DR. MARK TODD LEIBOWITZ M.D.
NPI 1144352907
Internal Medicine in Long Beach, CA

Q: What is Mark Leibowitz's NPI number?

The NPI number for Mark Leibowitz is 1144352907. It was assigned to this individual provider in the NPPES registry on March 9, 2007.

Q: What is Mark Leibowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Leibowitz was last updated on May 28, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 09, 2007

2600 REDONDO AVE, SUITE 500, LONG BEACH, CA 90806(562) 304-1742(562) 981-0374 Get Directions Write a Review

NPPES record last updated: May 28, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Mark Todd Leibowitz M.d. NPPES

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

DR. MARK TODD LEIBOWITZ M.D. (NPI 1144352907) is an individual internal medicine provider in Long Beach, California, licensed in California (C41646) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1144352907

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARK TODD LEIBOWITZCredential: M.D.

Location Address2600 REDONDO AVE, SUITE 500Long Beach, CA 90806-2325

Mailing Address2600 Redondo Ave, Suite 500Long Beach, CA 90806-2325 · (562) 304-1742 · Fax (562) 981-0374

Phone(562) 304-1742

Fax(562) 981-0374

Sole ProprietorNo

Enumeration DateMarch 9, 2007

Last NPPES UpdateMay 28, 2013

✔ NPI 1144352907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · C41646

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2600 REDONDO AVE, Long Beach, CA 90806

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