MR. HOWARD MARX MD
NPI 1356307136
Radiology - Diagnostic Radiology in Pasadena, CA

Q: What is Howard Marx's NPI number?

The NPI number for Howard Marx is 1356307136. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Q: What is Howard Marx's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Howard Marx was last updated on July 23, 2018. 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.

Active since April 21, 2006

2090 WOODLYN AVE., PASADENA, CA 91104(626) 398-7642 Get Directions Write a Review

NPPES record last updated: July 23, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 23, 2018, Mar 22, 2018 (2 updates tracked since 2018).

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About Mr. Howard Marx Md NPPES

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

MR. HOWARD MARX MD (NPI 1356307136) is an individual diagnostic radiology provider in Pasadena, California, licensed in California (G48962) and active in the NPI registry since April 2006. He maintains a secondary practice location in Duarte.

NPPES Registry Identity

NPI1356307136

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameMR. HOWARD MARXCredential: MD

Location Address2090 WOODLYN AVE.Pasadena, CA 91104

Mailing Address2090 Woodlyn Ave.Pasadena, CA 91104

Phone(626) 398-7642

Sole ProprietorNo

Enumeration DateApril 21, 2006

Last NPPES UpdateJuly 23, 20182 updates tracked since enumeration

✔ NPI 1356307136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · G48962

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedInternal MedicineTaxonomy 207R00000X · License G48962 (CA)

2090 WOODLYN AVE., Pasadena, CA 91104

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Secondary Practice Location 1

Location 11500 E Duarte RdDuarte, CA 91010 · Phone (626) 359-8111

Other Identifiers 1

Medicaid00G489620CA

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 Howard Marx's NPI number?

The NPI number for Howard Marx is 1356307136. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Where is Howard Marx located?

Howard Marx practices at 2090 Woodlyn Ave., Pasadena, CA 91104. The listed phone number is (626) 398-7642.

What is Howard Marx's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for Howard Marx was last updated on July 23, 2018. 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.