Zachary Grossbaum
Emergency Medicine Physician · Englewood, NJ
Zachary Grossbaum is an emergency medicine physician with a practice address in Englewood, New Jersey, and NPI 1629631585, issued on Apr 17, 2019. Check the license (New Jersey 25MA11350400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Zachary Grossbaum
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MA11350400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 350 Engle St, Englewood, NJ 07631
- Phone
- (201) 894-3450
- Enumerated
- Apr 17, 2019
- Record last updated
- Dec 1, 2025
- Medicaid ID
- 0843644 NJ
- Medicare enrollment
- Enrolled (PECOS I20220808001024); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 350 Engle St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elmuiz Abdelrahman, MBBSStudent in an Organized Health Care Education/Training Program1215865266
- Osman Abdelsadig, MDStudent in an Organized Health Care Education/Training Program1346970522
- Edward Acquah, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1356031751
- Luthien AguasGerontology Nurse Practitioner1598582967
- Abdullah Ahmad, MDCardiovascular Disease Physician1760007652
- Alexa Aitkens, CRNACertified Registered Nurse Anesthetist1699348615
Verify Zachary Grossbaum 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 25MA11350400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average emergency medicine physician in 2024
252 Medicare Part D claims for 176 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 24 claims were for opioids.
Most prescribed
- Ondansetron Odt31 claims
- Cefuroxime29 claims
- Oxycodone Hcl23 claims
- Prednisone20 claims
- Albuterol Sulfate Hfa17 claims
- Ciprofloxacin Hcl12 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): 82 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).
Bills Medicare through one group practice
- Emergency Physicians OF Englewood, PCEnglewood, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary Grossbaum among 1,754 emergency medicine physician records in New Jersey
Zachary Grossbaum is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2019 · median 2011 among the 1,167 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 emergency medicine physician records list a practice address in Englewood
They are 18 of the 1,428 NPPES records with a practice address in Englewood, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Englewood → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Stuart Caplen, MDEnglewood, NJ 076311871529776
- Erik Chu, MDEnglewood, NJ 076311568407559
- Martinez Clement, MDEnglewood, NJ 076311841235777
- James Cohen, MDEnglewood, NJ 076311598926180
- Chana Gable-Selmon, MDEnglewood, NJ 076311447294368
- David Istvan, MDEnglewood, NJ 076311467473892
- Elizabeth Kay, D.O.Englewood, NJ 076311942434139
- Farhan Khan, MDEnglewood, NJ 076311518903640
Common questions
What is Zachary Grossbaum's NPI number?
Zachary Grossbaum's National Provider Identifier (NPI) is 1629631585, issued on Apr 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Grossbaum located?
The NPPES record lists a practice address at 350 Engle St, Englewood, NJ, 07631. Phone: (201) 894-3450. Providers update this record themselves, so call before visiting.
How can I verify Zachary Grossbaum's license?
NPPES lists New Jersey license number 25MA11350400, 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 Zachary Grossbaum prescribe under Medicare Part D?
In 2024, Zachary Grossbaum had 252 Medicare Part D claims for 176 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Zachary Grossbaum's MIPS final score?
The 2023 MIPS final score is 82 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.