Dr. Peter Nogueira Hadar, MD, MS
- Medicare services, 2024
- 113
- Medicare patients, 2024
- 109
- Part D claims, 2024
- 363
- Publications
- 25
- Hospital affiliations
- 3
- 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. Hadar'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. Peter Nogueira Hadar is an epilepsy physician in Boston, Massachusetts
Dr. Hadar practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Hadar's NPI, 1922597012, was assigned on May 4, 2018. Dr. Hadar graduated from Perelman School of Med at the University of Pennsylvania in 2018. Dr. Hadar holds Massachusetts license 291110.
- NPI
- 1922597012NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678996428
- NPI enumeration date
- May 4, 2018
- 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
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Nogueira Hadar practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Hadar'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. Peter Nogueira Hadar is affiliated with 4 sites of care and 3 medical groups
Dr. Hadar's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Hadar is also affiliated with Salem Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Hadar to 1 more hospital, 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. Peter Nogueira Hadar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hadar practices, 4 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 |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Nogueira Hadar is one of 8 epilepsy physicians in Massachusetts
Epilepsy is Dr. Hadar's primary specialty in the NPI Registry, under taxonomy code 2084E0001X. Dr. Hadar is licensed in Massachusetts.
Specialties and state licenses
- Epilepsy, MassachusettsPrimary
Epilepsy physicians near Dr. Hadar
Counts of epilepsy physicians 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. Peter Nogueira Hadar billed Medicare for 113 services in 2024
CMS data shows 113 Medicare services from Dr. Hadar across 4 procedure codes in 2024, for 109 Medicare patients. Medicare paid $11,248 for them.
Dr. Hadar's Medicare services by type, 2024
- Tests and treatments65
- Other services27
- Office and hospital visits21
Where Dr. Hadar's Medicare services took place, 2024
- In an office4842%
- In a facility6558%
Dr. Hadar'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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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Peter Nogueira Hadar treated 109 Medicare patients in 2024, average age 66
CMS counts 109 Medicare patients who saw Dr. Hadar in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 42% are also on Medicaid. Their average risk score is 1.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hadar's median patient age at 66, with 51% women.
Dr. Hadar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hadar's Medicare patients by sex, 2024
- Women5248%
- Men5752%
Chronic conditions among Dr. Hadar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Anxiety40%
- Arthritis38%
- Stroke or TIA38%
- Mood disorders37%
- Ischemic heart disease35%
- Atrial fibrillation34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hadar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Nogueira Hadar wrote 363 Medicare Part D claims in 2024
In 2024, Dr. Hadar wrote 363 Medicare Part D claims for 75 patients. 90% of them were for generic drugs. CMS names the drug for 268 of them, across 7 drugs with 11 or more claims each, at $64,404 in total drug cost. In 2023, CMS named 268 claims across 8 drugs.
Dr. Hadar's Part D claims by kind of drug, 2024
- Generic325 claims90%
- Brand-name and other38 claims10%
Dr. Hadar'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2682024: 268No change
Drugs named by CMS: 7 in 2024, 8 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. Peter Nogueira Hadar offers telehealth to Medicare patients
Dr. Hadar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hadar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Peter Nogueira Hadar has 25 publications on record
Dmand AI links 25 papers to Dr. Hadar, published from 2017 to 2025. 2024 was the busiest year, with 6. The most frequent topics are Magnetic Resonance Imaging, Epilepsy, Temporal Lobe and Brain. Dr. Hadar has published most often in Epilepsia. Dr. Hadar's most frequent co-authors are Joel M. Stein, MD, John Alan Detre, MD and Brian Litt, MD.
Dr. Hadar's papers by year, 2017 to 2025
Topics Dr. Hadar writes about most
- Magnetic Resonance Imaging
- Epilepsy, Temporal Lobe
- Brain
- Hippocampus
- Seizures
- Drug Resistant Epilepsy
- Electroencephalography
- Electrocorticography
Dr. Hadar's most frequent co-authors
Recent publications by Dr. Hadar
See who Dr. Hadar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hadar works with, so you can find a warm path to the right epilepsy physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter Nogueira Hadar received $413 in industry payments from 2023 to 2025
CMS Open Payments shows 3 general payments to Dr. Hadar from 1 drug or device company from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Neuropace, Inc. paid the most, $413.
General payments to Dr. Hadar by program year, 2023 to 2025
Companies that paid Dr. Hadar the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter Nogueira Hadar graduated from Perelman School of Med at the University of Pennsylvania
Dr. Hadar graduated from Perelman School of Med at the University of Pennsylvania in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Nogueira Hadar'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) |
| 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. Peter Nogueira Hadar
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. Peter Nogueira Hadar's NPI number?
Dr. Peter Nogueira Hadar's NPI number is 1922597012. It was assigned on May 4, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Nogueira Hadar?
Dr. Peter Nogueira Hadar is an epilepsy physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Epilepsy Physician (taxonomy code 2084E0001X).
Where does Dr. Peter Nogueira Hadar practice?
Dr. Hadar practices at 55 Fruit Street, Boston, MA 02114. Dr. Hadar's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Hadar to 1 hospital, 2 medical groups and 1 community health center.
What is Dr. Peter Nogueira Hadar's office phone number?
The practice phone on file for Dr. Hadar is (617) 726-2000.
What is Dr. Peter Nogueira Hadar's medical license number?
Dr. Hadar holds Massachusetts license 291110.
Which hospitals is Dr. Peter Nogueira Hadar affiliated with?
Dr. Hadar practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Hadar is also affiliated with Salem Hospital. Dmand AI links Dr. Hadar to 1 more hospital.
What medical group is Dr. Peter Nogueira Hadar part of?
Dr. Hadar is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Hadar to 2 more medical groups.
Does Dr. Peter Nogueira Hadar accept Medicare?
Yes. CMS data shows Dr. Hadar billed Medicare for 113 services in 2024, and Dr. Hadar accepts Medicare assignment.
Does Dr. Peter Nogueira Hadar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hadar as offering telehealth services.
How many Medicare patients does Dr. Peter Nogueira Hadar see?
CMS counts 109 Medicare patients who saw Dr. Hadar in 2024, with an average age of 66.
Show 7 more questionsShow fewer questions
What services does Dr. Peter Nogueira Hadar bill to Medicare?
In 2024, Dr. Hadar's most billed Medicare services were nerve and brain test (95813), nerve and brain test (95720) and medicare service (G2211).
Where did Dr. Peter Nogueira Hadar go to medical school?
Dr. Hadar graduated from Perelman School of Med at the University of Pennsylvania in 2018.
What drugs does Dr. Peter Nogueira Hadar prescribe most?
In 2024 Medicare Part D data, Dr. Hadar's most prescribed drugs by claims were Levetiracetam, Lacosamide and Lamotrigine.
Has Dr. Peter Nogueira Hadar received payments from drug or device companies?
CMS Open Payments shows $413 in general payments to Dr. Hadar from 1 company from 2023 to 2025. The largest total came from Neuropace, Inc.
How long has Dr. Peter Nogueira Hadar been practicing?
Dr. Hadar graduated from medical school in 2018, 8 years ago.
Does Dr. Peter Nogueira Hadar do research?
Dmand AI links 25 publications to Dr. Hadar, published from 2017 to 2025.
Who does Dr. Peter Nogueira Hadar publish with?
Dr. Hadar's most frequent co-authors are Joel M. Stein, MD (9 shared papers), John Alan Detre, MD (3 shared papers) and Brian Litt, MD (3 shared papers).
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