Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Negin Hajizadeh, MD, MPH

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1760479190

Dr. Negin Hajizadeh, MD, MPH is registered under Critical Care (Intensivists) in Greenport, New York. Qualified in 2002, 24 years ago. Practices with Mass General Brigham Medical Group Western Massachusetts Inc, a 293-clinician group and accepts Medicare assignment. Licensed in Connecticut, Massachusetts and New York.

Years since qualifying
24
Licensed in
CT, MA, NY
In the registry since
2005
Specialties on file
6
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

330 Bridge St
Greenport, NY 11944-1213
Phone: (401) 935-1027
Fax: (212) 562-1759
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 262641 (NY)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 045761 (CT)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 223022 (MA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 045761 (CT)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 223022 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 216903 (MA)

Record details

NPI number1760479190
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedSeptember 30, 2005
Last updated in NPPESDecember 22, 2023
Certification dateDecember 22, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Mass General Brigham Medical Group Western Massachusetts Inc — 293 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients16
Services billed 42 a service is one billed item, such as a visit, a test or a procedure
Average patient age78

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mass General Brigham Medical Group Western Massachusetts Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 293 clinicians in the practice; 12 are shown here.