Zachary Grossbaum

  • Englewood, NJ
  • Emergency medicine physician
NPI1629631585PAC ID5092040824
Medicare services, 2024
838
Medicare patients, 2024
784
Part D claims, 2024
252
MIPS score, 2024
81
Hospital affiliations
1
Practice address
350 Engle St, Englewood, NJ 07631
Practice phone
Call (201) 894-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Englewood Hospital

Hospital · Englewood, New Jersey

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Zachary Grossbaum is an emergency medicine physician in Englewood, New Jersey

Zachary Grossbaum practices at Englewood Hospital in Englewood, New Jersey, part of RWJBarnabas Health.

Zachary Grossbaum's NPI, 1629631585, was assigned on April 17, 2019. Zachary Grossbaum graduated from Albert Einstein College of Medicine of Yeshiva University in 2019. Zachary Grossbaum holds New Jersey license 25MA11350400.

NPI and contact details
Medicare PAC ID
5092040824
NPI enumeration date
April 17, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(201) 894-3000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Zachary Grossbaum practices at Englewood Hospital in Englewood, New Jersey

Zachary Grossbaum's primary practice is Englewood Hospital, at 350 Engle St, Englewood, NJ 07631 in Bergen County. The practice phone is (201) 894-3000.

  • Englewood Hospital
    350 Engle St, Englewood, NJ 07631 · Bergen CountyPhone(201) 894-3000

Source: Dmand AI Affiliation Data

Zachary Grossbaum is affiliated with 1 site of care and 1 medical group

Zachary Grossbaum's primary practice is Englewood Hospital in Englewood, New Jersey, part of RWJBarnabas Health. The medical group on file is Emergency Physicians of Englewood PC.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Zachary Grossbaum's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Zachary Grossbaum practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Englewood HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Zachary Grossbaum is one of 1,548 emergency medicine physicians in New Jersey

Emergency medicine is Zachary Grossbaum's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Zachary Grossbaum is licensed in New Jersey.

Specialties and state licenses

  • Emergency medicine, New JerseyPrimaryLicense 25MA11350400 · taxonomy 207P00000X

Emergency medicine physicians near Zachary Grossbaum

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Zachary Grossbaum billed Medicare for 838 services in 2024

CMS data shows 838 Medicare services from Zachary Grossbaum across 4 procedure codes in 2024, for 784 Medicare patients. Medicare paid $109,870 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024838
Medicare patients784
Paid by Medicare$109,870
Procedure codes4

Zachary Grossbaum's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7322024: 83814%

Zachary Grossbaum compared with the New Jersey median for emergency medicine physicians, 2024

  • Zachary Grossbaum
  • New Jersey median
Medicare services
838vs 3262.6 times
Medicare patients
784vs 3212.4 times
Part D claims
132vs 472.8 times

Medians across 1,494 emergency medicine physicians in New Jersey with Dmand AI profiles that report each measure.

Zachary Grossbaum's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Zachary Grossbaum

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Zachary Grossbaum treated 784 Medicare patients in 2024, average age 79

CMS counts 784 Medicare patients who saw Zachary Grossbaum in 2024. The largest group is 85 and over, with 270 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.03, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Zachary Grossbaum's median patient age at 69, with 57% women.

Medicare patients, 2024784
Average age79
Average risk score2.03
Also on Medicaid20%

Zachary Grossbaum's Medicare patients by age, 2024

Zachary Grossbaum's Medicare patients by sex, 2024

  • Women44857%
  • Men33643%

Chronic conditions among Zachary Grossbaum's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Diabetes45%
  5. Ischemic heart disease45%
  6. Mood disorders39%
  7. Anxiety35%
  8. Heart failure34%

Share of Medicare patients with each condition. A patient can have several.

Zachary Grossbaum's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Zachary Grossbaum wrote 252 Medicare Part D claims in 2024

In 2024, Zachary Grossbaum wrote 252 Medicare Part D claims for 176 patients. 93% of them were for generic drugs. CMS names the drug for 132 of them, across 6 drugs with 11 or more claims each, at $1,169 in total drug cost. In 2023, CMS named 106 claims across 5 drugs.

