LAUREN JEFFERIS MD
NPI 1346354776
Internal Medicine in San Marcos, CA

Q: What is Lauren Jefferis's NPI number?

The NPI number for Lauren Jefferis is 1346354776. It was assigned to this individual provider in the NPPES registry on August 19, 2006.

Q: What is Lauren Jefferis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Lauren Jefferis was last updated on February 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.

Active since August 19, 2006

150 VALPREDA RD, SAN MARCOS, CA 92069(760) 736-6700(760) 736-6782 Get Directions Write a Review

NPPES record last updated: February 27, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Lauren Jefferis Md NPPES

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

LAUREN JEFFERIS MD (NPI 1346354776) is an individual internal medicine provider in San Marcos, California, licensed in California (A80674) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1346354776

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameLAUREN JEFFERISCredential: MD

Location Address150 VALPREDA RDSan Marcos, CA 92069-2973

Mailing Address150 Valpreda RdSan Marcos, CA 92069-2973 · (760) 736-6700 · Fax (760) 736-6782

Phone(760) 736-6700

Fax(760) 736-6782

Sole ProprietorYes

Enumeration DateAugust 19, 2006

Last NPPES UpdateFebruary 27, 2008

✔ NPI 1346354776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A80674

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.

Also ListedPediatricsTaxonomy 208000000X · License A80674 (CA)

150 VALPREDA RD, San Marcos, CA 92069

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Other Identifiers 1

Medicare UPINI37298CA

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.

DR. GREGORY M SMITH

Dentist (General Practice)