Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIELLE ANDREA BARRETTO LLAMAS MD
NPI 1205419025
Internal Medicine in Sacramento, CA

Active since April 29, 2021
4301 X ST, SACRAMENTO, CA 95817(916) 734-2011 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 8, 2026, Apr 29, 2021 (2 updates tracked since 2021).

About Marielle Andrea Barretto Llamas Md NPPES

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

MARIELLE ANDREA BARRETTO LLAMAS MD (NPI 1205419025) is an individual internal medicine provider in Sacramento, California, licensed in Oregon (PG205477) and active in the NPI registry since April 2021.

NPPES Registry Identity

NPI1205419025
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARIELLE ANDREA BARRETTO LLAMASCredential: MD
Location Address4301 X STSacramento, CA 95817-2214
Mailing Address3600 Nw Samaritan DrCorvallis, OR 97330-3737 · (541) 768-4906
Sole ProprietorNo
Enumeration DateApril 29, 2021
Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1205419025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in OR · PG205477
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4301 X ST, Sacramento, CA 95817

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.

Dietitian, Registered
4301 X ST
SACRAMENTO, CA 95817
Dietitian, Registered (Nutrition, Pediatric)
4301 X ST
SACRAMENTO, CA 95817
Student in an Organized Health Care Education/Training Program
4301 X ST
SACRAMENTO, CA 95817
Nurse Anesthetist, Certified Registered
4301 X ST
SACRAMENTO, CA 95817
Internal Medicine (Clinical Cardiac Electrophysiology)
4301 X ST
SACRAMENTO, CA 95817
Anesthesiology
4301 X ST
SACRAMENTO, CA 95817
Pediatrics
4301 X ST
SACRAMENTO, CA 95817
Emergency Medicine
4301 X ST
SACRAMENTO, CA 95817

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 Marielle Andrea Llamas's NPI number?

The NPI number for Marielle Andrea Llamas is 1205419025. It was assigned to this individual provider in the NPPES registry on April 29, 2021.

Where is Marielle Andrea Llamas located?

Marielle Andrea Llamas practices at 4301 X St, Sacramento, CA 95817. The listed phone number is (916) 734-2011.

What is Marielle Andrea Llamas's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Marielle Andrea Llamas was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.