Part D claims, 2024252
Drugs named by CMS6
Total drug cost$1,169
Part D patients176

Zachary Grossbaum's Part D claims by kind of drug, 2024

  • Generic234 claims93%
  • Brand-name18 claims7%

Zachary Grossbaum's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Zachary Grossbaum's Part D claims, 2024

  • Opioids10%24 of 252 claims
  • Antibiotics34%85 of 252 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1062024: 13225%

Drugs named by CMS: 6 in 2024, 5 in 2023.

See all prescribing by Zachary Grossbaum

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Zachary Grossbaum scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Zachary Grossbaum for performance year 2024, reported as part of a group. Zachary Grossbaum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Zachary Grossbaum's MIPS scores, performance year 2024

  • 81of 100Final score
  • 70.8of 100Quality
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Zachary Grossbaum received $42 in industry payments in 2022

CMS Open Payments shows 2 general payments to Zachary Grossbaum from 2 drug and device companies in 2022. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $27.

Companies that paid Zachary Grossbaum the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Zachary Grossbaum

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Zachary Grossbaum graduated from Albert Einstein College of Medicine of Yeshiva University

Zachary Grossbaum graduated from Albert Einstein College of Medicine of Yeshiva University in 2019.

  1. Medical schoolAlbert Einstein College of Medicine of Yeshiva University

Source: Dmand AI Professional Profile Data

Sources for Zachary Grossbaum's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Zachary Grossbaum

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Zachary Grossbaum's NPI number?

Zachary Grossbaum's NPI number is 1629631585. It was assigned on April 17, 2019, and it is active in the NPI Registry.

What does Zachary Grossbaum specialize in?

Zachary Grossbaum is an emergency medicine physician in Englewood, New Jersey. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Zachary Grossbaum practice?

Zachary Grossbaum practices at 350 Engle St, Englewood, NJ 07631. Zachary Grossbaum's primary practice is Englewood Hospital in Englewood, New Jersey, part of RWJBarnabas Health.

What is Zachary Grossbaum's office phone number?

The practice phone on file for Zachary Grossbaum is (201) 894-3000.

What is Zachary Grossbaum's medical license number?

Zachary Grossbaum holds New Jersey license 25MA11350400.

Which hospitals is Zachary Grossbaum affiliated with?

Zachary Grossbaum practices at Englewood Hospital in Englewood, New Jersey.

What medical group is Zachary Grossbaum part of?

Zachary Grossbaum is linked to Emergency Physicians of Englewood PC.

Does Zachary Grossbaum accept Medicare?

Yes. CMS data shows Zachary Grossbaum billed Medicare for 838 services in 2024, and Zachary Grossbaum accepts Medicare assignment.

What is Zachary Grossbaum's MIPS score?

Zachary Grossbaum's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

How many Medicare patients does Zachary Grossbaum see?

CMS counts 784 Medicare patients who saw Zachary Grossbaum in 2024, with an average age of 79.

Show 5 more questionsShow fewer questions

What services does Zachary Grossbaum bill to Medicare?

In 2024, Zachary Grossbaum's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Zachary Grossbaum go to medical school?

Zachary Grossbaum graduated from Albert Einstein College of Medicine of Yeshiva University in 2019.

What drugs does Zachary Grossbaum prescribe most?

In 2024 Medicare Part D data, Zachary Grossbaum's most prescribed drugs by claims were Ondansetron ODT, Cefuroxime and Oxycodone HCl.

Has Zachary Grossbaum received payments from drug or device companies?

CMS Open Payments shows $42 in general payments to Zachary Grossbaum from 2 companies from 2022 to 2022. The largest total came from Inari Medical, Inc.

How long has Zachary Grossbaum been practicing?

Zachary Grossbaum graduated from medical school in 2019, 7 years ago.

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