Keith S. Leibowitz, DO
Cardiovascular Disease Physician · Mountain Lakes, NJ
Keith S. Leibowitz, DO is a cardiovascular disease physician with a practice address in Mountain Lakes, New Jersey, and NPI 1134190903, issued on Jan 30, 2006. Check the license (New Jersey 25MB078666000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Keith S. Leibowitz
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 25MB078666000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 415 Boulevard, Mountain Lakes, NJ 07046
- Phone
- (973) 334-7700
- Enumerated
- Jan 30, 2006
- Record last updated
- Mar 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (973) 402-5847
- Medicaid ID
- 0070122 NJ
- Medicare enrollment
- Enrolled (PECOS I20050726000171); accepts Medicare assignment
- Medical or professional school
- Rowan University School Of Osteopathic Medicine, 1999
- Entity
- Type 1 · individual
Also registered at 415 Boulevard
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Derenzi, MDCardiovascular Disease Physician1164411773
- Michael Malagold, MDCardiovascular Disease Physician1710976857
- Sheikh Naeem, MDCardiovascular Disease Physician1932198538
- Hyeun Park, MDCardiovascular Disease Physician1235226960
- Philip Rogers, MDCardiovascular Disease Physician1174512776
- Phillip Ruisi, DOInterventional Cardiology Physician1720249618
Verify Keith S. Leibowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MB078666000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% more Medicare Part D claims than the average cardiovascular disease physician in 2024
5,926 Medicare Part D claims for 841 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium827 claims
- Metoprolol Succinate502 claims
- Amlodipine Besylate455 claims
- Ezetimibe298 claims
- Carvedilol293 claims
- Eliquis290 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $456.75
24 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Cardiovascular Health Consultants, P.A.Morristown, NJ
- Practice Associates Medical GroupMorristown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
13 cardiovascular disease physician records list a practice address in Mountain Lakes
They are 13 of the 115 NPPES records with a practice address in Mountain Lakes, and 1,102 cardiovascular disease physician records in New Jersey.
All 13 in Mountain Lakes → All 1,102 in New Jersey → Every provider in Mountain Lakes →
Other cardiovascular disease physician records in New Jersey
- Michael Aaron, D.O.Neptune, NJ1336129071
- Kariann Abbate, MDRidgewood, NJ1548429582
- Rachel Abboud, DOPaterson, NJ1366931107
- Mary Abed, M.D.Jersey City, NJ1134185432
- Andrew Adelsheimer, MDNew Providence, NJ1881154235
- Baback Adibi, M.D.Teaneck, NJ1164491346
- Irfan AdmaniEdgewater, NJ1043228588
- Ashish Agarwal, MDRobbinsville, NJ1821174483
- Ashoke Agarwal, MD FACCPaterson, NJ1780649608
- Shashi Agarwal, M.D.East Orange, NJ1558416099
Common questions
What is Keith S. Leibowitz, DO's NPI number?
Keith S. Leibowitz, DO's National Provider Identifier (NPI) is 1134190903, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith S. Leibowitz, DO located?
The NPPES record lists a practice address at 415 Boulevard, Mountain Lakes, NJ, 07046. Phone: (973) 334-7700. Providers update this record themselves, so call before visiting.
How can I verify Keith S. Leibowitz, DO's license?
NPPES lists New Jersey license number 25MB078666000, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Keith S. Leibowitz, DO prescribe under Medicare Part D?
In 2024, Keith S. Leibowitz, DO had 5,926 Medicare Part D claims for 841 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.