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SUSAN K GRENZ MD
NPI 1013989870
Internal Medicine in Laguna Woods, CA

Active since February 06, 2006
779 C VIA LOS ALTOS, LAGUNA WOODS, CA 92637(727) 798-6640 Get Directions Write a Review

NPPES record last updated: December 16, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Susan K Grenz Md NPPES

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

SUSAN K GRENZ MD (NPI 1013989870) is an individual internal medicine provider in Laguna Woods, California, licensed in Montana (18697) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1013989870
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSUSAN K GRENZCredential: MD
Location Address779 C VIA LOS ALTOSLaguna Woods, CA 92637
Mailing Address779 Via Los Altos Unit CLaguna Woods, CA 92637-4828 · (727) 798-6640
Phone(727) 798-6640
Sole ProprietorYes
Enumeration DateFebruary 6, 2006
Last NPPES UpdateDecember 16, 2013
✔ NPI 1013989870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MT · 18697✔ Licensed in ND · 12279
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.
779 C VIA LOS ALTOS, Laguna Woods, CA 92637
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Other Identifiers 10

Other123063Humana Gold
Other622728Aetna
Other592712571United Health Care
Other62527Bcbs
Medicare UPIND57485
Medicare ID-Type Unspecified62527BFL
Other123062Humana
Other3000067Baycare
Other102600Aumed
Other3386236002Cigna

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 Susan Grenz's NPI number?

The NPI number for Susan Grenz is 1013989870. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Susan Grenz located?

Susan Grenz practices at 779 C Via Los Altos, Laguna Woods, CA 92637. The listed phone number is (727) 798-6640.

What is Susan Grenz'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 Susan Grenz was last updated on December 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.