Liby Mathew, MD
Internal Medicine Physician · Paramus, NJ
Liby Mathew, MD is an internal medicine physician with a practice address in Paramus, New Jersey, and NPI 1154587566, issued on Aug 5, 2008. Check the license (New Jersey 25MA12057200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Liby Mathew
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA12057200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 10 Forest Ave Ste 220, Paramus, NJ 07652
- Phone
- (201) 639-7690
- Enumerated
- Aug 5, 2008
- Record last updated
- Mar 31, 2026
- Fax
- (862) 406-1650
- Medicare enrollment
- Enrolled (PECOS I20260128003799); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify Liby Mathew 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 25MA12057200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,832 Medicare Part D claims for 709 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 74 claims were for opioids.
Most prescribed
- Atorvastatin Calcium517 claims
- Amlodipine Besylate356 claims
- Levothyroxine Sodium315 claims
- Omeprazole267 claims
- Losartan Potassium244 claims
- Simvastatin235 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.
Bills Medicare through 2 group practices
- Crystal Run Healthcare Physicians LLPWest Nyack, NY
- Mpv New Jersey MD Services PCDumont, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Liby Mathew among 4,632 internal medicine physician records in New Jersey
Liby Mathew, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2003 · median 2000 among the 3,132 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 internal medicine physician records list a practice address in Paramus
They are 49 of the 1,842 NPPES records with a practice address in Paramus, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Paramus → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nourihan Adel, MDParamus, NJ 076521134171556
- Irina Anshelevich, M.D.Paramus, NJ 076521235176462
- Thomas Cacciola, MDParamus, NJ 076521043273857
- Amy Chinigo, M.D.Paramus, NJ 076521811936842
- Salvatore Focella, M.D.Paramus, NJ 076521013901511
- Dana Gellis, MDParamus, NJ 076521477500577
- Tonel Leibu, M.D.Paramus, NJ 076521649249582
- Peter Luongo, M.D.Paramus, NJ 076521376520940
Common questions
What is Liby Mathew, MD's NPI number?
Liby Mathew, MD's National Provider Identifier (NPI) is 1154587566, issued on Aug 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Liby Mathew, MD located?
The NPPES record lists a practice address at 10 Forest Ave Ste 220, Paramus, NJ, 07652. Phone: (201) 639-7690. Providers update this record themselves, so call before visiting.
How can I verify Liby Mathew, MD's license?
NPPES lists New Jersey license number 25MA12057200, 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 Liby Mathew, MD prescribe under Medicare Part D?
In 2024, Liby Mathew, MD had 7,832 Medicare Part D claims for 709 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.