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JEFFREY J. MARX MA
NPI 1154214435
Counselor - Professional in Saint Louis, MO

Active since June 03, 2025
9666 OLIVE BLVD, SAINT LOUIS, MO 63132(636) 323-9979 Get Directions Write a Review

NPPES record last updated: June 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jeffrey J. Marx Ma NPPES

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

JEFFREY J. MARX MA (NPI 1154214435) is an individual professional provider in Saint Louis, Missouri and active in the NPI registry since June 2025. He maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1154214435
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameJEFFREY J. MARXCredential: MA
Location Address9666 OLIVE BLVDSaint Louis, MO 63132-3013
Mailing Address851 Clubhouse DrBallwin, MO 63011-2854 · (636) 323-9979
Phone(636) 323-9979
Sole ProprietorNo
Enumeration DateJune 3, 2025
NPPES CertifiedJune 3, 2025
✔ NPI 1154214435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Also ListedMarriage & Family TherapistTaxonomy 106H00000X
9666 OLIVE BLVD, Saint Louis, MO 63132
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Secondary Practice Location 1

Location 18240 Saint Charles Rock RdSaint Louis, MO 63114-4508 · Phone (314) 427-3755 ext. 450

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.

GREG TISSI PLPC
Counselor (Professional)
9666 OLIVE BLVD
SAINT LOUIS, MO 63132
St. Louis County (314) 504-0718
JAYREE STONE M.ED. PLPC
Counselor (Professional)
9666 OLIVE BLVD
OLIVETTE, MO 63132
St. Louis County (314) 787-5100
JEANNE OBERDAN
Marriage & Family Therapist
9666 OLIVE BLVD, SUITE 400
SAINT LOUIS, MO 63132
St. Louis County (314) 754-2816
BRYAN THORSON MSW, LCSW
Social Worker (Clinical)
9666 OLIVE BLVD, SUITE 690
OLIVETTE, MO 63132
St. Louis County (314) 952-2426
KATRICE KENDLE MED
Counselor (Mental Health)
9666 OLIVE BLVD
SAINT LOUIS, MO 63132
St. Louis County (636) 577-2397
THERESA MARIE GARBO M.ED.
Counselor (Professional)
9666 OLIVE BLVD
OLIVETTE, MO 63132
St. Louis County (314) 787-5100
DR. AMY PEDIGO CARMICHAEL PHD, MED, MA, LMFT
Marriage & Family Therapist
9666 OLIVE BLVD
OLIVETTE, MO 63132
St. Louis County (314) 669-1277
CARE GIVER SUPPLY INC.
Dietitian, Registered
9666 OLIVE BLVD, SUITE 690
OLIVETTE, MO 63132
St. Louis County (314) 426-7778

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 Jeffrey Marx's NPI number?

The NPI number for Jeffrey Marx is 1154214435. It was assigned to this individual provider in the NPPES registry on June 3, 2025.

Where is Jeffrey Marx located?

Jeffrey Marx practices at 9666 Olive Blvd, Saint Louis, MO 63132. The listed phone number is (636) 323-9979.

What is Jeffrey Marx's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Jeffrey Marx was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.