Dr. Mark C. Eldaief, MD
- Medicare services, 2024
- 300
- Medicare patients, 2024
- 81
- Part D claims, 2024
- 463
- Publications
- 40
- Hospital affiliations
- 4
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Eldaief'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. Mark C. Eldaief is a neurologist in Boston, Massachusetts
Dr. Eldaief practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Eldaief's NPI, 1508971565, was assigned on August 20, 2006. Dr. Eldaief graduated from Columbia University College of Physicians and Surgeons in 1999. Dr. Eldaief holds Massachusetts license 229272.
- NPI
- 1508971565NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931104965
- NPI enumeration date
- August 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark C. Eldaief practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Eldaief's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Mark C. Eldaief is affiliated with 5 sites of care and 3 medical groups
Dr. Eldaief's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Eldaief is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Eldaief to 2 more hospitals, 2 medical groups and 1 community health center, 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. Mark C. Eldaief's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eldaief practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark C. Eldaief is one of 806 neurologists in Massachusetts
Neurology is Dr. Eldaief's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Eldaief is licensed in Massachusetts.
Specialties and state licenses
- Neurology, MassachusettsPrimary
Neurologists near Dr. Eldaief
Counts of neurologists 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. Mark C. Eldaief billed Medicare for 300 services in 2024
CMS data shows 300 Medicare services from Dr. Eldaief across 3 procedure codes in 2024, for 81 Medicare patients. Medicare paid $49,652 for them. Every service was in an office.
Dr. Eldaief's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2922024: 22324%
- Office and hospital visits
- 2023: 552024: 7740%
Dr. Eldaief compared with the Massachusetts median for neurologists, 2024
- Dr. Eldaief
- Massachusetts median
- Medicare services
- 300vs 314Close to median
- Medicare patients
- 81vs 17854% below
- Part D claims
- 387vs 27043% above
Medians across 741 neurologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Eldaief'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. Mark C. Eldaief treated 81 Medicare patients in 2024, average age 71
CMS counts 81 Medicare patients who saw Dr. Eldaief in 2024. The largest group is 75 to 84, with 34 patients. 67% of them have mood disorders, and 62% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Eldaief's median patient age at 69, with 45% women.
Dr. Eldaief's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Eldaief's Medicare patients by sex, 2024
- Women4556%
- Men3644%
Chronic conditions among Dr. Eldaief's Medicare patients, 2024
- Mood disorders67%
- High blood pressure62%
- High cholesterol62%
- Alzheimer's and dementia58%
- Depression57%
- Anxiety51%
- Arthritis36%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Eldaief's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark C. Eldaief wrote 463 Medicare Part D claims in 2024
In 2024, Dr. Eldaief wrote 463 Medicare Part D claims for 53 patients. 96% of them were for generic drugs. CMS names the drug for 387 of them, across 17 drugs with 11 or more claims each, at $17,903 in total drug cost. In 2023, CMS named 459 claims across 20 drugs.
Dr. Eldaief's Part D claims by kind of drug, 2024
- Generic443 claims96%
- Brand-name20 claims4%
Dr. Eldaief'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. Eldaief's Part D claims, 2024
- Antipsychotics, patients 65 and over8%35 of 463 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: 4592024: 38716%
Drugs named by CMS: 17 in 2024, 20 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. Mark C. Eldaief offers telehealth to Medicare patients
Dr. Eldaief accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Eldaief as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark C. Eldaief has 40 publications on record
Dmand AI links 40 papers to Dr. Eldaief, published from 2011 to 2025. 2023 was the busiest year, with 8. The most frequent topics are Magnetic Resonance Imaging, Brain and Brain Mapping. Dr. Eldaief has published most often in bioRxiv. Dr. Eldaief's most frequent co-authors are Randy L. Buckner, DO, Bradford Clark Dickerson, MD and Alvaro Pascual-Leone, MD, PhD.
