Dr. Ilya Parizh, DO
- Medicare services, 2024
- 531
- Medicare patients, 2024
- 512
- Part D claims, 2024
- 248
- MIPS score, 2024
- 66
- Hospital affiliations
- 1
- Practice address
- 1 Bay Avenue, Montclair, NJ 07042
- Practice phone
- Call (973) 429-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Parizh's professional email, personal email and mobile number
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Dr. Ilya Parizh is an emergency medicine physician in Montclair, New Jersey
Dr. Parizh practices at Hackensack Meridian Mountainside Medical Center in Montclair, New Jersey, part of Ardent Health.
Dr. Parizh's NPI, 1619361995, was assigned on March 24, 2015. Dr. Parizh graduated from New York College of Osteo Medicine of New York Institute of Technology in 2015. Dr. Parizh holds New Jersey license 25MB10504300.
- NPI
- 1619361995NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123353992
- NPI enumeration date
- March 24, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (973) 429-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ilya Parizh practices at Hackensack Meridian Mountainside Medical Center in Montclair, New Jersey
Dr. Parizh's primary practice is Hackensack Meridian Mountainside Medical Center, at 1 Bay Avenue, Montclair, NJ 07042 in Essex County. The practice phone is (973) 429-6000.
- Hackensack Meridian Mountainside Medical Center1 Bay Avenue, Montclair, NJ 07042 · Essex CountyPhone(973) 429-6000
Source: Dmand AI Affiliation Data
Dr. Ilya Parizh is affiliated with 4 sites of care and 13 medical groups
Dr. Parizh's primary practice is Hackensack Meridian Mountainside Medical Center in Montclair, New Jersey, part of Ardent Health. The medical group on file is RWJBarnabas Health Medical Group. Dmand AI also links Dr. Parizh to 12 more medical groups, 2 group practices and clinics and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ilya Parizh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parizh practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hackensack Meridian Mountainside Medical Center | Available with a free account |
| +3 more sites and 12 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ilya Parizh is one of 1,548 emergency medicine physicians in New Jersey
Emergency medicine is Dr. Parizh's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Parizh's licenses on file in 2 states: New Jersey and New York.
Specialties and state licenses
- Emergency medicine, New JerseyPrimary
- General practice, New York
Emergency medicine physicians near Dr. Parizh
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
Dr. Ilya Parizh billed Medicare for 531 services in 2024
CMS data shows 531 Medicare services from Dr. Parizh across 4 procedure codes in 2024, for 512 Medicare patients. Medicare paid $73,125 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Parizh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5942024: 53111%
Dr. Parizh compared with the New Jersey median for emergency medicine physicians, 2024
- Dr. Parizh
- New Jersey median
- Medicare services
- 531vs 32663% above
- Medicare patients
- 512vs 32160% above
- Part D claims
- 108vs 472.3 times
Medians across 1,494 emergency medicine physicians in New Jersey with Dmand AI profiles that report each measure.
Dr. Parizh'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
Dr. Ilya Parizh treated 512 Medicare patients in 2024, average age 77
CMS counts 512 Medicare patients who saw Dr. Parizh in 2024. The largest group is 75 to 84, with 186 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.21, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Parizh's median patient age at 57, with 55% women.
Dr. Parizh's Medicare patients by age, 2024
Dr. Parizh's Medicare patients by sex, 2024
- Women28355%
- Men22945%
Chronic conditions among Dr. Parizh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease59%
- Diabetes58%
- Arthritis54%
- Chronic kidney disease38%
- Heart failure38%
- Mood disorders37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parizh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women55%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ilya Parizh wrote 248 Medicare Part D claims in 2024
In 2024, Dr. Parizh wrote 248 Medicare Part D claims for 184 patients. 96% of them were for generic drugs. CMS names the drug for 108 of them, across 6 drugs with 11 or more claims each, at $435 in total drug cost. In 2023, CMS named 123 claims across 7 drugs.
Dr. Parizh's Part D claims by kind of drug, 2024
- Generic237 claims96%
- Brand-name11 claims4%
Dr. Parizh'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 Dr. Parizh's Part D claims, 2024
- Opioids17%41 of 248 claims
- Antibiotics25%61 of 248 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: 1232024: 10812%
Drugs named by CMS: 6 in 2024, 7 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
Dr. Ilya Parizh scored 66 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 66 out of 100 for Dr. Parizh for performance year 2024, reported individually. Dr. Parizh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Parizh's MIPS scores, performance year 2024
- 66of 100Final score
- 36.3of 100Quality
- 40of 100Improvement Activities
- 74of 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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Dr. Ilya Parizh received $267 in industry payments from 2017 to 2025
CMS Open Payments shows 3 general payments to Dr. Parizh from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $125.
General payments to Dr. Parizh by program year, 2017 to 2025
Companies that paid Dr. Parizh the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ilya Parizh graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Parizh graduated from New York College of Osteo Medicine of New York Institute of Technology in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ilya Parizh'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 DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (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 Dr. Ilya Parizh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ilya Parizh's NPI number?
Dr. Ilya Parizh's NPI number is 1619361995. It was assigned on March 24, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Ilya Parizh?
Dr. Ilya Parizh is an emergency medicine physician in Montclair, New Jersey. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Ilya Parizh practice?
Dr. Parizh practices at 1 Bay Avenue, Montclair, NJ 07042. Dr. Parizh's primary practice is Hackensack Meridian Mountainside Medical Center in Montclair, New Jersey, part of Ardent Health. Dmand AI also links Dr. Parizh to 12 medical groups, 2 group practices and clinics and 1 physician office.
What is Dr. Ilya Parizh's office phone number?
The practice phone on file for Dr. Parizh is (973) 429-6000.
What is Dr. Ilya Parizh's medical license number?
Dr. Parizh holds New Jersey license 25MB10504300, one of the licenses on file in 2 states.
Which states has Dr. Ilya Parizh been licensed in?
Dmand AI has state licenses on file for Dr. Parizh in New Jersey and New York.
Which hospitals is Dr. Ilya Parizh affiliated with?
Dr. Parizh practices at Hackensack Meridian Mountainside Medical Center in Montclair, New Jersey.
What medical group is Dr. Ilya Parizh part of?
Dr. Parizh is linked to RWJBarnabas Health Medical Group. Dmand AI links Dr. Parizh to 12 more medical groups.
Does Dr. Ilya Parizh accept Medicare?
Yes. CMS data shows Dr. Parizh billed Medicare for 531 services in 2024, and Dr. Parizh accepts Medicare assignment.
What is Dr. Ilya Parizh's MIPS score?
Dr. Parizh's MIPS final score for performance year 2024 is 66 out of 100, reported individually.
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How many Medicare patients does Dr. Ilya Parizh see?
CMS counts 512 Medicare patients who saw Dr. Parizh in 2024, with an average age of 77.
What services does Dr. Ilya Parizh bill to Medicare?
In 2024, Dr. Parizh's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Ilya Parizh go to medical school?
Dr. Parizh graduated from New York College of Osteo Medicine of New York Institute of Technology in 2015.
What drugs does Dr. Ilya Parizh prescribe most?
In 2024 Medicare Part D data, Dr. Parizh's most prescribed drugs by claims were Tramadol HCl, Naproxen and Cephalexin.
Has Dr. Ilya Parizh received payments from drug or device companies?
CMS Open Payments shows $267 in general payments to Dr. Parizh from 3 companies from 2017 to 2025. The largest total came from Amgen Inc.
How long has Dr. Ilya Parizh been practicing?
Dr. Parizh graduated from medical school in 2015, 11 years ago.
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