J Interv Card Electrophysiol
Anti-Arrhythmia AgentsAtrial FibrillationCatheter Ablation
Dr. Khader Hatem Herzallah, MD
NPI1265956957
- Part D claims, 2020
- 75
- Publications
- 16
- Industry payments
- $55,044
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 800 Washington St, Boston, MA 02111
- Practice phone
- Call (617) 636-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tufts Medical Center
Boston, Massachusetts
Find Dr. Herzallah's professional email, personal email and mobile number
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Dr. Khader Hatem Herzallah is an internist in Boston, Massachusetts
Dr. Herzallah practices at Tufts Medical Center in Boston, Massachusetts.
Dr. Herzallah's NPI, 1265956957, was assigned on August 3, 2017. Dr. Herzallah holds Michigan license 4301112880.
NPI and contact details
- NPI
- 1265956957NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2017
- NPI status
- Active
- Practice phone
- (617) 636-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Khader Hatem Herzallah practices at Tufts Medical Center in Boston, Massachusetts
Dr. Herzallah's primary practice is Tufts Medical Center, at 800 Washington St, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.
- Tufts Medical Center800 Washington St, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Khader Hatem Herzallah is affiliated with 1 site of care
Dr. Herzallah's primary practice is Tufts Medical Center in Boston, Massachusetts.
Tufts Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Khader Hatem Herzallah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herzallah practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tufts Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Khader Hatem Herzallah is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Herzallah's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Herzallah is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Herzallah
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. Khader Hatem Herzallah's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Herzallah's median patient age at 71, with 22% women.
Dr. Herzallah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women22%
- Men74%
Source: Dmand AI Patient Panel Data
Dr. Khader Hatem Herzallah wrote 75 Medicare Part D claims in 2020
In 2020, Dr. Herzallah wrote 75 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $737 in total drug cost. In 2019, CMS named 84 claims across 6 drugs.
Part D claims, 202075
Drugs named by CMS5
Total drug cost$737
Dr. Herzallah'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: 842020: 7511%
Drugs named by CMS: 5 in 2020, 6 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Khader Hatem Herzallah has 16 publications on record
Dmand AI links 16 papers to Dr. Herzallah, published from 2019 to 2022. 2020 was the busiest year, with 7. The most frequent topics are Atrial Fibrillation, Anticoagulants and Computed Tomography Angiography. Dr. Herzallah has published most often in BMJ Case Rep. Dr. Herzallah's most frequent co-authors are Yehia Saleh, MBCHB, George Samih Abela, MD and Abdulmohsin M. Ahmadjee, MD.
Papers16
Years published2019 to 2022
Dr. Herzallah's papers by year, 2019 to 2022
Topics Dr. Herzallah writes about most
- Atrial Fibrillation
- Anticoagulants
- Computed Tomography Angiography
- Echocardiography
- Factor Xa Inhibitors
- Heart Ventricles
- Hypertension
- Randomized Controlled Trials as Topic
Dr. Herzallah's most frequent co-authors
- Yehia Saleh, MBCHB14 shared papers
- George Samih Abela, MD5 shared papers
- Abdulmohsin M. Ahmadjee, MD2 shared papers
Recent publications by Dr. Herzallah
Cardiovasc Revasc Med
AnticoagulantsAtrial AppendageAtrial Fibrillation
Am J Cardiovasc Drugs
AnticoagulantsFactor Xa InhibitorsHeart Ventricles
Antihypertensive AgentsBlood PressureGlomerular Filtration Rate
See who Dr. Herzallah researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Herzallah works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Khader Hatem Herzallah received $55,044 in industry payments from 2017 to 2025
CMS Open Payments shows 242 general payments to Dr. Herzallah from 33 drug and device companies from 2017 to 2025. Grants make up the largest share, 53% of the total. Abbott Laboratories paid the most, $23,207.
General payments to Dr. Herzallah by program year, 2017 to 2025
General payments to Dr. Herzallah by kind, 2017 to 2025
$55Kin total
- Grants$29,16753%
- Travel and lodging$14,61727%
- Food and beverage$10,35319%
- Education$9072%
Companies that paid Dr. Herzallah the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Khader Hatem Herzallah'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 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) |
| 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. Khader Hatem Herzallah
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. Khader Hatem Herzallah's NPI number?
Dr. Khader Hatem Herzallah's NPI number is 1265956957. It was assigned on August 3, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Khader Hatem Herzallah?
Dr. Khader Hatem Herzallah is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Khader Hatem Herzallah practice?
Dr. Herzallah practices at 800 Washington St, Boston, MA 02111. Dr. Herzallah's primary practice is Tufts Medical Center in Boston, Massachusetts.
What is Dr. Khader Hatem Herzallah's office phone number?
The practice phone on file for Dr. Herzallah is (617) 636-5000.
What is Dr. Khader Hatem Herzallah's medical license number?
Dr. Herzallah holds Michigan license 4301112880.
What drugs does Dr. Khader Hatem Herzallah prescribe most?
In 2020 Medicare Part D data, Dr. Herzallah's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Lisinopril.
Has Dr. Khader Hatem Herzallah received payments from drug or device companies?
CMS Open Payments shows $55,044 in general payments to Dr. Herzallah from 33 companies from 2017 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Khader Hatem Herzallah been practicing?
Dr. Herzallah's NPI was assigned in 2017.
Does Dr. Khader Hatem Herzallah do research?
Dmand AI links 16 publications to Dr. Herzallah, published from 2019 to 2022.
Who does Dr. Khader Hatem Herzallah publish with?
Dr. Herzallah's most frequent co-authors are Yehia Saleh, MBCHB (14 shared papers), George Samih Abela, MD (5 shared papers) and Abdulmohsin M. Ahmadjee, MD (2 shared papers).
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