Nicholas Michael Hajj, M.D.
Family Medicine Physician · Barre, MA
Nicholas Michael Hajj, M.D. is a family medicine physician with a practice address in Barre, Massachusetts, and NPI 1992168421, issued on Apr 1, 2016. Check the license (Massachusetts 281067, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nicholas Michael Hajj
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 281067 MA
Self-reported in NPPES; status is on the state search - Practice location
- 151 Worcester RD, Barre, MA 01005
- Phone
- (978) 355-6321
- Enumerated
- Apr 1, 2016
- Record last updated
- Dec 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (978) 355-6329
- Medicare enrollment
- Enrolled (PECOS I20191017000570); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 151 Worcester RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Afua Agyakwa, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1396533220
- Sandra Augusto, M.D.Family Medicine Physician1417342080
- Peter Blake, PAPhysician Assistant1760029862
- Lindsay CallahanStudent in an Organized Health Care Education/Training Program1386348290
- Macario Corpuz, M.D.Family Medicine Physician1740286657
- Corey Costanzo, DO, MPH, MSFamily Medicine Physician1780144055
Verify Nicholas Michael Hajj in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 281067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average family medicine physician in 2024
4,096 Medicare Part D claims for 442 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 438 claims were for opioids.
Most prescribed
- Atorvastatin Calcium202 claims
- Lisinopril167 claims
- Gabapentin165 claims
- Oxycodone Hcl160 claims
- Amlodipine Besylate126 claims
- Levothyroxine Sodium113 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Umass Memorial Medical Group IncBarre, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
15 family medicine physician records list a practice address in Barre
They are 15 of the 86 NPPES records with a practice address in Barre, and 2,265 family medicine physician records in Massachusetts.
All 15 in Barre → All 2,265 in Massachusetts → Every provider in Barre →
Other family medicine physician records in Massachusetts
- Salah Abass, M.D.Methuen, MA1417959776
- Majed Abbas, MDLowell, MA1346827870
- Sheila Abdallah, MDWorcester, MA1821356312
- Omar Abduljabar, M.D.Springfield, MA1770978843
- Jonathan Abel, DOSpringfield, MA1700897196
- Mohamed Abib, MDSturbridge, MA1639281090
- Kevin Abraham, M.D.Worcester, MA1689037673
- Janet Abrahamian, M.D.West Boylston, MA1932156627
- John Abramson, M.D.Ipswich, MA1275613903
- John Paul Abroguena, MDPlainville, MA1235361080
Common questions
What is Nicholas Michael Hajj, M.D.'s NPI number?
Nicholas Michael Hajj, M.D.'s National Provider Identifier (NPI) is 1992168421, issued on Apr 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Michael Hajj, M.D. located?
The NPPES record lists a practice address at 151 Worcester RD, Barre, MA, 01005. Phone: (978) 355-6321. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Michael Hajj, M.D.'s license?
NPPES lists Massachusetts license number 281067, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas Michael Hajj, M.D. prescribe under Medicare Part D?
In 2024, Nicholas Michael Hajj, M.D. had 4,096 Medicare Part D claims for 442 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.