Dr. Eldaief's papers by year, 2012 to 2025
Topics Dr. Eldaief writes about most
- Magnetic Resonance Imaging
- Brain
- Brain Mapping
- Cerebral Cortex
- Nerve Net
- Transcranial Magnetic Stimulation
- Atrophy
- Cerebellum
Dr. Eldaief's most frequent co-authors
- Randy L. Buckner, DO17 shared papers
- Bradford Clark Dickerson, MD13 shared papers
- Alvaro Pascual-Leone, MD, PhD8 shared papers
Recent publications by Dr. Eldaief
Psychiatry Clin Neurosci
Proc Natl Acad Sci U S A
See who Dr. Eldaief researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Eldaief works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark C. Eldaief received $46 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Eldaief from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Biogen, Inc. paid the most, $46.
Companies that paid Dr. Eldaief the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark C. Eldaief graduated from Columbia University College of Physicians and Surgeons
Dr. Eldaief graduated from Columbia University College of Physicians and Surgeons in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark C. Eldaief'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 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) |
| 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) |
| 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. Mark C. Eldaief
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. Mark C. Eldaief's NPI number?
Dr. Mark C. Eldaief's NPI number is 1508971565. It was assigned on August 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark C. Eldaief?
Dr. Mark C. Eldaief is a neurologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Mark C. Eldaief practice?
Dr. Eldaief practices at 55 Fruit Street, Boston, MA 02114. Dr. Eldaief's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Eldaief to 2 hospitals, 2 medical groups and 1 community health center.
What is Dr. Mark C. Eldaief's office phone number?
The practice phone on file for Dr. Eldaief is (617) 726-2000.
What is Dr. Mark C. Eldaief's medical license number?
Dr. Eldaief holds Massachusetts license 229272.
Which hospitals is Dr. Mark C. Eldaief affiliated with?
Dr. Eldaief practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Eldaief is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Eldaief to 2 more hospitals.
What medical group is Dr. Mark C. Eldaief part of?
Dr. Eldaief is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Eldaief to 2 more medical groups.
Does Dr. Mark C. Eldaief accept Medicare?
Yes. CMS data shows Dr. Eldaief billed Medicare for 300 services in 2024, and Dr. Eldaief accepts Medicare assignment.
Does Dr. Mark C. Eldaief offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Eldaief as offering telehealth services.
How many Medicare patients does Dr. Mark C. Eldaief see?
CMS counts 81 Medicare patients who saw Dr. Eldaief in 2024, with an average age of 71.
Show 7 more questionsShow fewer questions
What services does Dr. Mark C. Eldaief bill to Medicare?
In 2024, Dr. Eldaief's most billed Medicare services were psychiatric service (90868), office visit, established patient (99215) and office visit, new patient (99205).
Where did Dr. Mark C. Eldaief go to medical school?
Dr. Eldaief graduated from Columbia University College of Physicians and Surgeons in 1999.
What drugs does Dr. Mark C. Eldaief prescribe most?
In 2024 Medicare Part D data, Dr. Eldaief's most prescribed drugs by claims were Donepezil HCl, Clonazepam and Sertraline HCl.
Has Dr. Mark C. Eldaief received payments from drug or device companies?
CMS Open Payments shows $46 in general payments to Dr. Eldaief from 1 company from 2016 to 2016. The largest total came from Biogen, Inc.
How long has Dr. Mark C. Eldaief been practicing?
Dr. Eldaief graduated from medical school in 1999, 27 years ago.
Does Dr. Mark C. Eldaief do research?
Dmand AI links 40 publications to Dr. Eldaief, published from 2011 to 2025.
Who does Dr. Mark C. Eldaief publish with?
Dr. Eldaief's most frequent co-authors are Randy L. Buckner, DO (17 shared papers), Bradford Clark Dickerson, MD (13 shared papers) and Alvaro Pascual-Leone, MD, PhD (8 shared papers).
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