Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1285618215 Deactivated / Inactive NPI Male Practitioner

Dr. Sixto F Guiang , MD

Allergy & Immunology • Berkeley, CA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Sixto Guiang has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date December 02, 2005
NPI Deactivation Date January 22, 2019
Total Practice Duration ~14 Years of Practice (2005 – 2019)

Professional Overview & Biography Verified Profile Summary

Dr. Sixto Guiang, MD was a registered Allergy & Immunology practicing in Berkeley, CA. Throughout an active medical career spanning 14 years, Dr. Guiang provided care at the practice location at 2999 REGENT ST until profile deactivation on 2019-01-22.

Practice Location & Contact Primary Location

Practice Address

2999 Regent St
#626

Berkeley, CA 947052146

Telephone 5102048800
Fax 5102048801
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Allergy & Immunology in Berkeley, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 31.0 Yrs
State Avg: 26.0 Yrs
Regional Practice Density
5 Specialists

Practicing in Berkeley, CA (476 Statewide)

Telehealth Adoption Rate
40.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Allergy & Immunology Primary Specialty

NUCC Taxonomy Code: 207K00000X

State License CA CA0283

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
NPI 1962487421

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated January 22, 2019

Record deactivated on January 22, 2019

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 2999 REGENT ST, #626, BERKELEY, CA 947052146 (Tel: 5102048800)

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Updated Business Mailing Address July 08, 2007

Registered at 2999 REGENT ST, #626, BERKELEY, CA 947052146 (Tel: 5102048800)

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Provider Name / Credentials Updated July 08, 2007

Recorded as SIXTO GUIANG, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Allergy & Immunology (License #CA0283 in CA)

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Initial NPI Registration & Enumeration December 02, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1285618215
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 02, 2005
Last Update: July 08, 2007
Deactivation Date: January 22, 2019

Mailing Address

2999 Regent St, #626

Berkeley, CA 947052146

Phone: 5102048800

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.