Dr. Ziad Hadaya, MD
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 146
- Industry payments
- $167
- Affiliated sites
- 2
- Practice address
- 994 White Horse Ave, Trenton, NJ 08610
- Practice phone
- Call (609) 585-3073
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hamilton Surgical Services,P.A
Trenton, New Jersey
Find Dr. Hadaya's professional email, personal email and mobile number
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Dr. Ziad Hadaya is an internist in Trenton, New Jersey
Dr. Hadaya practices at Hamilton Surgical Services,P.A in Trenton, New Jersey.
Dr. Hadaya's NPI, 1841312055, was assigned on April 6, 2007. Dr. Hadaya holds New Jersey license MA41052.
- NPI
- 1841312055NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951439736
- NPI enumeration date
- April 6, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (609) 585-3073
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ziad Hadaya practices at Hamilton Surgical Services,P.A in Trenton, New Jersey
Dr. Hadaya's primary practice is Hamilton Surgical Services,P.A, at 994 White Horse Ave, Trenton, NJ 08610 in Mercer County. The practice phone is (609) 585-3073.
- Hamilton Surgical Services,P.A994 White Horse Ave, Trenton, NJ 08610 · Mercer CountyPhone(609) 585-3073
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ziad Hadaya is affiliated with 3 sites of care and 1 medical group
Dr. Hadaya's primary practice is Hamilton Surgical Services,P.A in Trenton, New Jersey. Dmand AI also links Dr. Hadaya to 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ziad Hadaya's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hadaya practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hamilton Surgical Services,P.A | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ziad Hadaya is one of 4,226 internists in New Jersey
Internal medicine is Dr. Hadaya's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hadaya is licensed in New Jersey.
Specialties and state licenses
- Internal medicine, New JerseyPrimary
Internists near Dr. Hadaya
Counts of internists 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. Ziad Hadaya billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Hadaya across 1 procedure code in 2024, for 28 Medicare patients. Medicare paid $2,502 for them. Every service was in an office.
Dr. Hadaya's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 572024: 1672%
- Office and hospital visits
- 2023: 402024: 0100%
Dr. Hadaya compared with the New Jersey median for internists, 2024
- Dr. Hadaya
- New Jersey median
- Medicare services
- 16vs 72398% below
- Medicare patients
- 28vs 23188% below
- Part D claims
- 49vs 83094% below
Medians across 4,086 internists in New Jersey with Dmand AI profiles that report each measure.
Dr. Hadaya'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. Ziad Hadaya treated 28 Medicare patients in 2024, average age 72
CMS counts 28 Medicare patients who saw Dr. Hadaya in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 71% have high cholesterol. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hadaya's median patient age at 59, with 66% women.
Dr. Hadaya's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hadaya's Medicare patients by sex, 2024
- Women1657%
- Men1243%
Chronic conditions among Dr. Hadaya's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hadaya's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women66%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ziad Hadaya wrote 146 Medicare Part D claims in 2024
In 2024, Dr. Hadaya wrote 146 Medicare Part D claims for 32 patients. 88% of them were for generic drugs. CMS names the drug for 49 of them, across 3 drugs with 11 or more claims each, at $326 in total drug cost. In 2023, CMS named 55 claims across 4 drugs.
Dr. Hadaya's Part D claims by kind of drug, 2024
- Generic129 claims88%
- Brand-name17 claims12%
Dr. Hadaya'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. Hadaya's Part D claims, 2024
- Antibiotics13%19 of 146 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: 552024: 4911%
Drugs named by CMS: 3 in 2024, 4 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. Ziad Hadaya ranks in the 63rd percentile for varicose vein removal in Medicare
Dr. Hadaya accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of varicose vein removal by Dr. Hadaya, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Hadaya ranks in Medicare procedure volume
- Varicose vein removal
- 63rd percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ziad Hadaya received $167 in industry payments from 2018 to 2019
CMS Open Payments shows 3 general payments to Dr. Hadaya from 2 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $95.
General payments to Dr. Hadaya by program year, 2018 to 2019
Companies that paid Dr. Hadaya the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ziad Hadaya'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 |
| 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. Ziad Hadaya
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. Ziad Hadaya's NPI number?
Dr. Ziad Hadaya's NPI number is 1841312055. It was assigned on April 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ziad Hadaya?
Dr. Ziad Hadaya is an internist in Trenton, New Jersey. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ziad Hadaya practice?
Dr. Hadaya practices at 994 White Horse Ave, Trenton, NJ 08610. Dr. Hadaya's primary practice is Hamilton Surgical Services,P.A in Trenton, New Jersey. Dmand AI also links Dr. Hadaya to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Ziad Hadaya's office phone number?
The practice phone on file for Dr. Hadaya is (609) 585-3073.
What is Dr. Ziad Hadaya's medical license number?
Dr. Hadaya holds New Jersey license MA41052.
Does Dr. Ziad Hadaya accept Medicare?
Yes. CMS data shows Dr. Hadaya billed Medicare for 16 services in 2024, and Dr. Hadaya accepts Medicare assignment.
How many Medicare patients does Dr. Ziad Hadaya see?
CMS counts 28 Medicare patients who saw Dr. Hadaya in 2024, with an average age of 72.
What services does Dr. Ziad Hadaya bill to Medicare?
In 2024, Dr. Hadaya's most billed Medicare services were blood vessel study (93970).
What drugs does Dr. Ziad Hadaya prescribe most?
In 2024 Medicare Part D data, Dr. Hadaya's most prescribed drugs by claims were Lisinopril, Amlodipine Besylate and Clopidogrel.
Has Dr. Ziad Hadaya received payments from drug or device companies?
CMS Open Payments shows $167 in general payments to Dr. Hadaya from 2 companies from 2018 to 2019. The largest total came from Eli Lilly and Company.
How long has Dr. Ziad Hadaya been practicing?
Dr. Hadaya graduated from medical school in 1980, 46 years ago.
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