Physician Profile
Brent D. Diehl, MD
Unclaimed ProfileAbout Dr. Diehl
Brent D. Diehl, MD is a healthcare provider in Thousand Oaks, CA specializing in internal medicine. Brent is also listed as specializing in student in an organized health care education program. This provider record is associated with NPI 1336841923.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (805) 852-9229
- Email not available
Practice Locations
215 W JANSS RD
Thousand Oaks, CA 91360
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 6 related providers in 1 group
Common questions
What does Dr. Diehl specialize in?
Dr. Diehl is an internist in Thousand Oaks, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Dr. Diehl located?
Dr. Diehl is listed at 215 W Janss Rd, Thousand Oaks, CA 91360. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Diehl's phone number?
The number on file is (805) 852-9229. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Diehl?
Dr. Diehl's National Provider Identifier is 1336841923. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Diehl go to medical school?
Dr. Diehl attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Diehl have?
Dr. Diehl has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
Is Dr. Diehl's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Diehl. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.