Joseph Kasper, MD
Internal Medicine Physician · Saddle River, NJ
Joseph Kasper, MD is an internal medicine physician with a practice address in Saddle River, New Jersey, and NPI 1437247558, issued on Oct 11, 2006. Check the license (New Jersey MA064450, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Joseph Kasper
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA064450 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 82 E Allendale RD Ste 4A, Saddle River, NJ 07458
- Phone
- (201) 236-2000
- Enumerated
- Oct 11, 2006
- Record last updated
- Apr 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20050420000890); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1993
- Entity
- Type 1 · individual
Verify Joseph Kasper 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 MA064450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average internal medicine physician in 2024
5,819 Medicare Part D claims for 524 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 49 claims were for opioids.
Most prescribed
- Atorvastatin Calcium514 claims
- Amlodipine Besylate375 claims
- Levothyroxine Sodium315 claims
- Hydrochlorothiazide209 claims
- Escitalopram Oxalate190 claims
- Metoprolol Succinate185 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 internal medicine physician records list a practice address in Saddle River
They are 2 of the 48 NPPES records with a practice address in Saddle River, and 4,632 internal medicine physician records in New Jersey.
All 2 in Saddle River → All 4,632 in New Jersey → Every provider in Saddle River →
Other internal medicine physician records in New Jersey
- Joseph Aaron, MD, FACPShort Hills, NJ1861584633
- Sirike Aasmaa, DOMontville, NJ1861549925
- Holly Abate Bersalona, M.D.Sea Girt, NJ1669500492
- Kaniz Zehra Abbas, MDTrenton, NJ1598253858
- Shahida Abbas, MDOld Bridge, NJ1023104098
- Shahed AbbasiNewark, NJ1477810752
- Samih Abbassi, MDWest Orange, NJ1750380358
- Somaya Abboud, MDWest Orange, NJ1326089004
- Hilal Abboushi, MDBloomfield, NJ1548378029
- Anthony Abbruzzi, D.O.Pleasantville, NJ1629034905
Common questions
What is Joseph Kasper, MD's NPI number?
Joseph Kasper, MD's National Provider Identifier (NPI) is 1437247558, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Kasper, MD located?
The NPPES record lists a practice address at 82 E Allendale RD Ste 4A, Saddle River, NJ, 07458. Phone: (201) 236-2000. Providers update this record themselves, so call before visiting.
How can I verify Joseph Kasper, MD's license?
NPPES lists New Jersey license number MA064450, 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 Joseph Kasper, MD prescribe under Medicare Part D?
In 2024, Joseph Kasper, MD had 5,819 Medicare Part D claims for 524 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Joseph Kasper, MD's MIPS final score?
The 2023 MIPS final score is 88.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.