Dr. Irwin Howard Berkowitz, MD
- Part D claims, 2024
- 11
- Industry payments
- $412
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 595 Chestnut Ridge Rd Suite 4 Suite 4, Woodcliff Lake, NJ 07677
- Practice phone
- Call (201) 391-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chestnut Ridge Pediatrics
Physician office · Woodcliff Lake, New Jersey
Find Dr. Berkowitz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Irwin Howard Berkowitz is a pediatrician in Woodcliff Lake, New Jersey
Dr. Berkowitz practices at Chestnut Ridge Pediatrics in Woodcliff Lake, New Jersey.
Dr. Berkowitz's NPI, 1538106158, was assigned on June 1, 2006. Dr. Berkowitz graduated from State University of New York Downstate Medical Center College of Medicine in 1972. Dr. Berkowitz holds New Jersey license 25MA03143400.
- NPI
- 1538106158NPI Registry (opens in a new tab)
- NPI enumeration date
- June 1, 2006
- NPI status
- Active
- Practice phone
- (201) 391-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Irwin Howard Berkowitz practices at Chestnut Ridge Pediatrics in Woodcliff Lake, New Jersey
Dr. Berkowitz's primary practice is Chestnut Ridge Pediatrics, at 595 Chestnut Ridge Rd Suite 4 Suite 4, Woodcliff Lake, NJ 07677. The practice phone is (201) 391-2020.
- Chestnut Ridge Pediatrics595 Chestnut Ridge Rd Suite 4 Suite 4, Woodcliff Lake, NJ 07677Phone(201) 391-2020
Source: Dmand AI Affiliation Data
Dr. Irwin Howard Berkowitz is affiliated with 1 site of care
Dr. Berkowitz's primary practice is Chestnut Ridge Pediatrics in Woodcliff Lake, New Jersey.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Irwin Howard Berkowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Berkowitz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chestnut Ridge Pediatrics | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Irwin Howard Berkowitz is one of 1,923 pediatricians in New Jersey
Pediatrics is Dr. Berkowitz's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Berkowitz is licensed in New Jersey.
Specialties and state licenses
- Pediatrics, New JerseyPrimary
Pediatricians near Dr. Berkowitz
Counts of pediatricians 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. Irwin Howard Berkowitz's patients have a median age of 20
Across all payers, Dmand AI patient panel data puts Dr. Berkowitz's median patient age at 20, with 60% women.
Dr. Berkowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 20
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Irwin Howard Berkowitz wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Berkowitz wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $173 in total drug cost.
Dr. Berkowitz's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Dr. Irwin Howard Berkowitz received $412 in industry payments from 2016 to 2017
CMS Open Payments shows 7 general payments to Dr. Berkowitz from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 94% of the total. AstraZeneca Pharmaceuticals LP paid the most, $387.
General payments to Dr. Berkowitz by program year, 2016 to 2017
General payments to Dr. Berkowitz by kind, 2016 to 2017
- Food and beverage$38794%
- Education$256%
Companies that paid Dr. Berkowitz the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Irwin Howard Berkowitz graduated from State University of New York Downstate Medical Center College of Medicine
Dr. Berkowitz graduated from State University of New York Downstate Medical Center College of Medicine in 1972.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Irwin Howard Berkowitz'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Irwin Howard Berkowitz
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. Irwin Howard Berkowitz's NPI number?
Dr. Irwin Howard Berkowitz's NPI number is 1538106158. It was assigned on June 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Irwin Howard Berkowitz?
Dr. Irwin Howard Berkowitz is a pediatrician in Woodcliff Lake, New Jersey. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Irwin Howard Berkowitz practice?
Dr. Berkowitz practices at 595 Chestnut Ridge Rd Suite 4 Suite 4, Woodcliff Lake, NJ 07677. Dr. Berkowitz's primary practice is Chestnut Ridge Pediatrics in Woodcliff Lake, New Jersey.
What is Dr. Irwin Howard Berkowitz's office phone number?
The practice phone on file for Dr. Berkowitz is (201) 391-2020.
What is Dr. Irwin Howard Berkowitz's medical license number?
Dr. Berkowitz holds New Jersey license 25MA03143400.
Where did Dr. Irwin Howard Berkowitz go to medical school?
Dr. Berkowitz graduated from State University of New York Downstate Medical Center College of Medicine in 1972.
What drugs does Dr. Irwin Howard Berkowitz prescribe most?
In 2016 Medicare Part D data, Dr. Berkowitz's most prescribed drugs by claims were Tamsulosin HCl.
Has Dr. Irwin Howard Berkowitz received payments from drug or device companies?
CMS Open Payments shows $412 in general payments to Dr. Berkowitz from 2 companies from 2016 to 2017. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Irwin Howard Berkowitz been practicing?
Dr. Berkowitz graduated from medical school in 1972, 54 years ago.
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