Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Thomas Daniel Erskine, MD

Individual provider Internal Medicine Physician · NPI 1194732339

Thomas Daniel Erskine, MD practises Internal Medicine in Vacaville, California. Graduated from University of Southern California Keck School of Medicine in 1996, 30 years ago. Practices with St Lukes Clinic-Treasure Valley LLC, a 1,150-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1010 Nut Tree Rd Ste 100
Vacaville, CA 95687-4172
Phone: (707) 624-7979
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A63845 (CA)

Record details

NPI number1194732339
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 1, 2006
Last updated in NPPESFebruary 21, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice St Lukes Clinic-Treasure Valley Llc — 1150 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients321
Services billed 723 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at St Lukes Clinic-Treasure Valley LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1150 clinicians in the practice; 12 are shown here.

Other providers in Vacaville