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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

KATHRINA NICOLE SIERRA NP
NPI 1215835921
Internal Medicine - Cardiovascular Disease in Lynwood, CA

Active since October 30, 2026
3630 E IMPERIAL HWY, LYNWOOD, CA 90262(818) 488-0080 Get Directions Write a Review

NPPES record added: October 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Kathrina Nicole Sierra Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHRINA NICOLE SIERRA NP (NPI 1215835921) is an individual cardiovascular disease provider in Lynwood, California, licensed in California (95041018) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1215835921
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameKATHRINA NICOLE SIERRACredential: NP
Location Address3630 E IMPERIAL HWYLynwood, CA 90262-2609
Mailing Address1415 E 4th St Apt 6Long Beach, CA 90802-1860 · (818) 488-0080
Phone(818) 488-0080
Sole ProprietorNo
Enumeration DateOctober 30, 2026
NPPES CertifiedOctober 30, 2026
✔ NPI 1215835921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · 95041018
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
3630 E IMPERIAL HWY, Lynwood, CA 90262
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ST. FRANCIS MEDICAL CENTER - CCC
Clinic/Center (Adolescent and Children Mental Health)
3630 E IMPERIAL HWY
LYNWOOD, CA 90262
Los Angeles County (310) 900-8490
DR. NOOR-UL-AIN FATIMA KHAN DNAP, CRNA
Nurse Anesthetist, Certified Registered
3630 E IMPERIAL HWY
LYNWOOD, CA 90262
Los Angeles County (310) 900-8900
DR. GARY NEIL GARSHFIELD MD
Pathology (Anatomic Pathology & Clinical Pathology)
3630 E IMPERIAL HWY
LYNWOOD, CA 90262
Los Angeles County (310) 900-8900
KAREN CHANG MD
Emergency Medicine
3630 E IMPERIAL HWY, EMERGENCY DEPARTMENT
LYNWOOD, CA 90262
Los Angeles County (310) 900-4525
ERIKA C VIRAMONTES MA
Marriage & Family Therapist
3630 E IMPERIAL HWY
LYNWOOD, CA 90262
Los Angeles County (310) 603-6949
ADAM GOLDEN
Surgery (Surgical Critical Care)
3630 E IMPERIAL HWY
LYNWOOD, CA 90262
Los Angeles County (310) 554-4127
RAMESH LAMICHHANE
Student in an Organized Health Care Education/Training Program
3630 E IMPERIAL HWY
LYNWOOD, CA 90262
Los Angeles County (310) 900-8900
ANNA MARIE BAYYA
Registered Nurse (Psychiatric/Mental Health)
3630 E IMPERIAL HWY
LYNWOOD, CA 90262
Los Angeles County (310) 900-8210

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kathrina Sierra's NPI number?

The NPI number for Kathrina Sierra is 1215835921. It was assigned to this individual provider in the NPPES registry on October 30, 2026.

Where is Kathrina Sierra located?

Kathrina Sierra practices at 3630 E Imperial Hwy, Lynwood, CA 90262. The listed phone number is (818) 488-0080.

What is Kathrina Sierra's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for Kathrina Sierra was last updated on October 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.