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JASON CHRISTOPHER ZELIS
NPI 1366967259
Counselor - Addiction (Substance Use Disorder) in Clayton, CA

Active since August 11, 2017
11540 MARSH CREEK RD, CLAYTON, CA 94517(925) 672-5700(925) 672-5700 Get Directions Write a Review

NPPES record last updated: August 11, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jason Christopher Zelis NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JASON CHRISTOPHER ZELIS (NPI 1366967259) is an individual addiction (substance use disorder) provider in Clayton, California, licensed in California (9078-R) and active in the NPI registry since August 2017.

NPPES Registry Identity

NPI1366967259
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJASON CHRISTOPHER ZELIS
Location Address11540 MARSH CREEK RDClayton, CA 94517-9759
Mailing Address11540 Marsh Creek RdClayton, CA 94517-9759 · (925) 672-5700 · Fax (925) 672-1374
Phone(925) 672-5700
Fax(925) 672-5700
Sole ProprietorNo
Enumeration DateAugust 11, 2017
✔ NPI 1366967259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CA · 9078-R
11540 MARSH CREEK RD, Clayton, CA 94517
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. MICHAEL ROSS STEVENSON SUDCC
Counselor (Addiction (Substance Use Disorder))
11540 MARSH CREEK RD
CLAYTON, CA 94517
Contra Costa County (925) 672-5700
MS. KIMBERLY ROCHELLE BOX RADT
Counselor (Addiction (Substance Use Disorder))
11540 MARSH CREEK RD
CLAYTON, CA 94517
Contra Costa County (925) 672-5700
MR. DAVID SPELLMAN-ZIMMERMAN RADT
Counselor (Addiction (Substance Use Disorder))
11540 MARSH CREEK RD
CLAYTON, CA 94517
Contra Costa County (925) 672-5700
MARK A CAIN JR.
Counselor (Addiction (Substance Use Disorder))
11540 MARSH CREEK RD
CLAYTON, CA 94517
Contra Costa County (925) 672-5700
JOSEPH DAVID EMERSON SUDRC I
Counselor (Addiction (Substance Use Disorder))
11540 MARSH CREEK RD
CLAYTON, CA 94517
Contra Costa County (925) 798-7250
MELLISSA FORTUNE CADC-II
Counselor (Addiction (Substance Use Disorder))
11540 MARSH CREEK RD
CLAYTON, CA 94517
Contra Costa County (925) 672-5700
MATTHEW MANUEL CASCAREJO COUNSELOR
Counselor (Addiction (Substance Use Disorder))
11540 MARSH CREEK RD
CLAYTON, CA 94517
Contra Costa County (925) 672-5700
BARBARA J ROBERTS
Counselor (Addiction (Substance Use Disorder))
11540 MARSH CREEK RD
CLAYTON, CA 94517
Contra Costa County (925) 672-5700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jason Zelis's NPI number?

The NPI number for Jason Zelis is 1366967259. It was assigned to this individual provider in the NPPES registry on August 11, 2017.

Where is Jason Zelis located?

Jason Zelis practices at 11540 Marsh Creek Rd, Clayton, CA 94517. The listed phone number is (925) 672-5700.

What is Jason Zelis's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Jason Zelis was last updated on August 11, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.