1. Home
  2. Directory
  3. California
  4. Davis
  5. Preventive Medicine
  6. NPI Profile

THOMAS JEFFREY FERGUSON M.D., PH.D.
NPI 1710998422
Preventive Medicine - Occupational Medicine in Davis, CA

Active since August 10, 2006
1 SHIELDS AVE, DAVIS, CA 95616(530) 752-2300(530) 752-2306 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Thomas Jeffrey Ferguson M.d., Ph.d. NPPES

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

THOMAS JEFFREY FERGUSON M.D., PH.D. (NPI 1710998422) is an individual occupational medicine provider in Davis, California, licensed in California (G63228) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1710998422
Entity TypeIndividualMale
Primary Taxonomy2083X0100X
Provider Legal NameTHOMAS JEFFREY FERGUSONCredential: M.D., PH.D.
Location Address1 SHIELDS AVEDavis, CA 95616-5270
Mailing Address3044 Donato LnDavis, CA 95616-6553 · (530) 753-6499
Phone(530) 752-2300
Fax(530) 752-2306
Sole ProprietorNo
Enumeration DateAugust 10, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1710998422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPreventive Medicine · Occupational MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083X0100X
License✔ Licensed in CA · G63228
Definition
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.
Also ListedEmergency Medicine · Medical ToxicologyTaxonomy 207PT0002X · License G63228 (CA)
Also ListedInternal MedicineTaxonomy 207R00000X · License G63228 (CA)

Other Providers at the Same Location NPPES 20

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

DR. JOHN IBARRA M.D.
Specialist
1 SHIELDS AVE
DAVIS, CA 95616
Yolo County (530) 752-2300
MIKA BROWN
Counselor (Mental Health)
1 SHIELDS AVE
DAVIS, CA 95616
Yolo County (530) 752-2300
NAOMI SAKAI
Psychologist (Counseling)
1 SHIELDS AVE, CAPS, 219 NORTH HALL, UNIVERSITY OF CALIFORNIA, DAVIS
DAVIS, CA 95616
Yolo County (530) 752-5665
RACHAEL MACK RD
Dietitian, Registered (Nutrition, Sports Dietetics)
1 SHIELDS AVE
DAVIS, CA 95616
Yolo County (530) 304-2104
DR. TATUM K PHAN PH.D.
Psychologist (Counseling)
1 SHIELDS AVE, STUDENT HEALTH & COUNSELING SERVICES - UC DAVIS
DAVIS, CA 95616
Yolo County (530) 752-0871
ERIC SALES MD
Pediatrics (Sports Medicine)
1 SHIELDS AVE
DAVIS, CA 95616
Yolo County (530) 752-8356
UC DAVIS STUDENT HEALTH AND COUNSELING SERVICES
Clinic/Center (Student Health)
1 SHIELDS AVE, SHCS
DAVIS, CA 95616
Yolo County (530) 752-2300
DR. OLIVIA ALISON KNIZEK PH.D.
Psychologist (Counseling)
1 SHIELDS AVE
DAVIS, CA 95616
Yolo County (530) 752-0871

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 Thomas Ferguson's NPI number?

The NPI number for Thomas Ferguson is 1710998422. It was assigned to this individual provider in the NPPES registry on August 10, 2006.

Where is Thomas Ferguson located?

Thomas Ferguson practices at 1 Shields Ave, Davis, CA 95616. The listed phone number is (530) 752-2300.

What is Thomas Ferguson's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

When was this NPI record last updated?

The NPPES record for Thomas Ferguson was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.