DR. JAMES G. MARX M.D.
NPI 1922153907
Anesthesiology - Pain Medicine in Las Vegas, NV

Q: What is James Marx's NPI number?

The NPI number for James Marx is 1922153907. It was assigned to this individual provider in the NPPES registry on January 23, 2007.

Q: What is James Marx's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Q: Is James Marx enrolled in Medicare?

No. James Marx has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for James Marx was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 January 23, 2007Opted out of Medicare · through Jan 1, 2027

608 S JONES BLVD, LAS VEGAS, NV 89107(702) 878-4568 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 04, 2026.

On this page

About Dr. James G. Marx M.d. NPPES

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

DR. JAMES G. MARX M.D. (NPI 1922153907) is an individual pain medicine provider in Las Vegas, Nevada, licensed in Nevada (6619) and active in the NPI registry since January 2007. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1922153907

Entity TypeIndividualMale

Primary Taxonomy207LP2900X

Provider Legal NameDR. JAMES G. MARXCredential: M.D.

Location Address608 S JONES BLVDLas Vegas, NV 89107-3613

Mailing Address608 S Jones BlvdLas Vegas, NV 89107-3613 · (702) 878-4568

Phone(702) 878-4568

Sole ProprietorYes

Enumeration DateJanuary 23, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1922153907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207LP2900X

Licenses✔ Licensed in NV · 6619✔ Licensed in CA · C37925✔ Licensed in NE · 12694

Definition

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

608 S JONES BLVD, Las Vegas, NV 89107

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Other Identifiers 1

Medicare UPINC35664NV

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. James G. Marx M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2013 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2013

Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 James Marx's NPI number?

The NPI number for James Marx is 1922153907. It was assigned to this individual provider in the NPPES registry on January 23, 2007.

Where is James Marx located?

James Marx practices at 608 S Jones Blvd, Las Vegas, NV 89107. The listed phone number is (702) 878-4568.

What is James Marx's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is James Marx enrolled in Medicare?

No. James Marx has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for James Marx was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.