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DR. SHARON WILLIAMS M.D.
NPI 1457772949
Allergy & Immunology in North Tustin, CA

Active since December 30, 2013
12231 NEWPORT AVE, NORTH TUSTIN, CA 92705(949) 519-2311(949) 276-3209 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 7, 2023, Sep 30, 2020 (2 updates tracked since 2020).

About Dr. Sharon Williams M.d. NPPES

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

DR. SHARON WILLIAMS M.D. (NPI 1457772949) is an individual allergy & immunology provider in North Tustin, California, licensed in California (A113432) and active in the NPI registry since December 2013.

NPPES Registry Identity

NPI1457772949
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDR. SHARON WILLIAMSCredential: M.D.
Location Address12231 NEWPORT AVENorth Tustin, CA 92705-3205
Mailing AddressPo Box 14107Irvine, CA 92623-4107 · (949) 519-2311 · Fax (949) 276-3209
Phone(949) 519-2311
Fax(949) 276-3209
Sole ProprietorYes
Enumeration DateDecember 30, 2013
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedMarch 7, 2023
✔ NPI 1457772949 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · A113432
Definition
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.
Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License A133432 (CA)
Also ListedAllergy & Immunology · Clinical & Laboratory ImmunologyTaxonomy 207KI0005X · License A133432 (CA)
Also ListedInternal MedicineTaxonomy 207R00000X · License A133432 (CA)
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License A133432 (CA)
Also ListedPediatrics · Pediatric Allergy/ImmunologyTaxonomy 2080P0201X · License A133432 (CA)
12231 NEWPORT AVE, North Tustin, CA 92705
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Other Providers at the Same Location NPPES 5

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

GERMIN SOLIMAN D.O.
Internal Medicine
12231 NEWPORT AVE
NORTH TUSTIN, CA 92705
Orange County (949) 640-0635
INTERNAL MEDICINE PHYSICIANS OF NEWPORT BEACH, INC.
Clinic/Center
12231 NEWPORT AVE
NORTH TUSTIN, CA 92705
Orange County (949) 640-0635
JINSUN CHOI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
12231 NEWPORT AVE
NORTH TUSTIN, CA 92705
Orange County (949) 441-2164
ERICA M. KUHN DO
Internal Medicine
12231 NEWPORT AVE
NORTH TUSTIN, CA 92705
Orange County (949) 640-0635
DR. SAED SAID DMD
Dentist
12231 NEWPORT AVE
SANTA ANA, CA 92705
Orange County (714) 318-3927

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 Sharon Williams's NPI number?

The NPI number for Sharon Williams is 1457772949. It was assigned to this individual provider in the NPPES registry on December 30, 2013.

Where is Sharon Williams located?

Sharon Williams practices at 12231 Newport Ave, North Tustin, CA 92705. The listed phone number is (949) 519-2311.

What is Sharon Williams's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

When was this NPI record last updated?

The NPPES record for Sharon Williams was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.