Provider Profile
Karl Maciejewski
Unclaimed ProfileAbout Karl Maciejewski
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (818) 241-6780
- Email not available
Practice Locations
1333 S MAYFLOWER AVE SUITE 220
Monrovia, CA 91016
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 providers at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
Where can I find Karl Maciejewski?
Karl Maciejewski is listed at 1333 S Mayflower Ave Suite 220, Monrovia, CA 91016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Karl Maciejewski?
The number on file is (818) 241-6780. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Karl Maciejewski's NPI number?
Karl Maciejewski's National Provider Identifier is 1689514242. 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
Has Karl Maciejewski confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Karl Maciejewski. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.