| Doctor Name: | JAY A. KEYSTONE |
| NPI Number: | 1306115001 |
| Entity Type Code: | Individual (1) |
| Gender: | M |
| Credentials: | M.D. |
| License Number: | C29865 |
| Business Practice Address: | 1804 Quail Meadows Cir Vacaville, CA - 956876565 |
| Business Phone Number: | 7074468581 |
| Business Fax Number: | 7074468581 |
| Mailing Address: | 1804 Quail Meadows Cir, VACAVILLE |
| State: | CA |
| Postal Code: | 956876565 |
| Phone Number: | 7074468581 |
| Fax Number: | 7074468581 |
| NPI Enumeration Date: | 12/26/2011 |
| NPI Last Update Date: | 12/26/2011 |
| Replacement NPI: | 0 |
| NPI Deactivation Date: | |
| NPI Reactivation Date: |
Taxonomy Information: | |
| Healthcare Provider Taxonomy: | 207K00000X |
| License Number: | C29865 |
| Healthcare Provider Taxonomy: (Secondary) | N |
| State: | CA |
| Taxonomy Type: | Allopathic & Osteopathic Physicians |
| Taxonomy Classification: | Allergy & Immunology |
| Taxonomy Specialization: | |
| Taxonomy 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. |