Hillary Hajjar, NP
- Part D claims, 2024
- 62
- Industry payments
- $24
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 200 Boylston St, Chestnut Hill, MA 02467
- Practice phone
- Call (617) 731-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New England OB/GYN Associates,Inc
Chestnut Hill, Massachusetts
Find Hillary Hajjar'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.
Hillary Hajjar is a women's health nurse practitioner in Chestnut Hill, Massachusetts
Hillary Hajjar practices at New England OB/GYN Associates,Inc in Chestnut Hill, Massachusetts.
Hillary Hajjar's NPI, 1700430030, was assigned on July 25, 2019. Hillary Hajjar holds Massachusetts license 2295155.
- NPI
- 1700430030NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486013281
- NPI enumeration date
- July 25, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 731-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Hillary Hajjar practices at New England OB/GYN Associates,Inc in Chestnut Hill, Massachusetts
Hillary Hajjar's primary practice is New England OB/GYN Associates,Inc, at 200 Boylston St, Chestnut Hill, MA 02467 in Middlesex County. The practice phone is (617) 731-3400.
- New England OB/GYN Associates,Inc200 Boylston St, Chestnut Hill, MA 02467 · Middlesex CountyPhone(617) 731-3400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Hillary Hajjar is affiliated with 2 sites of care and 1 medical group
Hillary Hajjar's primary practice is New England OB/GYN Associates,Inc in Chestnut Hill, Massachusetts. The medical group on file is New England OB-GYN Associates. Dmand AI also links Hillary Hajjar to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Hillary Hajjar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hillary Hajjar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New England OB/GYN Associates,Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Hillary Hajjar is one of 203 women's health nurse practitioners in Massachusetts
Women's health is Hillary Hajjar's primary specialty in the NPI Registry, under taxonomy code 363LW0102X. Hillary Hajjar is licensed in Massachusetts.
Specialties and state licenses
- Women's health nurse practitioner, MassachusettsPrimary
Women's health nurse practitioners near Hillary Hajjar
Counts of women's health nurse practitioners 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
Hillary Hajjar's patients have a median age of 34
Across all payers, Dmand AI patient panel data puts Hillary Hajjar's median patient age at 34, with 98% women.
Hillary Hajjar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women98%
- Men2%
Source: Dmand AI Patient Panel Data
Hillary Hajjar wrote 62 Medicare Part D claims in 2024
In 2024, Hillary Hajjar wrote 62 Medicare Part D claims for 50 patients. 71% of them were for generic drugs.
Hillary Hajjar's Part D claims by kind of drug, 2024
- Generic44 claims71%
- Brand-name18 claims29%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Hillary Hajjar takes part in Medicare
Hillary Hajjar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Hillary Hajjar received $24 in industry payments in 2025
CMS Open Payments shows 1 general payment to Hillary Hajjar from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperSurgical, Inc. paid the most, $24.
Companies that paid Hillary Hajjar the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Hillary Hajjar'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 DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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 Hillary Hajjar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hillary Hajjar's NPI number?
Hillary Hajjar's NPI number is 1700430030. It was assigned on July 25, 2019, and it is active in the NPI Registry.
What does Hillary Hajjar specialize in?
Hillary Hajjar is a women's health nurse practitioner in Chestnut Hill, Massachusetts. The primary specialty in the NPI Registry is Women's Health Nurse Practitioner (taxonomy code 363LW0102X).
Where does Hillary Hajjar practice?
Hillary Hajjar practices at 200 Boylston St, Chestnut Hill, MA 02467. Hillary Hajjar's primary practice is New England OB/GYN Associates,Inc in Chestnut Hill, Massachusetts. Dmand AI also links Hillary Hajjar to 1 group practice or clinic.
What is Hillary Hajjar's office phone number?
The practice phone on file for Hillary Hajjar is (617) 731-3400.
What is Hillary Hajjar's medical license number?
Hillary Hajjar holds Massachusetts license 2295155.
What medical group is Hillary Hajjar part of?
Hillary Hajjar is linked to New England OB-GYN Associates.
Does Hillary Hajjar accept Medicare?
Yes. CMS lists Hillary Hajjar as accepting Medicare assignment.
Has Hillary Hajjar received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Hillary Hajjar from 1 company from 2025 to 2025. The largest total came from CooperSurgical, Inc.
How long has Hillary Hajjar been practicing?
Hillary Hajjar graduated from medical school in 2019, 7 years ago.
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