SIERRA INFECTIOUS DISEASES A PROFESSIONAL MEDICAL CORPORATION
NPI 1629185418
Internal Medicine - Infectious Disease in Fair Oaks, CA

Q: What is Sierra Infectious Diseases A Professional Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Active since August 25, 2006CLIA 05D0671388 · Waiver

6614 MERCY CT, SUITE A, FAIR OAKS, CA 95628(916) 536-1136(916) 536-1148 Get Directions Write a Review

NPPES record last updated: November 26, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Sierra Infectious Diseases A Professional Medical Corporation NPPES

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

SIERRA INFECTIOUS DISEASES A PROFESSIONAL MEDICAL CORPORATION (NPI 1629185418) is a healthcare organization registered as an infectious disease in Fair Oaks, California and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through December 30, 2027 and lists Elizabeth J Kailath, Physician, as its authorized official.

NPPES Registry Identity

NPI1629185418

Entity TypeOrganization

Primary Taxonomy207RI0200X

Legal Business NameSIERRA INFECTIOUS DISEASES A PROFESSIONAL MEDICAL CORPORATION

Location Address6614 MERCY CT, SUITE AFair Oaks, CA 95628-3167

Mailing Address6614 Mercy Ct, Suite AFair Oaks, CA 95628-3167 · (916) 536-1136 · Fax (916) 536-1148

Phone(916) 536-1136

Fax(916) 536-1148

Organization SubpartNo

Authorized OfficialElizabeth J KailathPhysician · (916) 536-1136

Enumeration DateAugust 25, 2006

Last NPPES UpdateNovember 26, 2014

✔ NPI 1629185418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in CA · A41552

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License A41552 (CA)

6614 MERCY CT, Fair Oaks, CA 95628

Open in Google Maps ↗

Other Identifiers 1

Medicare PINZZZ28222ZCA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0671388

Sierra Infectious Diseases, A Professional Medical Corporation · Fair Oaks, CA

Active · expires Dec 30, 2027

CLIA Number05D0671388

Laboratory TypePhysician Office

Certificate Effective DateDecember 31, 2025

Certificate Expiration DateDecember 30, 2027

Laboratory DirectorElizabeth J. Kailath MD

Laboratory Phone(916) 536-1136

Laboratory LocationSierra Infectious Diseases, A Professional Medical Corporation6614 Mercy Ct Ste A, Fair Oaks, CA 95628

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 3

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

DR. HWEI-SHIN HUANG MD

Internal Medicine

6614 MERCY CT
FAIR OAKS, CA 95628

Sacramento County (916) 536-1133

MS. ALLISON MAXSON DPT

Physical Therapist

6614 MERCY CT, SUITE C
FAIR OAKS, CA 95628

Sacramento County (916) 863-5785

ELIZABETH J KAILATH MD,MPH

Internal Medicine (Infectious Disease)

6614 MERCY CT, SUITE A
FAIR OAKS, CA 95628

Sacramento County (916) 536-1136

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 Sierra Infectious Diseases A Professional Medical Corporation's NPI number?

The NPI number for Sierra Infectious Diseases A Professional Medical Corporation is 1629185418. It was assigned to this organization in the NPPES registry on August 25, 2006.

Where is Sierra Infectious Diseases A Professional Medical Corporation located?

Sierra Infectious Diseases A Professional Medical Corporation is located at 6614 Mercy Ct Suite A, Fair Oaks, CA 95628. The listed phone number is (916) 536-1136.

What is Sierra Infectious Diseases A Professional Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Does Sierra Infectious Diseases A Professional Medical Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0671388) is associated with this NPI, valid through December 30, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Sierra Infectious Diseases A Professional Medical Corporation was last updated on November 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.