Harrison Z. Marx
- Medicare services, 2024
- 367
- Medicare patients, 2024
- 356
- Part D claims, 2024
- 164
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 900 Franklin Ave, Valleystream, NY 11580
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Long Island Jewish Valley Stream / Ekg/Echo - Electrocardiology - HOPD
Acute Care Hospital outpatient department · Valleystream, New York
Find Harrison Marx's professional email, personal email and mobile number
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Harrison Z. Marx is an emergency medicine physician in Valleystream, New York
Harrison Marx practices at Long Island Jewish Valley Stream / Ekg/Echo - Electrocardiology - HOPD in Valleystream, New York.
Harrison Marx's NPI, 1902367501, was assigned on March 27, 2019. Harrison Marx graduated from NYIT College Of Osteopathic Medicine in 2019. Harrison Marx holds New York license 316552.
- NPI
- 1902367501NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810224268
- NPI enumeration date
- March 27, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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)
Harrison Z. Marx practices at Long Island Jewish Valley Stream / Ekg/Echo - Electrocardiology - HOPD in Valleystream, New York
Harrison Marx's primary practice is Long Island Jewish Valley Stream / Ekg/Echo - Electrocardiology - HOPD, at 900 Franklin Ave, Valleystream, NY 11580.
- Long Island Jewish Valley Stream / Ekg/Echo - Electrocardiology - HOPD900 Franklin Ave, Valleystream, NY 11580
Source: Dmand AI Affiliation Data
Harrison Z. Marx is affiliated with 2 sites of care and 1 medical group
Harrison Marx's primary practice is Long Island Jewish Valley Stream / Ekg/Echo - Electrocardiology - HOPD in Valleystream, New York. Harrison Marx is also affiliated with Long Island Jewish Medical Center. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Harrison Z. Marx's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Harrison Marx practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Long Island Jewish Valley Stream / Ekg/Echo - Electrocardiology - HOPD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Harrison Z. Marx is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Harrison Marx's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Harrison Marx is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Harrison Marx
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
Harrison Z. Marx billed Medicare for 367 services in 2024
CMS data shows 367 Medicare services from Harrison Marx across 3 procedure codes in 2024, for 356 Medicare patients. Medicare paid $52,839 for them. Every service was in a facility, such as a hospital, rather than an office.
Harrison Marx's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3002024: 36722%
Harrison Marx compared with the New York median for emergency medicine physicians, 2024
- Harrison Marx
- New York median
- Medicare services
- 367vs 21968% above
- Medicare patients
- 356vs 21665% above
- Part D claims
- 47vs 2962% above
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Harrison Marx'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Harrison Z. Marx treated 356 Medicare patients in 2024, average age 75
CMS counts 356 Medicare patients who saw Harrison Marx in 2024. The largest group is 75 to 84, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 2.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Harrison Marx's median patient age at 68, with 58% women.
Harrison Marx's Medicare patients by age, 2024
Harrison Marx's Medicare patients by sex, 2024
- Women20257%
- Men15443%
Chronic conditions among Harrison Marx's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes55%
- Ischemic heart disease47%
- Chronic kidney disease38%
- Heart failure35%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
Harrison Marx's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women58%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Harrison Z. Marx wrote 164 Medicare Part D claims in 2024
In 2024, Harrison Marx wrote 164 Medicare Part D claims for 121 patients. 95% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $320 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Harrison Marx's Part D claims by kind of drug, 2024
- Generic156 claims95%
- Brand-name and other8 claims5%
Harrison Marx'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 Harrison Marx's Part D claims, 2024
- Antibiotics46%76 of 164 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: 132024: 47262%
Drugs named by CMS: 3 in 2024, 1 in 2023.
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
Harrison Z. Marx scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Harrison Marx for performance year 2024, reported through an alternative payment model (APM). Harrison Marx accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Harrison Marx's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Harrison Z. Marx graduated from NYIT College Of Osteopathic Medicine
Harrison Marx graduated from NYIT College Of Osteopathic Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Harrison Z. Marx's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Harrison Z. Marx
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Harrison Z. Marx's NPI number?
Harrison Z. Marx's NPI number is 1902367501. It was assigned on March 27, 2019, and it is active in the NPI Registry.
What does Harrison Z. Marx specialize in?
Harrison Z. Marx is an emergency medicine physician in Valleystream, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Harrison Z. Marx practice?
Harrison Marx practices at 900 Franklin Ave, Valleystream, NY 11580. Harrison Marx's primary practice is Long Island Jewish Valley Stream / Ekg/Echo - Electrocardiology - HOPD in Valleystream, New York.
What is Harrison Z. Marx's medical license number?
Harrison Marx holds New York license 316552.
Which hospitals is Harrison Z. Marx affiliated with?
Harrison Marx is affiliated with Long Island Jewish Medical Center.
What medical group is Harrison Z. Marx part of?
Harrison Marx is linked to Northwell Health Physician Partners Cardiology at Great Neck.
Does Harrison Z. Marx accept Medicare?
Yes. CMS data shows Harrison Marx billed Medicare for 367 services in 2024, and Harrison Marx accepts Medicare assignment.
What is Harrison Z. Marx's MIPS score?
Harrison Marx's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Harrison Z. Marx see?
CMS counts 356 Medicare patients who saw Harrison Marx in 2024, with an average age of 75.
What services does Harrison Z. Marx bill to Medicare?
In 2024, Harrison Marx's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Show 3 more questionsShow fewer questions
Where did Harrison Z. Marx go to medical school?
Harrison Marx graduated from NYIT College Of Osteopathic Medicine in 2019.
What drugs does Harrison Z. Marx prescribe most?
In 2024 Medicare Part D data, Harrison Marx's most prescribed drugs by claims were Cefdinir, Ibuprofen and Ondansetron ODT.
How long has Harrison Z. Marx been practicing?
Harrison Marx graduated from medical school in 2019, 7 years ago.
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