Dr. Jonathan Zachary Potack, MD
- Medicare services, 2020
- 227
- Part D claims, 2020
- 372
- Hospital affiliations
- 1
- Industry payments
- $1,281
- Medical groups
- 2
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Jonathan Zachary Potack is a gastroenterologist in Valhalla, New York
Dr. Potack practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Potack's NPI, 1518004993, was assigned on February 1, 2007. Dr. Potack graduated from Icahn School of Medicine at Mount Sinai in 2002. Dr. Potack holds New York license 228954.
- NPI
- 1518004993NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446329684
- NPI enumeration date
- February 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Zachary Potack practices at Westchester Medical Center in Valhalla, New York
Dr. Potack's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Jonathan Zachary Potack is affiliated with 2 sites of care and 2 medical groups
Dr. Potack's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. The medical group on file is Westchester Medical Center Advanced Physician Services. Dmand AI also links Dr. Potack to 1 more group practice or clinic and 1 medical group, 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. Jonathan Zachary Potack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Potack practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Westchester Medical Center Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jonathan Zachary Potack is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Potack's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Potack is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Potack
Counts of gastroenterologists 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. Jonathan Zachary Potack billed Medicare for 227 services in 2020
CMS data shows 227 Medicare services from Dr. Potack across 9 procedure codes in 2020. Medicare paid $24,274 for them.
Dr. Potack's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 3972020: 14563%
- Surgery
- 2019: 2682020: 8269%
- Lab and pathology
- 2019: 1882020: 0100%
Where Dr. Potack's Medicare services took place, 2020
- In an office21293%
- In a facility157%
Dr. Potack compared with the New York median for gastroenterologists, 2020
- Dr. Potack
- New York median
- Medicare services
- 227vs 42146% below
- Part D claims
- 372vs 382Close to median
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Potack's most billed Medicare procedure codes, 2020
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Potack and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Zachary Potack's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Potack's median patient age at 52, with 44% women.
Dr. Potack's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women44%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Jonathan Zachary Potack wrote 372 Medicare Part D claims in 2020
In 2020, Dr. Potack wrote 372 Medicare Part D claims. They cover 14 drugs, with $270,861 in total drug cost. In 2019, CMS named 629 claims across 18 drugs.
Dr. Potack's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 6292020: 37241%
Drugs named by CMS: 14 in 2020, 18 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Jonathan Zachary Potack takes part in Medicare
Dr. Potack accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jonathan Zachary Potack received $1,281 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Potack from 5 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 55% of the total. Genentech, Inc. paid the most, $993.
General payments to Dr. Potack by program year, 2016 to 2025
General payments to Dr. Potack by kind, 2016 to 2025
- Travel and lodging$70155%
- Food and beverage$56344%
- Education$171%
Companies that paid Dr. Potack the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan Zachary Potack graduated from Icahn School of Medicine at Mount Sinai
Dr. Potack graduated from Icahn School of Medicine at Mount Sinai in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan Zachary Potack'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Jonathan Zachary Potack
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. Jonathan Zachary Potack's NPI number?
Dr. Jonathan Zachary Potack's NPI number is 1518004993. It was assigned on February 1, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Zachary Potack?
Dr. Jonathan Zachary Potack is a gastroenterologist in Valhalla, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Jonathan Zachary Potack practice?
Dr. Potack practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Potack's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Potack to 1 group practice or clinic and 1 medical group.
What is Dr. Jonathan Zachary Potack's office phone number?
The practice phone on file for Dr. Potack is (914) 493-7000.
What is Dr. Jonathan Zachary Potack's medical license number?
Dr. Potack holds New York license 228954.
Which hospitals is Dr. Jonathan Zachary Potack affiliated with?
Dr. Potack practices at Westchester Medical Center in Valhalla, New York.
What medical group is Dr. Jonathan Zachary Potack part of?
Dr. Potack is linked to Westchester Medical Center Advanced Physician Services. Dmand AI links Dr. Potack to 1 more medical group.
Does Dr. Jonathan Zachary Potack accept Medicare?
Yes. CMS data shows Dr. Potack billed Medicare for 227 services in 2020, and Dr. Potack accepts Medicare assignment.
What services does Dr. Jonathan Zachary Potack bill to Medicare?
In 2020, Dr. Potack's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: heart and blood vessels (36415).
Where did Dr. Jonathan Zachary Potack go to medical school?
Dr. Potack graduated from Icahn School of Medicine at Mount Sinai in 2002.
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What drugs does Dr. Jonathan Zachary Potack prescribe most?
In 2020 Medicare Part D data, Dr. Potack's most prescribed drugs by claims were Pantoprazole Sodium, Suprep and Omeprazole.
Has Dr. Jonathan Zachary Potack received payments from drug or device companies?
CMS Open Payments shows $1,281 in general payments to Dr. Potack from 5 companies from 2016 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Jonathan Zachary Potack been practicing?
Dr. Potack graduated from medical school in 2002, 24 years ago.
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