Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Nicolas Thor, MD

Individual provider Internal Medicine Physician · NPI 1861078545

Nicolas Thor, MD is an Internal Medicine in Colton, California. Qualified in 2021, 5 years ago. Practices with Hospitalist Corporation of Inland Empire, a 27-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Licensed in
CA
In the registry since
2021
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

400 N Pepper Ave
Colton, CA 92324-1801
Phone: (909) 580-1000
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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 A193399 (CA)

Record details

NPI number1861078545
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 22, 2021
Last updated in NPPESMarch 24, 2025
Certification dateMarch 24, 2025
Mailing address400 N Pepper Ave, Colton, CA 92324-1801

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Hospitalist Corporation Of Inland Empire — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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