Michael S. Leung, M.D.
Internal Medicine Physician · Pompton Plains, NJ
Michael S. Leung, M.D. is an internal medicine physician with a practice address in Pompton Plains, New Jersey, and NPI 1558305078, issued on Jun 15, 2006. Check the license (New Jersey 25MAO7529700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael S. Leung
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MAO7529700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1 Cedar Crest Village Dr, Pompton Plains, NJ 07444
- Phone
- (973) 831-3540
- Enumerated
- Jun 15, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (973) 831-3503
- Medicaid ID
- 9111000 NJ
- Medicare enrollment
- Enrolled (PECOS I20050404000142); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 1 Cedar Crest Village Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ibijoke Alade, MDInternal Medicine Physician1487683397
- Rustica Atienza, APNNurse Practitioner1538411830
- Deborah Bessen, M.D.Family Medicine Physician1093830978
- Samantha Cooper, MSOT, OTROccupational Therapist1053602995
- Danielle Cusimano, PTPhysical Therapist1003196395
- Arlene D' Cunha, M.D.Internal Medicine Physician1275744062
Verify Michael S. Leung 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 25MAO7529700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,240 Medicare Part D claims for 228 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 132 claims were for opioids.
Most prescribed
- Atorvastatin Calcium548 claims
- Eliquis345 claims
- Amlodipine Besylate311 claims
- Mirtazapine306 claims
- Tamsulosin Hcl303 claims
- Levothyroxine Sodium260 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 one group practice
- Tantalum Health LLCChatham, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael S. Leung among 4,632 internal medicine physician records in New Jersey
Michael S. Leung, M.D. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1999 · median 2000 among the 3,132 with a school on file
- Record last updated2021 · 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).
20 internal medicine physician records list a practice address in Pompton Plains
They are 20 of the 331 NPPES records with a practice address in Pompton Plains, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Pompton Plains → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ibijoke Alade, MDPompton Plains, NJ 074441487683397
- Dana Lyn Brahms, M.D.Pompton Plains, NJ 074441588730667
- Fatima Chaudhry, M.D.Pompton Plains, NJ 074441598056079
- Arlene D' Cunha, M.D.Pompton Plains, NJ 074441275744062
- Michael Dara, MDPompton Plains, NJ 074441356321780
- Uma Duvvuri, M.DPompton Plains, NJ 074441891756573
- Scott Haarburger, DOPompton Plains, NJ 074441811490766
- Raffaella Kalishman, M.D.Pompton Plains, NJ 074441255610507
Common questions
What is Michael S. Leung, M.D.'s NPI number?
Michael S. Leung, M.D.'s National Provider Identifier (NPI) is 1558305078, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Leung, M.D. located?
The NPPES record lists a practice address at 1 Cedar Crest Village Dr, Pompton Plains, NJ, 07444. Phone: (973) 831-3540. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Leung, M.D.'s license?
NPPES lists New Jersey license number 25MAO7529700, 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 Michael S. Leung, M.D. prescribe under Medicare Part D?
In 2024, Michael S. Leung, M.D. had 10,240 Medicare Part D claims for 228 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.