Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Keith S Leibowitz, DO

Individual provider Cardiovascular Disease Physician · NPI 1134190903

Keith S Leibowitz, DO is a Cardiovascular Disease (Cardiology) in Mountain Lakes, New Jersey. Graduated from Rowan University School of Osteopathic Medicine in 1999, 27 years ago. Practices with Practice Associates Medical Group, a 1,403-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
27
Trained at
Rowan University School of Osteopathic Medicine
Licensed in
NJ
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

415 Blvd
Mountain Lakes, NJ 07046
Phone: (973) 334-7700
Fax: (973) 402-5847
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 25MB078666000 (NJ)

Record details

NPI number1134190903
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 30, 2006
Last updated in NPPESMarch 22, 2021
Certification dateMarch 22, 2021
Mailing addressPo Box 416457, Boston, MA 02241-6457

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolROWAN UNIVERSITY SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 1999 (27 years in practice)
Group practice Practice Associates Medical Group — 1403 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

Other providers in Mountain Lakes