Physician Profile
Unclaimed ProfileAbout John Madsen
John Thomas Madsen, CADC II is a healthcare provider in Grass Valley, CA specializing in substance abuse rehabilitation facility. John is also listed as specializing in addiction & substance abuse counselor.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (530) 273-9541
- Email not available
Practice Locations
440 HENDERSON ST SIUTE C
Grass Valley, CA 95945
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Common questions
What does Dr. Madsen specialize in?
Dr. Madsen is a substance abuse rehabilitation facility in Grass Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Substance Abuse Rehabilitation Facility”.
NPI registry
Where is Dr. Madsen located?
Dr. Madsen is listed at 440 HENDERSON ST SIUTE C, Grass Valley, CA 95945. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Madsen's phone number?
The number on file is (530) 273-9541. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Madsen's NPI number?
Dr. Madsen's National Provider Identifier is 1194946582. 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
How long has Dr. Madsen been practicing?
Dr. Madsen has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Madsen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Madsen. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.