Doctor profile · Federal record

Dr. Joseph Detweiler, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Thousand Oaks, CA

  • NPI 1902484850
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
215 W Janss RD
Thousand Oaks, CA 913601847
(805) 497-2727

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
July 31, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A193411

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902484850. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, INC. 1 $34.70

By nature of payment

Food and Beverage
$35

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Detweiler's medical specialty?
Dr. Joseph Detweiler practices Internal Medicine Physician in Thousand Oaks, CA.
Where does Dr. Joseph Detweiler practice?
Dr. Joseph Detweiler practices at 215 W Janss RD, Thousand Oaks, CA 913601847. Office phone: 8054972727.
What is Dr. Joseph Detweiler's NPI?
Dr. Joseph Detweiler's National Provider Identifier (NPI) is 1902484850, issued by NPPES.
Does Dr. Joseph Detweiler accept Medicare assignment?
Yes. Dr. Joseph Detweiler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.