Katherine Massiel Alvarez, RN
Ambulatory Care Registered Nurse · Long Beach, CA
Katherine Massiel Alvarez, RN is an ambulatory care registered nurse with a practice address in Long Beach, California, and NPI 1457067035, issued on Jan 26, 2023. Check the license (California 95251466, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Massiel Alvarez
- Credential
- RN
- Primary taxonomy
- Ambulatory Care Registered Nurse 163WP2201X
- License number
- 95251466 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1333 Chestnut Ave, Long Beach, CA 90813
- Phone
- (562) 753-2323
- Enumerated
- Jan 26, 2023
- Record last updated
- Jan 26, 2023
- Entity
- Type 1 · individual
Also registered at 1333 Chestnut Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashlee AbramLicensed Vocational Nurse1457246654
- Shelley Agrusa, RNAmbulatory Care Registered Nurse1457881252
- Justine Alvarez, VN718488Licensed Vocational Nurse1598445348
- Guadalupe Ambriz, LCSWClinical Social Worker1922261288
- Ma.lourdes Aquino, RNAmbulatory Care Registered Nurse1881123198
- Teresita Aquino, REGISTERED NURSEAmbulatory Care Registered Nurse1851166003
Verify Katherine Massiel Alvarez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95251466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ambulatory Care Registered Nurse providers in California
There are 940 ambulatory care registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other ambulatory care registered nurse records in California
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- Ceasar AbrenicaMountain View, CA1982546107
- Leander AbundoVan Nuys, CA1679285670
- Angela AcainLancaster, CA1104791516
- Claire AcobaSan Fernando, CA1881123396
- Deo AcobaPalmdale, CA1306550850
- Trillondel Acosta, RNTorrance, CA1215451091
- Ryan AcunaLos Angeles, CA1932692191
- Jennifer Adams, MSN, RNFresno, CA1881436665
Common questions
What is Katherine Massiel Alvarez, RN's NPI number?
Katherine Massiel Alvarez, RN's National Provider Identifier (NPI) is 1457067035, issued on Jan 26, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Massiel Alvarez, RN located?
The NPPES record lists a practice address at 1333 Chestnut Ave, Long Beach, CA, 90813. Phone: (562) 753-2323. Providers update this record themselves, so call before visiting.
How can I verify Katherine Massiel Alvarez, RN's license?
NPPES lists California license number 95251466, as entered by the provider. 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.
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.