Provider Profile
Jason Christopher Zelis
Unclaimed ProfileAbout Jason Zelis
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (925) 672-5700
- Email not available
Practice Locations
11540 MARSH CREEK RD
Clayton, CA 94517
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 addiction & substance abuse counselors at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 3
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 is Dr. Zelis's specialty?
Dr. Zelis is an addiction & substance abuse counselor in Clayton, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Addiction & Substance Abuse Counselor”.
NPI registry
Where can I find Dr. Zelis?
Dr. Zelis is listed at 11540 MARSH CREEK RD, Clayton, CA 94517. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Zelis?
The number on file is (925) 672-5700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Zelis?
Dr. Zelis's National Provider Identifier is 1366967259. 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 much experience does Dr. Zelis have?
Dr. Zelis has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Dr. Zelis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zelis. 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.