Jonathan B. Shammash, MD
Internal Medicine Physician · Hackensack, NJ
Jonathan B. Shammash, MD is an internal medicine physician with a practice address in Hackensack, New Jersey, and NPI 1518055896, issued on Oct 11, 2006. Check the license (New Jersey 25MA08593400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Jonathan B. Shammash
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 25MA08593400 NJ
206910 NY
Self-reported in NPPES; status is on the state search - Practice location
- 385 Prospect Ave Ste 204, Hackensack, NJ 07601
- Phone
- (551) 996-9150
- Enumerated
- Oct 11, 2006
- Record last updated
- Apr 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (551) 996-9144
- Medicaid ID
- 01771219 NY
- Medicare enrollment
- Enrolled (PECOS I20090924000538); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 385 Prospect Ave Ste 204
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cristina Martinez, FNP-BCNurse Practitioner1821304569
- Karan Omidvari, MDCritical Care Medicine (Internal Medicine) Physician1962474742
- Waqas Rahman, MDInternal Medicine Physician1699271346
Verify Jonathan B. Shammash 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 25MA08593400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,244 Medicare Part D claims for 281 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium183 claims
- Rosuvastatin Calcium134 claims
- Amlodipine Besylate123 claims
- Losartan Potassium93 claims
- Metoprolol Succinate75 claims
- Lisinopril54 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): 75.8 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).
Industry payments in 2024: $133.05
8 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Hackensack Meridian Health Medical Group - Primary Care PCHackensack, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
100 internal medicine physician records list a practice address in Hackensack
They are 100 of the 2,908 NPPES records with a practice address in Hackensack, and 4,632 internal medicine physician records in New Jersey.
All 100 in Hackensack → All 4,632 in New Jersey → Every provider in Hackensack →
Other internal medicine physician records in New Jersey
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- 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 Jonathan B. Shammash, MD's NPI number?
Jonathan B. Shammash, MD's National Provider Identifier (NPI) is 1518055896, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan B. Shammash, MD located?
The NPPES record lists a practice address at 385 Prospect Ave Ste 204, Hackensack, NJ, 07601. Phone: (551) 996-9150. Providers update this record themselves, so call before visiting.
How can I verify Jonathan B. Shammash, MD's license?
NPPES lists New Jersey license number 25MA08593400, 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 Jonathan B. Shammash, MD prescribe under Medicare Part D?
In 2024, Jonathan B. Shammash, MD had 2,244 Medicare Part D claims for 281 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jonathan B. Shammash, MD's MIPS final score?
The 2023 MIPS final score is 75.8 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.