Dr. Zachary James Prebay, MD
- Part D claims, 2024
- 336
- Publications
- 3
- Industry payments
- $6,309
- Medical group
- 1
- State license
- 1
- Practice address
- 111 S 11th St, Philadelphia, PA 19107
- Practice phone
- Call (215) 955-7106
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thomas Jefferson University Hospital
Philadelphia, Pennsylvania
Find Dr. Prebay'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. Zachary James Prebay is a urologist in Philadelphia, Pennsylvania
Dr. Prebay practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania.
Dr. Prebay's NPI, 1902431190, was assigned on March 8, 2020. Dr. Prebay holds Pennsylvania license MT222870.
- NPI
- 1902431190NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335548684
- NPI enumeration date
- March 8, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 955-7106
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zachary James Prebay practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania
Dr. Prebay's primary practice is Thomas Jefferson University Hospital, at 111 S 11th St, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-7106.
- Thomas Jefferson University Hospital111 S 11th St, Philadelphia, PA 19107 · Philadelphia CountyPhone(215) 955-7106
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Zachary James Prebay is affiliated with 1 site of care and 1 medical group
Dr. Prebay's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania. The medical group on file is Northwestern Medical Faculty Foundation.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Zachary James Prebay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Prebay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thomas Jefferson University Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary James Prebay is one of 562 urologists in Pennsylvania
Urology is Dr. Prebay's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Prebay is licensed in Pennsylvania.
Specialties and state licenses
- Urology, PennsylvaniaPrimary
Urologists near Dr. Prebay
Counts of urologists 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. Zachary James Prebay wrote 336 Medicare Part D claims in 2024
In 2024, Dr. Prebay wrote 336 Medicare Part D claims for 169 patients. 92% of them were for generic drugs. CMS names the drug for 201 of them, across 6 drugs with 11 or more claims each, at $16,213 in total drug cost. In 2023, CMS named 204 claims across 9 drugs.
Dr. Prebay's Part D claims by kind of drug, 2024
- Generic310 claims92%
- Brand-name and other26 claims8%
Dr. Prebay'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. Prebay's Part D claims, 2024
- Antibiotics31%104 of 336 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: 2042024: 2011%
Drugs named by CMS: 6 in 2024, 9 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
How Dr. Zachary James Prebay takes part in Medicare
Dr. Prebay 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. Zachary James Prebay has 3 publications on record
Dmand AI links 3 papers to Dr. Prebay, published from 2024 to 2025. 2025 was the busiest year, with 2. Dr. Prebay's most frequent co-authors are Paul Hwan Chung, MD and Daniel Patrick Simon, MD.
Dr. Prebay's most frequent co-authors
Recent publications by Dr. Prebay
See who Dr. Prebay researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Prebay works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Zachary James Prebay received $6,309 in industry payments from 2021 to 2025
CMS Open Payments shows 63 general payments to Dr. Prebay from 16 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 53% of the total. Intuitive Surgical, Inc. paid the most, $2,953.
General payments to Dr. Prebay by program year, 2021 to 2025
General payments to Dr. Prebay by kind, 2021 to 2025
- Food and beverage$3,32653%
- Education$2,25036%
- Travel and lodging$73312%
Companies that paid Dr. Prebay the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Zachary James Prebay'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Zachary James Prebay
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. Zachary James Prebay's NPI number?
Dr. Zachary James Prebay's NPI number is 1902431190. It was assigned on March 8, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary James Prebay?
Dr. Zachary James Prebay is a urologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Zachary James Prebay practice?
Dr. Prebay practices at 111 S 11th St, Philadelphia, PA 19107. Dr. Prebay's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania.
What is Dr. Zachary James Prebay's office phone number?
The practice phone on file for Dr. Prebay is (215) 955-7106.
What is Dr. Zachary James Prebay's medical license number?
Dr. Prebay holds Pennsylvania license MT222870.
What medical group is Dr. Zachary James Prebay part of?
Dr. Prebay is linked to Northwestern Medical Faculty Foundation.
Does Dr. Zachary James Prebay accept Medicare?
Yes. CMS lists Dr. Prebay as accepting Medicare assignment.
What drugs does Dr. Zachary James Prebay prescribe most?
In 2024 Medicare Part D data, Dr. Prebay's most prescribed drugs by claims were Tamsulosin HCl, Amoxicillin-Clavulanate Potass and Finasteride.
Has Dr. Zachary James Prebay received payments from drug or device companies?
CMS Open Payments shows $6,309 in general payments to Dr. Prebay from 16 companies from 2021 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Zachary James Prebay been practicing?
Dr. Prebay's NPI was assigned in 2020.
Does Dr. Zachary James Prebay do research?
Dmand AI links 3 publications to Dr. Prebay, published from 2024 to 2025.
Who does Dr. Zachary James Prebay publish with?
Dr. Prebay's most frequent co-authors are Paul Hwan Chung, MD (2 shared papers) and Daniel Patrick Simon, MD (1 shared paper).
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