664

Verify Rollena T. Guachino 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 NPF95027567
    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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91% fewer Medicare Part D claims than the average nurse practitioner in 2024

97 Medicare Part D claims for 32 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Rollena Guachino97
  2. Specialty average1,109

Most prescribed

  1. Ibuprofen14 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.

Bills Medicare through one group practice

  1. Indian Health Council IncValley Center, CA

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

Rollena T. Guachino among 8,223 nurse practitioner records in California

Rollena T. Guachino, RN 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 2021, is newer than 71% of them.

  • NPI issued2021 · 71% of these records are older, 23% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2022 · median 2017 among the 3,425 with a school on file
  • Record last updated2023 · 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).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Tabitha Carnevale, RN, BSN, FNPThousand Oaks, CA 913611063701225
  2. Diana CizmadijaThousand Oaks, CA 913611629408307
  3. Kim Dannenberg, NPWestlake Village, CA 913611982172201
  4. Mia De Leon, NPWestlake Village, CA 913611700119195
  5. Sue Ann Ferraro, NPThousand Oaks, CA 913611477218311
  6. Jeanine Ishak, N.P.Westlake Village, CA 913611962456475
  7. Denise Jaffe, NPThousand Oaks, CA 913611982718227
  8. Lidiya Lambert, NP, MSNWestlake Vlg, CA 913611811641533

Common questions

What is Rollena T. Guachino, RN's NPI number?

Rollena T. Guachino, RN's National Provider Identifier (NPI) is 1730854217, issued on Aug 16, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Rollena T. Guachino, RN located?

The NPPES record lists a practice address at 77 Rolling Oaks Dr Ste 201, Thousand Oaks, CA, 91361. Phone: (888) 777-1945. Providers update this record themselves, so call before visiting.

How can I verify Rollena T. Guachino, RN's license?

NPPES lists California license number NPF95027567, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Rollena T. Guachino, RN prescribe under Medicare Part D?

In 2024, Rollena T. Guachino, RN had 97 Medicare Part D claims for 32 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.