Doctor profile · Federal record

Dr. Nicolas Thor, MD

Internal Medicine Physician (CMS: Internal Medicine) · Colton, CA

  • NPI 1861078545
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 N Pepper Ave
Colton, CA 923241801
(909) 580-1000

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
March 24, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A193399

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861078545. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$600
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $193.58
Janssen Pharmaceuticals, Inc 4 $178.21
Actelion Pharmaceuticals US, Inc. 1 $142.01
ABIOMED 2 $61.65
PUMA BIOTECHNOLOGY, INC. 1 $24.39

By nature of payment

Food and Beverage
$600

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
61
Patients
0
Total drug cost
$1,584
Drug Type Claims Patients Total cost
Nifedipine Er (Nifedipine) Brand 20 0 $686
Atorvastatin Calcium Generic 19 0 $369
Citalopram Hbr (Citalopram Hydrobromide) Brand 11 0 $101
Enalapril Maleate Generic 11 0 $428

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicolas Thor's medical specialty?
Dr. Nicolas Thor practices Internal Medicine Physician in Colton, CA.
Where does Dr. Nicolas Thor practice?
Dr. Nicolas Thor practices at 400 N Pepper Ave, Colton, CA 923241801. Office phone: 9095801000.
What is Dr. Nicolas Thor's NPI?
Dr. Nicolas Thor's National Provider Identifier (NPI) is 1861078545, issued by NPPES.
Does Dr. Nicolas Thor accept Medicare assignment?
Yes. Dr. Nicolas Thor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.