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DR. PETER NOGUEIRA HADAR MD, MS
NPI 1922597012
Psychiatry & Neurology - Epilepsy in Boston, MA

Active since May 04, 2018PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 12, 2025, Aug 21, 2024, May 18, 2024 and 4 more (7 updates tracked since 2018).

About Dr. Peter Nogueira Hadar Md, Ms NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PETER NOGUEIRA HADAR MD, MS (NPI 1922597012) is an individual epilepsy provider in Boston, Massachusetts, licensed in Massachusetts (291110) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1922597012
Entity TypeIndividualMale
Primary Taxonomy2084E0001X
Provider Legal NameDR. PETER NOGUEIRA HADARCredential: MD, MS
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address15 Parkman Street, Wacc 835Boston, MA 02114 · (617) 726-3311 · Fax (617) 726-9250
Phone(617) 726-3311
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2018
Enumeration DateMay 4, 2018
Last NPPES UpdateNovember 12, 20257 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
✔ NPI 1922597012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · EpilepsyAllopathic & Osteopathic Physicians
Taxonomy Code2084E0001X
License✔ Licensed in MA · 291110
Definition
Epilepsy is a subspecialty of neurology focused on the diagnosis and treatment of patients with epilepsy, including new-onset, medically refractory epilepsy, psychogenic nonepileptic seizures, and epilepsy in special populations (the elderly, women, patients with co-morbidities). Epilepsy is a multidisciplinary field that provides comprehensive care of the patient.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 291110 (MA)
55 FRUIT ST, Boston, MA 02114
Open in Google Maps ↗

Secondary Practice Locations 2

Location 175 Francis StBoston, MA 02115-6110 · Phone (617) 732-5500
Location 215 Parkman Street, WACC 835Boston, MA 02114 · Phone (617) 726-3311 · Fax (617) 726-9250

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Peter Nogueira Hadar Md, Ms is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678996428
PECOS Enrollment IDI20240812002849
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Measurement of brain wave activity (eeg), 61-119 minutes 95813
The procedure you're having is an EEG, which measures your brain's electrical activity. Electrodes placed on your scalp capture signals that are recorded for 61-119 minutes. This helps identify any irregularities, aiding in diagnosing conditions like epilepsy or sleep disorders.
34 services34 patients
Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 95720
This procedure monitors brain wave activity over 12-26 hours using Video EEG (VEEG). It involves recording brain waves and video to detect irregularities. A healthcare professional will review the data and provide a report. It's non-invasive and safe.
31 services14 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
21 services20 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter Hadar's NPI number?

The NPI number for Peter Hadar is 1922597012. It was assigned to this individual provider in the NPPES registry on May 4, 2018.

Where is Peter Hadar located?

Peter Hadar practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-3311.

What is Peter Hadar's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.

Is Peter Hadar enrolled in Medicare?

Yes. Peter Hadar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Peter Hadar accept?

Health plans from Anthem Blue Cross and Blue Shield list Peter Hadar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Peter Hadar affiliated with any hospitals?

According to CMS data, Peter Hadar is affiliated with North Shore Medical Center - and Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Peter Hadar was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.