THOMAS J. FERGUSON M.D., PH.D. – NPI #1710998422
Preventive Medicine
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.
THOMAS FERGUSON is a physician located in DAVIS, CA. NPPES has assigned the NPI number 1710998422 to THOMAS FERGUSON on August 10, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 2083X0100X from the Health Care Provider Taxonomy code set, which is classified as Preventive Medicine, specializing in Occupational Medicine
The NPI profile was last updated on Sep 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for THOMAS FERGUSON below.
NPI Profile for
THOMAS J. FERGUSON
(about 20 years ago)
DAVIS, CA 95616-5270 Phone: (530) 752-2300 Fax: (530) 752-2306
DAVIS, CA 95616-6553 Phone: (530) 753-6499 Fax:
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 2083X0100X - Preventive Medicine / Occupational Medicine (Primary) |
CA | G63228 |
| 207R00000X - Internal Medicine |
CA | G63228 |
| 207PT0002X - Emergency Medicine / Medical Toxicology |
CA | G63228 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.